Low-VOC stuffing agents, the use thereof in the production...

Details Low-VOC stuffing agents, the use thereof in the production... Low-VOC stuffing agents, the use thereof in the production...

2007-03-20

2007-03-20

Green, Anthony J. (Department: 1755)

Compositions

Leather or fur treating

C008S09410R, C008S094180, C008S09419C, C008S094220, C427S389000

Reexamination Certificate

active

10503306

ABSTRACT:
Agents for the fatliquoring of, in particular, leathers and hides tanned in the absence of chromium compriseA) at least one modified natural oil andB) at least one stabilizer LnRwhere Rais H or methyl, Rbis methyl, ethyl or tert-butyl,Rcis methyl, tert-butyl, cyclohexyl or methylcyclohexyl,R is an n-valent C3- to C30-hydrocarbon radical which is unsubstituted or substituted and/or contains hetero atomsand n is an integer from 1 to 10,the stabilizer LnR having altogether at least 20, in particular altogether at least 28, carbon atoms, and, where n is 2, —R— also being —S—, —O—, —N(H)—, —CH2—, —(CH2)2—, —CH(CH3)—, —CH2)3—, —CH(C2H5)— or —C(CH3)2—.The novel fatliquoring agents are used in leather production and/or leather treatment, and leather is produced and/or treated using aqueous dispersions of these fatliquoring agents.

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