Nitrile rubber mixtures with a low tendency towards mold...

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Injection molding

Reexamination Certificate

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C264S675000

Reexamination Certificate

active

06929769

ABSTRACT:
The present invention relates to a process for reducing mold contamination in an injection molding process by using a mixture of nitrile rubbers, in the range of from 0.1-0.5 wt. % of fatty acids and optionally further additives.

REFERENCES:
patent: 3700637 (1972-10-01), Finch, Jr.
patent: 4228119 (1980-10-01), Gomez et al.
patent: 4337329 (1982-06-01), Kubo et al.
patent: 4384081 (1983-05-01), Kubo et al.
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patent: 4464515 (1984-08-01), Rempel et al.
patent: 4503196 (1985-03-01), Rempel et al.
patent: 4581417 (1986-04-01), Buding et al.
patent: 5683819 (1997-11-01), Mori et al.
patent: 5919864 (1999-07-01), Watanabe et al.
patent: 867742 (1978-10-01), None
patent: 1 558 491 (1980-01-01), None
Handbuch fur die Gummundustrie of Bayer AG, (month unavailable) 1992, p. 535, “D12.2 Vulkasil”.

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