Patent · US Expired

Polymer powders, pressure sensitive adhesives and methods of making the same

US7019067B2 · kind B2 · utility

16Cited by
47References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 2004
Grant dateMar 28, 2006
Priority date
Expiry dateMar 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.