1. A dispenser comprising
a) a body comprising a top, a bottom, an outer surface and an inner surface which defines an annular space;
b) an end cap comprising a continuous lateral side with an outer surface and an inner surface, an end cap top having an end cap opening and an end cap bottom with an outer surface and an inner surface, the end cap having a cavity defined by the inner surface of the continuous lateral side and the inner surface of the end cap bottom wherein the end cap top is adjacent to the bottom of the body and the end cap is capable of rotation;
c) a nozzle section comprising
i) a nozzle section body with a nozzle section body bottom, nozzle section body top, a nozzle section body outer surface and a nozzle section body inner surface wherein the nozzle section body is adjacent to the top of the body;
ii) a nozzle element having a base section with a base section inner surface, a nozzle mid section with a mid section inner surface and a tip with a tip opening and a tip inner surface wherein the base section inner surface, mid section inner surface and tip inner surface define a nozzle annular space; and
iii) a sheath having a bottom plate, a middle wall and a top wall wherein the top wall is adjacent to the nozzle section body top and protrudes inwards from the nozzle section body top adjacent to the middle wall, the middle wall is opposed to the nozzle section body inner surface and terminates at the bottom plate which protrudes from the nozzle section body inner surface at some point between the nozzle section body bottom and the nozzle section body top;
d) a brush applicator comprising a brush applicator base and a brush applicator top wherein
i) the brush applicator base has an outer surface and an inner surface which defines a sleeve;
ii) the brush applicator base further has an opening defined by the brush applicator inner surface;
iii) the brush applicator top has a brush applicator top surface having one or more brush protrusions and a pinhole; and
iv) the brush applicator is capable of being secured to or releasably secured to the dispenser such that the pinhole is engaged with the tip of the nozzle element at the tip opening;
e) a cover comprising a cover outer surface, a cover inner surface and a cover top with an inner surface and an outer surface wherein
i) the cover inner surface and inner surface of the cover top define a cavity;
ii) the cover further comprises a cover opening at the end of the cover opposite the cover top;
iii) the inner surface of the cover top comprises a cover protrusion emanating from the cover inner surface into the cavity wherein the cover is capable of being releasably secured over the brush applicator with the cover protrusion engaged with the pinhole, tip opening or combinations thereof; and
f) a means for moving material from the annular space to the brush applicator.
2. The dispenser of claim 1 wherein the means for moving material comprises
a) a driving rod comprising a top, a bottom, an inner surface and an outer surface wherein the bottom is inserted into the cavity of the end cap and secured to the end cap;
b) a piston rod comprising screw threads and an engaging block wherein the screw threads are mounted to the inner surface of the driving rod;
c) a ratchet wheel and a securing seat having mutually engaging teeth;
d) a piston located in the annular space which interfaces with the engaging block; and
e) a compression spring.
3. The dispenser of claim 2 wherein the inner surface of the body comprises a continuous shelf and the compression spring is mounted to the outer surface of the driving rod between the ratchet wheel and the continuous shelf.
4. The dispenser of claim 2 wherein driving rod is secured to the end cap by polygonal surfaces on the inner surface of the end cap.
5. The dispenser of claim 2 wherein the inner surface of the driving rod has screw threads.
6. The dispenser of claim 2 wherein the piston rod has a continuous outer protrusion and a center protrusion for engaging the piston.
7. The dispenser of claim 2 wherein the securing seat is mounted to the body within the annular space by a securing engagement edge on the inner surface of the body.
8. The dispenser of claim 2 wherein the piston is silicone.
9. The dispenser of claim 1 wherein the body, the end cap and the cover are substantially in the shape of a cylinder.
10. The dispenser of claim 1 wherein the outer surface of the end cap has a continuous protrusion at about the end cap top.
11. The dispenser of claim 1 wherein the end cap is made of clear or opaque plastic material.
12. The dispenser of claim 1 wherein the body is made of clear or opaque plastic material.
13. The dispenser of claim 1 wherein the nozzle section body bottom comprises one or more protrusions.
14. The dispenser of claim 1 wherein the base section of the nozzle element has a base section outer wall with a plurality of protrusions.
15. The dispenser of claim 1 wherein the brush applicator top is angled.
16. The dispenser of claim 1 wherein the brush applicator is silicone.
17. The dispenser of claim 1 wherein the cover top comprises one or more holes.
18. The dispenser of claim 1 wherein the annular space contains a material.
19. The dispenser of claim 18 wherein the material is selected from the group consisting of tooth gel, tooth paste, mouthwash, tooth whitener, mouth rinse and combinations thereof.
20. The dispenser of claim 18 wherein the material is selected from the group consisting of a cosmetic, a hair treatment composition, a skin treatment composition and combinations thereof.
21. The dispenser of claim 1 which is a portable toothbrush.
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 process for preparing a polydiene, the process comprising the step of:
polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, and where said step of polymerizing employs a lanthanide-based catalyst system that includes the combination of or reaction product of ingredients including (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a bromine-containing compound selected from the group consisting of elemental bromine, bromine-containing mixed halogens, and organic bromides, to thereby produce a polydiene having a cis-1,4 linkage content in excess of 99%.
2. The process of claim 1, where the dihydrocarbyl ether is defined by the formula R\u2014O\u2014R, where each R is independently a hydrocarbyl group or substituted hydrocarbyl group selected from the group consisting of alkyl, cycloalkyl, substituted cycloalkyl, alkenyl, and cycloalkenyl groups.
3. The process of claim 2, where the dihydrocarbyl ether is selected from the group consisting of dimethyl ether, diethyl ether, di-n-propyl ether, diisopropyl ether, di-n-butyl ether, diisobutyl ether, di-t-butyl ether, di-n-pentyl ether, diisopentyl ether, dineopentyl ether, di-n-hexyl ether, di-n-heptyl ether, di-2-ethylhexyl ether, di-n-octyl ether, di-n-nonyl ether, di-n-decyl ether, and dibenzyl ether.
4. The process of claim 3, where the dihydrocarbyl ether is selected from the group consisting of dimethyl ether, diethyl ether, di-n-propyl ether, diisopropyl ether, di-n-butyl ether, diisobutyl ether, di-t-butyl ether, di-n-pentyl ether, diisopentyl ether, dineopentyl ether, di-n-hexyl ether, di-n-heptyl ether, di-2-ethylhexyl ether, di-n-octyl ether, di-n-nonyl ether, and di-n-decyl ether.
5. The process of claim 2, where the organoaluminum compound other than an aluminoxane is defined by the formula AlRnX3-n, where each R, which may be the same or different, is a mono-valent organic group that is attached to the aluminum atom via a carbon atom, where each X, which may be the same or different, is a hydrogen atom, a halogen atom, a carboxylate group, an alkoxide group, or an aryloxide group, and where n is an integer of 1 to 3.
6. The process of claim 1, where the organic bromides are defined by the formula R4-xCBrx, where x is an integer from 1 to 4, and each R is individually selected from the group consisting of a monovalent organic group, a hydrogen atom, and a halogen atom.
7. The process of claim 2, where the bromine-containing compound is an organic bromide selected from the group consisting of brominated hydrocarbons, acyl bromides, and brominated carboxylic esters.
8. The process of claim 2, where the lanthanide-based catalyst system includes the combination of or reaction product of ingredients including the lanthanide compound, the aluminoxane, the organoaluminum compound other than an aluminoxane, the bromine-containing compound, and an iodine-containing compound.
9. The process of claim 8, where the iodine-containing compound is selected from the group consisting of elemental iodine, iodine-containing mixed halogens, hydrogen iodide, organic iodides, inorganic iodides, metallic iodides, and organometallic iodides.
10. The process of claim 2, where the molar ratio of the aluminoxane to the lanthanide compound is from about 5:1 to about 1000:1, the molar ratio of the organoaluminum compound other than an aluminoxane to the lanthanide compound is from about 1:1 to about 200:1, the molar ratio of the bromine-containing compound to the lanthanide compound is from about 0.5:1 to about 20:1, and the molar ratio of the dihydrocarbyl ether to the lanthanide compound is from about 0.5:1 to about 1000:1.
11. The process of claim 8, where the molar ratio of iodine atoms in the iodine-containing compounds to bromine atoms in the bromine-containing compounds is from about 0.1:1 to about 10:1.
12. The process of claim 2, where said step of polymerizing takes place within a polymerization mixture that is substantially devoid of organic solvent.