Patent · US Expired

Cyanamide stabilizers

US4101506A · kind A · utility

3Cited by

8References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Paul Uhrhan
Reinhard Lantzsch · Leverkusen, DE
Harald Oertel · Odenthal, DE
Ernst Roos
Dieter Arlt · Cologne, DE

Key dates

Filing date	Oct 6, 1976
Grant date	Jul 18, 1978
Priority date	—
Expiry date	Oct 6, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D211/74
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Cyanamides which may be obtained by reacting cyanogen chloride with certain piperidines can be used as stabilizers for synthetic polymers against discoloration and degradation under the effects of visible and/or UV-light, heat and/or atmospheric influences.

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