Solid, non-dusty dyestuff-foams of any desired shape and size

Details Solid, non-dusty dyestuff-foams of any desired shape and size Solid, non-dusty dyestuff-foams of any desired shape and size

1973-07-09

1976-07-06

Engle, Samuel W.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 79, 252307, 252350, C09B 6700

Patent

active

039679217

ABSTRACT:
Solid non-dusty, porous dyestuff-foams are described of any desired shape and size containing at least one dyestuff, a foaming agent and optionally bonding agents and/or further additives.
These foams are useful for preparing dye liquors or printing pastes by sprinkling said foams into water or organic solvents.

REFERENCES:
patent: 1659131 (1925-06-01), Bishop et al.
patent: 1948568 (1934-02-01), Faber et al.
patent: 2716961 (1955-09-01), Manheim
patent: 2949426 (1957-05-01), Thiegs
patent: 2971458 (1961-02-01), Kumins
patent: 3048464 (1959-04-01), Fisher
patent: 3263012 (1966-07-01), Nadler
patent: 3492093 (1970-01-01), Start
patent: 3723340 (1973-03-01), Shepherd

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