Method for synthesis of block polymers by controlled free...

Details Method for synthesis of block polymers by controlled free... Method for synthesis of block polymers by controlled free...

2007-07-24

2007-07-24

Teskin, Fred (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S346000, C526S347000, C525S059000, C525S255000, C525S267000, C525S299000

Reexamination Certificate

active

10343045

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, at least a dithiophosphoroester compound.

REFERENCES:
patent: 3639370 (1972-02-01), Heinz
patent: WO 00/20465 (2000-04-01), None
Patent Abstracts of Japan, vol. 010, No. 103 (C-340), & JP 60 233112 A (Nov. 19, 1985) abstract.
Database WPI, Derwent Publications Ltd. , AN 1993-096776, XP002154822, & JP 05 039296 A, Feb. 19, 1993 abstract.
Database WPI, Derwent Publications Ltd. , AN 1987-069132, XP002154823 & JP 62 022805 A, Jan. 31, 1987 abstract.
International Search Report.

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