Patent · US Expired

Novel bis(half ester) and compositions containing the same

US4229559A · kind A · utility

11Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1979
Grant dateOct 21, 1980
Priority date
Expiry dateMay 1, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2992
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention is directed to a half ester characterized by the following empirical formula: ##STR1## wherein n is a number having an average value of 1.7 to 2, and m is equal to 2-n. Also described herein is a composition comprising said half ester, maleic anhydride and an ethylenically unsaturated monomer, wherein at least 75 mole percent of the half ester is in the maleate form.

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