Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2011-07-19
2011-07-19
Cheung, William K (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C562S432000, C524S186000, C524S303000
Reexamination Certificate
active
07981971
ABSTRACT:
A compounding agent for rubber vulcanization containing an amino alcohol salt of a carboxylic acid group-containing disulfide, obtained by a reaction of a dithiocarboxylic acid and an amino alcohol, having the formula (i):
REFERENCES:
patent: 5274184 (1993-12-01), Nagl et al.
patent: 7714049 (2010-05-01), Choi et al.
A.V. Chapman, M. Porter, “Sulphur vulcanization Chemistry” in the Natural Rubber Science and Technology, Roberts, A.D. Ed., Oxford Science Publications, London, 1988.
Journal of SRIJ, vol. 65, p. 86, 1992.
Choi Wonmun
Kakubo Takashi
Shimizu Yuuki
Cheung William K
Connolly Bove & Lodge & Hutz LLP
The Yokohama Rubber Co. Ltd.
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