Patent · US Expired

Methyl methacrylate-based resin film and sheet

US4228267A · kind A · utility

27Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1979
Grant dateOct 14, 1980
Priority date
Expiry dateSep 4, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31935
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Methyl methacrylate-based resin films and sheets are formulated in a specific composition and molded so as to acquire a specific supra-molecular structure and prove to be useful in fields which demand mechanical properties such as folding endurance and impact resistance in addition to the various characteristics inherent in methyl methacrylate-based resins.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.