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
2005-02-10
2010-11-16
Choi, Ling-Siu (Department: 1796)
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...
C524S068000
Reexamination Certificate
active
07834074
ABSTRACT:
Plasticizing system usable for the plasticizing of a diene rubber composition. The plasticizing system is based on an MES or TDAE oil and a polylimonene resin. The rubber composition has an improved resistance to abrasion and to cuts, said composition being based on at least a diene elastomer, a reinforcing filler, a cross-linking system and a plasticizing system comprising between 5 and 35 phr of an MES or TDAE oil, and between 5 and 35 phr of a polylimonene resin (phr=parts by weight per hundred of elastomer). Advantageously, this plasticizing system furthermore comprises an unsaturated (C12-C22) fatty acid triester of glycerol, preferably a glycerol trioleate. A process is disclosed for preparing such a composition. The composition can be used for the manufacture of a finished article or a semi-finished product intended for a suspension system of a motor vehicle, in particular a tire or a tread of such a tire.
REFERENCES:
patent: 6300449 (2001-10-01), Wideman et al.
patent: 1270657 (2003-01-01), None
Translation of EP 1270657, Jan. 2003.
V. Null, “Safe process oils for tires with low environmental impact”, Kautschuk and Gummi—Kunststoffe—Asbest, Dr. Alfred Verlag GmbH, Heidelberg, Germany, vol. 52, No. 12, pp. 799-800, 802.
J. Bowman, et al., “The influence of non-toxic extender oil on SBR performances”, Kautschuk Gummi Kunststoffe, vol. 57, No. 1, pp. 31-36, Feb. 1, 2004.
Brunelet Thierry
Dinh Martine
Favrot Jean-Michel
Labrunie Philippe
Lopitaux Garance
Chin Hui
Choi Ling-Siu
Cohen Pontani Lieberman & Pavane LLP
Michelin & Recherche et Technique S.A.
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