Patent · US Expired

Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use

US5241094A · kind A · utility

11Cited by

7References

10Claims

0Family size

Assignee

Baerlocher GmbH · DE

Inventors

Coriolan Razvan · Munich, DE
Reinhard Beck · Munich, DE
Alfred Kuerzinger · Munich, DE
Albert W. Puerzer · Hersbruck, DE
Michael Rosenthal · Redwood City, US

Key dates

Filing date	Jul 21, 1992
Grant date	Aug 31, 1993
Priority date	—
Expiry date	Jul 21, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/22
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention describes basic calcium aluminum hydroxide dicarboxylates of the general formula EQU Ca.sub.x Al.sub.2 (OH).sub.2(x+2) A . m H.sub.2 O wherein PA0 x means 2-8, PA0 m means 0-12 and PA0 A means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereof PA0 and a process for their production. The compounds according to the invention are especially suited as stabilizers for halogen-containing, thermoplastic resins, in particular PVC.

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