1. A transdermal therapeutic system comprising a backing layer, a polymer layer in contact with the backing layer and comprising silicone adhesives, and a detachable protective layer in contact with the polymer layer, wherein the contact face of the backing layer has been provided with an adhesive layer which is obtained by siliconization, and said adhesive layer is firmly anchored to the backing layer and comprises organopolysiloxanes containing vinyl groups and organopolysiloxanes containing Si\u2014H groups.
2. (canceled)
3. The transdermal therapeutic system as claimed in claim 1, wherein the backing layer is a polymeric film material selected from the group consisting of polyesters, polypropylene, polyethylene, polyurethane, EVA layers in combination with polyester, polyvinylidene chloride, polyaramids, and ethylene-(meth)acrylate copolymer.
4. The transdermal therapeutic system as claimed in claim 1, wherein the backing layer comprises a material selected from the group consisting of ethylcellulose, cellulose acetate, cellophane, paper, metal-polymer composite, and ethylene-vinyl acetate copolymers.
5. The transdermal therapeutic system as claimed in claim 1, wherein the polymer layer comprises a silicone adhesive based on silicone polymers and resin.
6. The transdermal therapeutic system as claimed in claim 1, wherein the silicone adhesives are selected from the group consisting of polysiloxanes and polysiloxane mixtures.
7. The transdermal therapeutic system as claimed in claim 1, wherein the polymer layer comprises microreservoirs for active pharmaceutical ingredients which are in solution in an ambiphilic solvent.
8. The transdermal therapeutic system as claimed in claim 1, wherein the ambiphilic solvent is selected from the group consisting of 1,3-butanediol, diethylene glycol monoethyl ether, diethylene glycol dimethyl ether, dipropylene glycol, propylene glycol, tetrahydrofurfuryl alcohol, diethylene glycol monobutyl ether, carboxylic esters of tri- and diethylene glycol, polyoxyethylated fatty alcohols of 6-18 carbon atoms, and mixtures thereof.
9. A method of producing a backing layer used in a transdermal therapeutic system as claimed in claim 1, which comprises siliconizing the surface of the backing layer that is to be contacted with a polymer layer which has been provided with microreservoirs by mixing organopolysiloxanes containing vinyl groups and organopolysiloxanes containing functional Si\u2014H groups to form a mixture and coating the surface of the backing layer with the mixture in the presence of a catalyst.
10. (canceled)
11. The method as claimed in claim 9, wherein the coated surface of the backing layer is heat-treated until an organopolysiloxane layer forms that is firmly anchored on the backing layer.
12. A siliconized backing layer comprising an organopolysiloxane layer, said organopolysiloxane layer comprising organopolysiloxanes containing vinyl groups and organopolysiloxanes containing Si\u2014H groups.
13. A backing layer as claimed in claim 12, wherein said organopolysiloxane layer is firmly anchored to said backing layer by siliconization.
14. A backing layer as claimed in claim 13, further comprising a polymer layer which comprises microreservoirs and at least one active ingredient dissolved therein and also at least one silicone adhesive, said polymer layer being self-adhesively connected to the organopolysiloxane layer.
15. A transdermal therapeutic system as claimed in claim 3, wherein the polymeric film material is polyethylene terephthalate.
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. A wiper blade (10) for an automobile windshield (14), with an elongated belt-shaped, flexible resilient support element (12) having a longitudinal axis, on a lower belt surface (22) of which that faces the windshield is located an elastic rubber wiper strip (24) sitting against the windshield that extends parallel to the longitudinal axis, and on an upper belt surface (16) of which a wind deflection strip (42 or 112) is located that has an incident surface (54 or 140) facing a main flow direction of a driving wind (arrow 52), said deflection strip extending in the longitudinal direction of the support element, characterized in that the wind deflection strip has two sides (48, 50 or 136, 138) that diverge from a common base point (46 or 134) as seen in a cross section, wherein connected between the two sides of the wind deflection strip there is at least one support means located at a distance from their common base point that stabilizes the sides, and that the incident surface (54 or 140) is located at the exterior of one side (50 or 138), wherein the support element has outer edges, wherein the sides of the wind deflection strip have respective free ends having thereon respective claw-shaped extensions that fittingly grip around the outer edges of the support element at least in sections and engage at least one of the upper belt surface (24) and the lower belt surface (22), so that the wind deflection strip can be snapped onto the outer edges or slid onto the outer edges in a longitudinal direction, wherein the wind deflection strip has a height extending from the base point to ends of the sides farthest from the base point, and wherein a substantial majority of the height is above the upper belt surface in a direction facing away from the windshield.
2. A wiper blade according to claim 1, characterized in that the support means is made up of a wall connected to both sides that extends in the longitudinal direction of the wind deflection strip.
3. A wiper blade according to claim 1, characterized in that the support element includes two flexible rails each of which sits in a longitudinal notch associated with it, respectively, said longitudinal notches being open toward the opposite lateral sides of the wiper strip, that the outer strip edges of each of said flexible rails extend out of these notches, and that the support means are positioned at a distance from the support element.
4. A wiper blade according to claim 1, characterized in that the support means is made up of a wall connected to both sides that extends in the longitudinal direction of the wind deflection strip.
5. A wiper blade according to claim 1, characterized in that the wind deflection strip is designed as a binary component whose longitudinal area provided with the claw-shaped extensions is made of a harder material than a longitudinal area lying closer to the base point.
6. A wiper blade according to claim 5, characterized in that a transition from the harder longitudinal area to the softer longitudinal area occurs near the wall.
7. A wiper blade according to claim 1, characterized in that the wind deflection strip has a longitudinal center section, and in that a recess is located in the center section of the wind defection strip at which to place a device to connect a drive wiper arm.
8. A wiper blade according to claim 1, characterized in that the wind deflection strip is made of a flexible plastic.
9. A wiper blade according to claim 1, wherein the wiper blade has a length in the direction of the longitudinal axis and the wind deflection strip extends along at least about half of the length of the wiper blade.
10. A wiper blade according to claim 1, wherein the claw-shaped extensions fittingly engage the upper belt surface (24) and the lower belt surface (22).
11. A wiper blade (10) for an automobile windshield (14), with an elongated belt-shaped, flexible resilient support element (12) having a longitudinal axis, on a lower belt surface (22) of which that faces the windshield is located an elastic rubber wiper strip (24) sitting against the windshield that extends parallel to the longitudinal axis, and on an upper belt surface (16) of which a wind deflection strip (42 or 112) is located that has an incident surface (54 or 140) facing a main flow direction of a driving wind (arrow 52), said deflection strip extending in the longitudinal direction of the support element, characterized in that the wind deflection strip has two sides (48, 50 or 136, 138) that diverge from a common base point (46 or 134) as seen in a cross section, wherein connected between the two sides of the wind deflection strip there is at least one support means located at a distance from their common base point that stabilizes the sides, and that the incident surface (54 or 140) is located at the exterior of one side (50 or 138), wherein the support element has outer edges, wherein the sides of the wind deflection strip have respective free ends having thereon respective claw-shaped extensions that fittingly grip around the outer edges of the support element at least in sections and engage at least one of the upper belt surface (24) and the lower belt surface (22), so that the wind deflection strip can be snapped onto the outer edges or slid onto the outer edges in a longitudinal direction, and wherein each of the claw-shaped extensions includes a wall extending beneath and parallel to the lower belt surface of the support element, each wall defining a point of the respective side farthest from the base point.
12. A wiper blade according to claim 11, characterized in that the support means is made up of a wall connected to both sides that extends in the longitudinal direction of the wind deflection strip.
13. A wiper blade according to claim 11, characterized in that the support element includes two flexible rails each of which sits in a longitudinal notch associated with it, respectively, said longitudinal notches being open toward the opposite lateral sides of the wiper strip, that the outer strip edges of each of said flexible rails extend out of these notches, and that the support means are positioned at a distance from the support element.
14. A wiper blade according to claim 11, characterized in that the wind deflection strip is designed as a binary component whose longitudinal area provided with the claw-shaped extensions is made of a harder material than a longitudinal area lying closer to the base point.
15. A wiper blade according to claim 14, characterized in that a transition from the harder longitudinal area to the softer longitudinal area occurs near the wall.
16. A wiper blade according to claim 11, characterized in that the support means is made up of a wall connected to both sides that extends in the longitudinal direction of the wind deflection strip.
17. A wiper blade according to claim 11, characterized in that the wind deflection strip has a longitudinal center section, and in that a recess is located in the center section of the wind defection strip at which to place the device to connect a drive wiper arm.
18. A wiper blade according to claim 11, characterized in that the wind deflection strip is made of a flexible plastic.
19. A wiper blade according to claim 11, wherein the wiper blade has a length in the direction of the longitudinal axis and the wind deflection strip extends along at least about half of the length of the wiper blade.
20. A wiper blade according to claim 11, wherein the claw-shaped extensions fittingly engage the upper belt surface (24) and the lower belt surface (22).