Epichlorohydrin amine polymers used for treating the surface...

Details Epichlorohydrin amine polymers used for treating the surface... Epichlorohydrin amine polymers used for treating the surface...

2004-08-06

2010-06-01

Pyon, Harold Y (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S050000, C525S055000, C525S070000, C008S094150, C008S09410R, C564S498000

Reexamination Certificate

active

07728072

ABSTRACT:
An epichlorohydrinamine polymer has a ratio of amine units to epichlorohydrin units of from 0.8:1.2 to 1.0:1.0, dimethylaminopropylamine and benzylamine preferably being used as amine and/or ammonium units. The novel epichlorohydrinamine polymer is used, for example, for the surface treatment of semifinished leather products and textile materials.

REFERENCES:
patent: 3573095 (1971-03-01), Stockmann et al.
patent: 3738945 (1973-06-01), Panzer et al.
patent: 0 431 739 (1991-06-01), None
patent: 0 738 608 (1996-10-01), None
patent: 0 884 944 (1998-12-01), None
patent: 11277887 (1999-10-01), None
patent: 97/28687 (1997-08-01), None
English machine translation of JP 11277887.
Kurt Eitel, “Bibliothek des Leders”, Das Faerben Von Leder, vol. 5, pp. 168-171.

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