Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Reexamination Certificate
2007-11-13
2007-11-13
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
C528S373000, C528S389000
Reexamination Certificate
active
11558902
ABSTRACT:
The invention relates to a process and composition-of-matter for the preparation of dimeric and polymeric alkylphenol polysulfides based on paracumyl phenol for use in vulcanizable rubbers in which the additive is a dimeric or polymeric alkylphenol polysulfide non-nitrosamine-releasing additive based on paracumyl phenol.
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VULTAC® 710 (Amylphenol Disulfide).
VULTAC® 5 (Amylphenol Disulfide).
Kodali Satyan
Nguyen Duong N.
Stevenson Donald R.
Buckingham Doolittle & Burroughs LLP
Choi Ling-Sui
Dover Chemical Corporation
Wagner Louis F.
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