Inhibition/reduction in discoloration of...

Details Inhibition/reduction in discoloration of... Inhibition/reduction in discoloration of...

2011-03-08

2011-03-08

Peng, Kuo-Liang (Department: 1765)

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...

C525S477000

Reexamination Certificate

active

07902290

ABSTRACT:
A method of inhibiting or reducing discoloration of a diorganopolysiloxane composition comprising the steps of mixing: said composition with the following components in any order: i) a source of ferrous ions; and ii) 0.0001-0.05 wt. % per total weight of the composition of a bis(2-pyridylthio-1-oxide) non-ferrous salt per total weight of the composition.

REFERENCES:
patent: 3995184 (1976-11-01), Insley
patent: 4391937 (1983-07-01), Falender et al.
patent: 5378406 (1995-01-01), Nagaoka
patent: 5733996 (1998-03-01), DeBuyl et al.
patent: 6451437 (2002-09-01), Amidaiji et al.
patent: 0076630 (1983-04-01), None
patent: 0747443 (1996-12-01), None
patent: 1290943 (2003-03-01), None
patent: 58071951 (1983-04-01), None
patent: 9003330 (1997-01-01), None
patent: 9087611 (1997-03-01), None
Merriam-Webster's Collegiate Dictionary, 10thEd., Merriam-Webster, Inc. p. 430 (1993).
English language abstract for JP9003330 extracted from espacenet.com database Jan. 4, 2007.
English language abstract for JP9087611 extracted from espacenet.com database Jan. 4, 2007.
English language abstract for JP58071951 extracted from espacenet.com database Jan. 4, 2007.

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