Patent · US Expired

Polymers, polymer compositions and method of preparation

US7375177B2 · kind B2 · utility

1Cited by
7References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 2005
Grant dateMay 20, 2008
Priority date
Expiry dateMar 21, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G71/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer comprising at least one structural unit derived from a dihydroxy compound of Formula (I)wherein R1 is an aromatic divalent functionality having 6 to 60 carbons, R2 can be the same or different at each occurrence and is independently at each occurrence selected from the group consisting of a cyano functionality, a nitro functionality, a halogen, an aliphatic functionality having 1 to 10 carbons, a cycloaliphatic functionality having 3 to 10 carbons and an aromatic functionality having 6 to 10 carbons and “n” is an integer having a value 0 to 3.

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