Patent · US Expired

Polyvinylchloride polymer inhibited against release of hydrogen chloride at elevated temperature

US3966673A · kind A · utility

5Cited by

1References

9Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Siegmund Frick
Wilhelm Gresser · Lüdinghausen, DE
Gunther Meyer · Selb, DE
Gerhard Bier · Troisdorf, DE

Key dates

Filing date	Jul 13, 1973
Grant date	Jun 29, 1976
Priority date	—
Expiry date	Jul 13, 1993

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31699
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyvinylchloride inhibited against release of hydrogen chloride at elevated temperature is produced by polymerizing vinyl chloride in a reaction medium having finely divided calcium carbonate dispersed therein.

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