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Class Information
Number: 526/937
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Optical clarity
Description: Subject matter involving polymers from ethylenically unsaturated carboxlic acid having property of optical clarity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6914113 |
Film clarity and rheological breadth in polyethylene resins |
Jul. 5, 2005 |
| 6794474 |
Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates and uses thereof in optics |
Sep. 21, 2004 |
| 6355307 |
Transparent coating agents and the use thereof to produce multi-layered coatings |
Mar. 12, 2002 |
| 5326843 |
Method for making an alkali-soluble emulsion copolymer |
Jul. 5, 1994 |
| 5198305 |
Optical element substrate |
Mar. 30, 1993 |
| 5081315 |
Fluoro-containing compounds based on 4,4'-bis[2-(4-hydroxyphenyl) hexafluoroisopropyl]diphenyl ether, processes for their preparation and their use |
Jan. 14, 1992 |
| 5026805 |
Low-hygroscopic copolymer |
Jun. 25, 1991 |
| 4978790 |
4,4'-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenylethers and their use |
Dec. 18, 1990 |
| 4939190 |
Aqueous emulsion-type pressure sensitive adhesives |
Jul. 3, 1990 |
| 4725397 |
Thermosetting preform having superior transparency and process for producing molded articles from said preform |
Feb. 16, 1988 |
| 4628071 |
Emulsion copolymerization process |
Dec. 9, 1986 |
| 4350622 |
Aqueous dispersions of vinylidene chloride resins |
Sep. 21, 1982 |
| 4327202 |
Styrene copolymer for contact lenses |
Apr. 27, 1982 |
| 4258166 |
Low density polyethylene film |
Mar. 24, 1981 |
| 4248990 |
Nonrandom copolymers of ethylene and unsaturated acid |
Feb. 3, 1981 |
| 4243790 |
Styrene/hydroxy alkyl acrylic acid ester copolymer for contact lenses |
Jan. 6, 1981 |
| 4214064 |
Process for producing a casting plate of polymethyl methacrylate |
Jul. 22, 1980 |
| 4151328 |
Self-welding laminate compositions |
Apr. 24, 1979 |
| 3969297 |
Clear ethylene polymer emulsions having particle size less than 100 angstrom units and polishes containing the same |
Jul. 13, 1976 |
| 3952135 |
Laminated glass windows for vehicles |
Apr. 20, 1976 |
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