Leather treatment agent and its use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 14, 1992
Issued Date -
N/A
app pub date -
Aug 11, 1989
filing date -
Jul 18, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Leather treatment agent containing a mixture a) of a carboxylic acid X--COOH I wherein X represents --[R--CO--Z--(R'--Z).sub.a ].sub.b --CO--R--COOH 1 or --R'--(Z--R').sub.c --Z--CO--R--COOH 2 and the symbols have the meaning described in more detail in the description, and b) of a compound containing at least one primary, secondary or tertiary amino group, with a molecular weight of 200-20,000, are used in processes for tanning, pretanning, retanning, dyeing or fat liquoring pelts or pretanned leather or fully tanned leather.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully