Chromium-free, waterproof leather

Details Chromium-free, waterproof leather Chromium-free, waterproof leather

2006-06-13

2006-06-13

Green, Anthony J. (Department: 1755)

Stock material or miscellaneous articles

Impregnated naturally solid product

C008S09410R, C008S09419C, C008S094200, C008S094260, C008S094280, C252S008570, C428S473000

Reexamination Certificate

active

07060363

ABSTRACT:
Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338, of at least 30 min.

REFERENCES:
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patent: 4740211 (1988-04-01), Siegler et al.
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patent: 5702490 (1997-12-01), Kneip et al.
patent: 5885341 (1999-03-01), Standke et al.
patent: 6110230 (2000-08-01), Friedrich et al.
patent: 6379751 (2002-04-01), Schafer et al.
patent: 196 29 986 (1998-01-01), None
patent: 019707970 (1998-09-01), None
patent: 000757108 (1997-02-01), None

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