Patent · US Expired

Polyamines

US4642344A · kind A · utility

11Cited by

6References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Manfred Hajek · Leverkusen, DE
Herbert Salzburg · Leichlingen, DE
Heinz Ziemann · Leichlingen, DE

Key dates

Filing date	Jan 11, 1985
Grant date	Feb 10, 1987
Priority date	—
Expiry date	Jan 11, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D251/70
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to new polyamines corresponding to the formula ##STR1## in which R.sup.1 represents an alkyl, cycloalkyl or aryl group and PA0 R.sup.2 represents hydrogen or an alkyl group. The present invention is also directed to a process for the preparation of these amines by hydrogenating the corresponding trinitriles.

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