Leather treatment

Details Leather treatment Leather treatment

2006-02-21

2006-02-21

Gupta, Yogendra N. (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Leather dehydration

C008S127000, C008S517000, C523S416000, C524S104000, C524S489000, C428S310500, C428S473000

Reexamination Certificate

active

07001435

ABSTRACT:
An improved method for dyeing leather wit propylene glycol monomethyl ether (PGME) systems comprising adding polyacrylate resins base, C-3 and C-4 alcohols, and n-butyl acetate and negating the need for aqueous compositions, Teflon dispersions, dibutyl phthalate, and improves the dye penetration, hastens the flash times, improves the dust free time, and improves the tape time.

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