1. Kit for protecting keratin materials against UV radiation in the range above 280 nm encompassing UVA and UVB rays, comprising at least two different, separately packaged, compositions, the kit comprising:
at least one compound (X),
at least one compound (Y),
optionally at least one catalyst or at least one peroxide, and
at least one hydrophobic screening system comprising:
(i) at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and at least one hydrophobic organic sunscreen agent (B) capable of absorbing the UV radiation of 280 to 320 nm, and optionally an inorganic sunscreen agent (D), the total amount of the sunscreen agents (A) and (B) and optional inorganic sunscreen agent (D) ranging between 0.01 and 10% by weight relative to the total weight of all the composition in the kit;
(ii) at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, and optionally an inorganic sunscreen agent (D) the total amount of the sunscreen agent (C) and optional inorganic agent (D) ranging between 0.01 and 5% by weight relative to the total weight of all the composition in the kit; or
(iii) at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and either at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, or at least one inorganic sunscreen agent (D), the total amount of the sunscreen agent (A) and either sunscreen agent (C) or inorganic sunscreen agent (D) ranging between 0.01 and 10% by weight relative to the total weight of all the composition in the kit;
wherein at least one of the compounds (X) and (Y) being a silicone compound and with the proviso that the compounds (X), (Y) and optionally the catalyst or the peroxide are not present simultaneously in the same composition, the compounds (X) and (Y) being capable of reacting together by a hydrosilylation reaction in the presence of the catalyst when they are contacted with one another,
wherein the sunscreen agents (A) are selected from the group consisting of dibenzoylmethane derivatives, aminobenzophenones, and anthranilic derivatives, 4,4-diarylbutadiene derivatives;
the sunscreen agents (B) are selected from the group consisting of para -aminobenzoates, salicylic derivatives, cinnamates,\u03b2\u03b2\u2032-diphenylacrylate derivatives, benzylidene camphor derivatives, triazine derivatives, imidazoline derivatives, benzalmalonate derivatives, and merocyanine derivatives; and
the sunscreen agents (C) are selected from the group consisting of benzophenone derivatives, phenylbenzotriazole derivatives, bis-resorcinyl triazine derivatives, and benzoxazole derivatives,
wherein the inorganic sunscreen agents are selected from the group consisting of coated or uncoated metal oxide pigments,
wherein the total amount of sunscreen agents in the hydrophobic screening system is less than or equal to 15% by weight,
wherein the compounds (X) and (Y) are capable of reacting hydrosilylation, and in which the compound (X) is a silicone compound comprising at least two unsaturated aliphatic groups, and
wherein the compound (Y) is an organosiloxane comprising at least two free Si-H groups.
2. Kit according to claim 1, wherein:
the sunscreen agents (A) are selected from the group consisting of butyl methoxydibenzoylmethane and n-hexyl 2-(4-diethylamino-2-hydroxybenzoyl)benzoate;
the sunscreen agents (B) are selected from the group consisting ethylhexyl salicylate, octocrylene, ethylhexyl triazone and ethylhexyl methoxycinnamate;
the sunscreen agents (C) are selected from the group consisting of drometrizole trisiloxane and bisethylhexyloxyphenol methoxyphenyl triazine; and
the sunscreen agents (D) are selected from the group consisting titanium oxides that are amorphous or crystalline in rutile form anatase form, and mixtures thereof.
3. Kit according to claim 1, wherein the molar (X)(Y) ratio is from 0.05 to 20.
4. Kit according to claim 1, comprising at least two different, packaged compositions, the kit comprising at least:
a first composition comprising, in a physiologically acceptable medium, at least one compound (X), and
a second composition comprising, in a physiologically acceptable medium, at least one compound (Y),
the optional catalyst or the optional peroxide being present in one or other of the first and second compositions or present optionally in a third composition, and the sunscreen agents (A), (B), (C) andor (D) being present in one or other of the first and second compositions, or present optionally in the third composition.
5. Kit according to claim 1, wherein the compound (X) is a polyorganosiloxane comprising a siloxane unit of the formula:
R
m
\u2062
R
\u2032
\u2062
SiO
(
3
–
m
2
)
(
I
)
in which:
R represents a monovalent, linear or cyclic, hydrocarbon group containing 1 to 30 carbon atoms,
m is 1 or 2 and
R\u2032 represents:
an unsaturated aliphatic hydrocarbon group containing 2 to 10, or
an unsaturated cyclic hydrocarbon group containing 5 to 8 carbon atoms.
6. Kit according to claim 5, wherein R\u2032 represents a vinyl group or a group \u2014R\u2033\u2014CH\u2550CHR\u2032\u2033 in which R\u2033 is a divalent aliphatic hydrocarbon chain containing 1 to 8 carbon atoms, which is bonded to the silicon atom, and R\u2032\u2033 is a hydrogen atom or an alkyl radical containing 1 to 4 carbon atoms.
7. Kit according to claim 5, wherein R represents an alkyl radical containing 1 to 10 carbon atoms or else a phenyl group and R\u2032 is a vinyl group.
8. Kit according to claim 1, wherein the compound (Y) is an organosiloxane comprising at least one alkylhydrosiloxane unit of formula below:
R
p
\u2062
HSiO
(
3
–
p
2
)
(
III
)
in which:
R represents a monovalent, linear or cyclic hydrocarbon group, containing 1 to 30 carbon atoms or a phenyl group, and p is 1 or 2.
9. Kit according to claim 8, wherein the radicals R represent a C1-C10 alkyl group.
10. Kit according to claim 1, wherein the organosiloxane (Y) comprise at least two alkylhydrosiloxane units of formula \u2014(H3C)(H)Si\u2014O\u2014 and optionally comprise \u2014(H3C)2SiO\u2014 units.
11. Kit according to claim 1, wherein it comprises an active.
12. Kit according to claim 11, wherein said active is a wound-healing promoter active.
13. Kit according to claim 11, wherein the active is madecassoside.
14. Method of protecting keratin materials against UV radiation in the range above 280 nm encompassing UVA and UVB regions, comprising the application to said materials of:
a) at least one compound (X),
b) at least one compound (Y), and
c) at least one hydrophobic screening system comprising:
at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and at least one hydrophobic organic sunscreen agent (B) capable of absorbing the UV radiation of 280 to 320 nm, and optionally at least one inorganic sunscreen agent (D);
(ii) at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, and optionally an inorganic sunscreen agent (D); or
(iii) at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and either at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, or at least one inorganic sunscreen agent (D);
wherein at least one of the compounds (X) and (Y) being a silicone compound, the compounds (X) and (Y) being capable of reacting together, the reaction being a hydrosilylation reaction in the presence of at least one catalyst, with the proviso that the applications a), b) and c) take place either (i) simultaneously by extemporaneous mixing beforehand, or (ii) by mixing at the time of their application, simultaneously or sequentially in any order, subject to the proviso that the conditions of the mixing are beneficial to the reaction between said compounds (X) and (Y).
15. Method according to claim 14, wherein the total amount of sunscreen agents (A), (B), (C) and (D) is less than or equal to 15% by weight, relative to the total weight of all of the compositions in said kit.
16. Cosmetic composition for protecting keratin materials against UV radiation in the range above 280 nm encompassing UVA and UVB rays, comprising in a physiologically acceptable medium:
at least one compound (X),
at least one compound (Y),
at least one catalyst, and
at least one hydrophobic screening system comprising:
(i) at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and at least one hydrophobic organic sunscreen agent (B) capable of absorbing the UV radiation of 280 to 320 nm, and optionally at least one inorganic sunscreen agent (D);
(ii) at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, and optionally an inorganic sunscreen agent (D); or
(iii) at least one hydrophobic organic sunscreen agent (A) capable of absorbing the UV radiation of 320 to 400 nm and either at least one hydrophobic organic sunscreen agent (C) capable of absorbing simultaneously the UV radiation of 280 to 320 nm and 320 to 400 nm, or at least one inorganic sunscreen agent (D);
wherein at least one of the compounds, (X) or (Y), being a polyorganosiloxane, and the compounds (X) and (Y) being capable of reacting together by a hydrosilylation reaction in the presence of the catalyst, with at least one compound among compounds (X) and (Y) being present in the composition in an encapsulated form, the catalyst being combined with at least one of the compounds (X) or (Y), in encapsulated form,
wherein the sunscreen agents (A) are selected from the group consisting of dibenzoylmethane derivatives, aminobenzophenones, anthranilic derivatives, 4,4-diarylbutadiene derivatives;
the sunscreen agents (B) are selected from the group consisting of para -aminobenzoates, salicylic derivatives, cinnamates,\u03b2\u03b2\u2032-diphenylacrylate derivatives, benzylidene camphor derivatives, triazine derivatives, imidazoline derivatives, benzalmalonate derivatives, and merocyanine derivatives; and
the sunscreen agents (C) are selected from the group consisting of benzophenone derivatives, phenylbenzotriazole derivatives, bis-resorcinyl triazine derivatives, and benzoxazole derivatives,
wherein the inorganic sunscreen agents are selected from the group consisting of coated or uncoated metal oxide pigments
wherein the compounds (X) and (Y) are capable of reacting hydrosilylation, and in which the compound (X) is a silicone compound comprising at least two unsaturated aliphatic groups, and
wherein the compound (Y) is an organosiloxane comprising at least two free Si\u2014H groups.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-41. (canceled)
42. An excavation system comprising: a body; and an excavation device for being moved by a vehicle to excavate material from the ground; and a steering system for altering the steering of the excavation device.
43. An excavation system as claimed in claim 42 wherein the body is provided in the form of a keel-type structure.
44. An excavation system as claimed in claim 42 wherein the excavation device is inclined to extend towards the vehicle in the direction extending into the ground when the excavation device is being moved by the vehicle to excavate material.
45. An excavation system as claimed in claim 42 wherein the inclination of the excavation device is backwardly sloping to allow a bottom support bearing housing to clear the base of a trench.
46. An excavation system as claimed in claim 42 wherein the excavation device comprises an auger.
47. An excavation system as claimed in claim 42 wherein the body is provided in the form of a keel-type structure and the keel-type structure shields the conduit, while being laid, from excavated earth.
48. An excavation system as claimed in claim 47 wherein the keel-type structure includes a number of projections that extend along the keel-type structure to restrain soil from falling into the bottom of the trench.
49. An excavation system as claimed in claim 42 having an auto pilot system to extend the cutting device and sweep left and right.
50. An excavation system as claimed in claim 42 wherein the steering system includes a mount having a directional joint for allowing the excavation device to be directed left or right when being moved by the vehicle.
51. An excavation system as claimed in claim 50 including at least one hydraulic piston arranged either side of the directional joint for steering the excavation device.
52. An excavation system as claimed in claim 42 wherein the steering system is used to counteract a rotation effect of the excavation device.
53. An excavation system as claimed in claim 42 wherein the steering system allows for a swing action to be engaged in an automatic continuous swing mode.
54. An excavation system as claimed in claim 42 wherein the steering system includes a deflector for varying the force applied by the ground to the excavation system to control the degree to which the excavation device turns.
55. An excavation system as claimed in claim 42 wherein the steering system comprises two moveable surfaces arranged either side of the body for using friction to control the degree to which the excavation device turns.
56. An excavation system as claimed in claim 42 including a locking system for selectively assisting with preventing the excavation device from moving backwards.
57. An excavation system as claimed in claim 56 wherein the locking system comprises a wedge arrangement fir bearing against the side walls of a trench formed by the excavation system.
58. An excavation system as claimed in claim 57 wherein the wedge arrangement comprises at least one movable abutment the or each for bearing against a corresponding side wall of a trench formed by the excavation system.
59. An excavation system as claimed in claim 42 wherein the body is provided for connection to the vehicle; the excavation device being connected to the body so as to be disposed forwardly of the vehicle when being moved by the vehicle to excavate material.
60. An excavation system as claimed in claim 42 including a length laying guide arrangement, the length laying guide arrangement being disposed between the excavation device and the vehicle, when the excavation device is being moved by the vehicle to excavate material, the length laying guide arrangement including an inlet guide arrangement and an outlet guide arrangement, the inlet guide arrangement being adapted to receive a feed of conduit or cable from above in a position between the excavation device and the vehicle; and the outlet guide arrangement being adapted to provide the conduit or cable in a substantially horizontally extending position.
61. An excavation system as claimed in claim 60 wherein the excavation device is inclined by between 20 to 30 degrees away from vertical.
62. An excavation system having an inwardly projecting excavation device and a length laying guide arrangement, the excavation device being disposed forwardly of a length laying guide arrangement to allow the excavation device to be driven forwardly and for conduit or cable to be laid therebehind.
63. An excavation system as claimed in claim 62 wherein excavation device is spaced at least one meter away from the mount arrangement.
64. An excavation system as claimed in claim 62 wherein the length laying guide arrangement includes a guide adapted to flex the conduit by about 45 degrees or less.
65. A method for laying lengths in a trench comprising: positioning an excavation device in front of length laying guide and a vehicle; driving the excavation device in a forward direction using the vehicle and laying lengths using the length laying guide, the length laying guide being disposed between the excavation device and the vehicle.
66. A method as claimed in claim 65 including automatically moving the excavation device left and right to counteract a rotation effect of the excavation device