Use of dialkyl polysulfides for mastication of natural and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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Reexamination Certificate

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07135515

ABSTRACT:
The present invention relates to the invention of a masticating agent for the mastication of natural and synthetic rubbers, wherein the masticating agent is a dialkyl polysulfide, which is toxicologically acceptable and has very good masticating properties.

REFERENCES:
patent: 3354131 (1967-11-01), Trivette et al.
patent: 4303765 (1981-12-01), Musch et al.
patent: 5130363 (1992-07-01), School et al.
patent: 5468288 (1995-11-01), Steger et al.
Kautschuk und Gummi-Kunststoffe., Bd. 42, Nr. 3, 1989, pp. 209-216, XP002163374, Heidelberg, DE, Abbildungen 1,5, Seite 213, linke Spalte, Tabelle 5, M. Abele et al, “Neue Erkenntnisse auf dem Gebiet der chemisch beschleunigten Mastikation”.

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