Polymer powders, pressure sensitive adhesives and methods of making the same
US7019067B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2004 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Mar 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/167
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for making hydrophilic homopolymers and copolymers of poly 2-hydroxyethyl methacrylate. Also disclosed are coatings, films, hydrogels, cosmetic compositions, dermatological compositions, pressure sensitive adhesives containing the hydrophilic homopolymers or copolymers of poly 2-hydroxyethylmethacrylate. Further disclosed are methods of coating substrates with the hydrophilic homopolymers and copolymers of poly 2-hydroxyethyl methacrylate and hydrophilic pressure sensitive adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.