Rubber compositions containing an oil blend of a petroleum...

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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C524S274000

Reexamination Certificate

active

08034859

ABSTRACT:
According to at least one aspect of the present invention, a rubber composition is provided. In at least one embodiment, the rubber composition comprises a rubber, an oil blend of a petroleum oil and a bio-based oil, the bio-based oil being non-hydroxyl-functionalized, hydroxyl-functionalized, or combinations thereof; and a filler. In certain instances, the bio-based oil includes a soy oil. In certain other instances, the soy oil is hydroxyl-functionalized having a hydroxyl number of from 10 to 350 KOH/g, 40 to 150 KOH/g, or 25 to 200 KOH/g. According to at least another aspect of the present invention, there is provided a method comprising providing a rubber composition as described herein and molding the rubber composition to form the rubber article.

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patent: 1790688 (2007-05-01), None
Elsevier Ltd.: Title: Characterization of soy protein isolate/styrene-butadiene rubber composites; United States Department of Agriculture, National Center for Agriculture Utilization Research; Received Mar. 19, 2004; revised Jul. 6, 2004; accepted Jul. 6, 2004. Available online Sep. 16, 2004.
Elsevier; Title: Effect of soy spent flakes and carbon black co-filler in rubber composites; Author: Jong L.; 2007.
ENS Newswire: Title: Cargill Breaks Ground for Soy-Plastics Plant in Chicago; Chicago, Illinois, Jul. 9, 2008 (ENS).
U.S. Department of Agriculture; Title: Viscoelastic Properties of Bio-Based Elastomeric Composites; Location: Cereal Products and Food Science Research; 2006 Annual Report.
Jong, L., USDA Agricultural Research Service, Title: Rheological and Interfacial Properties of Bio-Based Materials and Food Products, Publication Date: Feb. 1, 2007.

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