Patent · US Expired

Solution polymerization for the preparation of gel-free ethylene/vinyl acetate copolymers

US4937303A · kind A · utility

13Cited by

1References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Bernhard Wolf · Mainz, DE
Bernhard Will · Wiesbaden, DE
Werner Obrecht · Moers, DE
Rudolf Casper · Leverkusen, DE
Wolfgang Baade · Wildeshausen, DE
Gerd Sylvester · Leverkusen, DE
Kurt P. Meurer · Leverkusen, DE
Hugo Zimmermann · Cologne, DE

Key dates

Filing date	May 1, 1989
Grant date	Jun 26, 1990
Priority date	—
Expiry date	May 1, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F210/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

High molecular weight, gel-free ethylene/vinyl acetate copolymers may be prepared by the process of solution polymerization if a particular relationship of temperature/pressure is observed.

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