Patent · US Expired

Cyclic acetals of polyols, their production and their use as non-discoloring anti-ozonants

US4088630A · kind A · utility

8Cited by

8References

41Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Ernst Roos
Gunter P. Langner · Leverkusen, DE
Theo Kempermann
Wolfgang Redetzky

Key dates

Filing date	Oct 26, 1976
Grant date	May 9, 1978
Priority date	—
Expiry date	Oct 26, 1996

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/925
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Cyclic acetals which may be obtained by reacting tri- to hexa-ols with tetrahydrobenzaldehydes can be used as non-discoloring stabilizers for natural and/or synthetic rubber against ozone attack.

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