Leather treatment

Details Leather treatment Leather treatment

2007-10-30

2007-10-30

McGinty, Douglas (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Leather dehydration

C008S127000, C008S517000, C523S416000, C524S104000, C428S310500, C428S473000

Reexamination Certificate

active

11261124

ABSTRACT:
An improved method for dying leather with propylene glycol monomethyl ether (PGME) systems comprising adding polyacrylate resin base, C3 and C4 alcohols, and n-butyl acetate and negating the need for teflon dispersions, dibutyl phthalate, and improves the dye penetration, hastens the flash times, improve the dust free time, and improves the tape time.

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