Patent · US Expired

Process for the quasi-ionic polymerization of acrylic acid derivatives

US4801669A · kind A · utility

0Cited by

7References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl-Erwin Piejko · Bensberg, DE
Ralph Ostarek · Goldkronach, DE
Manfred T. Reetz · Mülheim an der Ruhr, DE

Key dates

Filing date	Dec 14, 1987
Grant date	Jan 31, 1989
Priority date	—
Expiry date	Dec 14, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

In the process according to the invention for the quasi-ionic polymerization of acrylic acid derivatives in organic solvents with initiators and zinc halides, the zinc halides are dissolved in the acrylic acid derivatives to be polymerized and the other components of the polymerization mixture are combined with this solution.

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