Carboxyl- and amino-containing copolymer for after-tanning miner

Details Carboxyl- and amino-containing copolymer for after-tanning miner Carboxyl- and amino-containing copolymer for after-tanning miner

1985-05-10

1986-06-24

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 942, 8 9433, C14C 322

Patent

active

045965811

ABSTRACT:
An amino-containing and carboxyl-containing polymer tanning agent containing more carboxyl groups than amino groups, when used for retanning mineral-tanned leather, gives, alone or in combination with conventional anionic retanning agents, leather which is readily dyeable and has good sensory properties.

REFERENCES:
patent: 2138763 (1938-11-01), Graves
patent: 2592107 (1952-04-01), Azorlosa
patent: 2942930 (1960-06-01), Luvisi et al.
patent: 3103447 (1963-09-01), Lowell et al.
patent: 3744969 (1973-07-01), Alps et al.
patent: 4314800 (1982-02-01), Monsheimer et al.
patent: 4390340 (1983-06-01), Lach
patent: 4439201 (1984-03-01), Lauton et al.

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