Organic thiol stabilizers and plasticizers for...

Details Organic thiol stabilizers and plasticizers for... Organic thiol stabilizers and plasticizers for...

2007-01-11

2009-06-30

Pyon, Harold Y. (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...

C524S289000, C524S307000, C524S311000, C524S392000, C568S063000

Reexamination Certificate

active

07553897

ABSTRACT:
A novel organic thiol stabilizer for PVC is described herein. Specifically, this novel thiol stabilizer for PVC is dipentaerythritol hexakis(mercaptoacetate). The organic thiol stabilizer of the present invention, when blended with halogen-containing polymers such as PVC, or derivatives thereof, provides advantages in cost and/or performance relative to existing organic stabilizers for PVC.

REFERENCES:
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patent: 6747081 (2004-06-01), Starnes, Jr.
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patent: 2002/0103277 (2002-08-01), Duvall
patent: 2004/0220310 (2004-11-01), Starnes et al.
patent: 2008/0045635 (2008-02-01), Ishizuka et al.

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