Process for softening/stuffing leather and fur skins

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5575939
SERIAL NO

08325184

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a process for the fat liquoring/softening of leathers and furs by treatment with an aqueous dispersion of a copolymer obtainable by polymerization of a) maleic anhydride, b) C.sub.12 -C.sub.30 alpha-olefins, esters of (meth)acrylic acid and/or maleic acid with C.sub.12 -C.sub.30 alcohols and c) optionally, further hydrophilic, ethylenically unsaturated monomers which are copolymerizable with a) and b), reaction of the anhydride groups with monovalent alcohols comprising at least one ether functionality, and partial neutralization or hydrolysis of the residual acid or anhydride groups and manufacture of a flowable dispersion having an active substance content of at least 40%-wt.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHEMISCHE FABRIK STOCKHAUSEN GMBHBAEKERPFAD 25 KREFELD D-478

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dahmen, Kurt Monchengladbach, DE 39 1200
Lohmann, Helmut Krefeld, DE 25 199
Mertens, Richard Krefeld, DE 47 1230
Muller, Thomas Dusseldorf, DE 174 1663

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation