Patent · US Expired

Methacrylate resin composition and process for its preparation

US4745159A · kind A · utility

19Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 1987
Grant dateMay 17, 1988
Priority date
Expiry dateJan 20, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2800/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A methacrylate resin composition comprising a methacrylate resin containing methacrylimide units of the following formula: ##STR1## wherein R is a hydrogen atom or an aliphatic, alicyclic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, and having a yellowness index (YIs) of at most 3 as measured in the form of a solution of the heated resin composition and a total light transmittance of from 89 to 95%.

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