Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-05-10
2005-05-10
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S134000, C524S137000, C525S241000, C525S242000, C525S255000, C525S098000
Reexamination Certificate
active
06890980
ABSTRACT:
The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerization of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radicals, and at least a cyclic organic compound including at least a tetrathiophosphate group.
REFERENCES:
patent: 6414061 (2002-07-01), Cruse et al.
patent: 18 00 327 (1969-07-01), None
patent: WO 9801478 (1998-01-01), None
patent: WO 0020465 (2000-04-01), None
Destarac Mathias
Dureault Alex
Gnanou Yves
Guerrero-Santos Ramiro
Leising Frederic
Asinovsky Olga
Burns Doane Swecker & Mathis L.L.P.
Chimie Rhodia
Seidleck James J.
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