Patent · US Expired

Solid .epsilon.-caprolactam dyestuff preparations

US4083689A · kind A · utility

5Cited by

4References

12Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karlheinz Wolf · Leverkusen, DE
Konrad Nonn
Reinhold Hornle
Hans-Werner Petroll · Leverkusen, DE

Key dates

Filing date	Sep 26, 1975
Grant date	Apr 11, 1978
Priority date	—
Expiry date	Sep 26, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0092
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Dyestuff preparations consisting of one or more water-soluble dyestuffs, one or more water-soluble carboxylic acid amides with melting points between 40.degree. and 200.degree. C optionally further customary auxiliaries are easily wettable with water and easily and rapidly soluble even in cold water.

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