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
2011-07-12
2011-07-12
Jagannathan, Vasu (Department: 1764)
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...
C560S138000, C560S140000, C252S404000
Reexamination Certificate
active
07977418
ABSTRACT:
The present invention provides a bisphenol monoester-based stabilizer composition that can improve resistance to discoloration at high temperature of a thermoplastic polymer compared with a conventional one using a bisphenol monoester-based stabilizer composition including a bisphenol monoester-based compound mainly, wherein a compound represented by the following formula:is contained in an area percentage by liquid chromatography analysis of 0.1 to 3%, a thermoplastic polymer composition and a method of manufacturing the thermoplastic polymer composition, a thermoplastic polymer molded product, and a method of stabilizing a thermoplastic polymer, as well as a thermoplastic polymer composition in which resistance to discoloration at high temperature is improved by using the stabilizer composition and a method of manufacturing the thermoplastic polymer composition, a thermoplastic polymer molded product, and a method of stabilizing a thermoplastic polymer.
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Office Action in U.S. Appl. No. 12/219,145 dated Dec. 11, 2008.
Office Action in U.S. Appl. No. 12/219,145 dated Aug. 21, 2009.
Akiba Masatsugu
Kimura Kenji
Soma Ryoji
Tamato Toyomochi
Foley & Lardner LLP
Jagannathan Vasu
Pak Hannah
Sumitomo Chemical Company Limited
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