Process for preparing water-soluble or water-dispersible...

Details Process for preparing water-soluble or water-dispersible... Process for preparing water-soluble or water-dispersible...

2001-01-24

2008-12-16

Padmanabhan, Sreeni (Department: 1617)

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Aftertreated polymer

C514S772200, C514S772400

Reexamination Certificate

active

07465440

ABSTRACT:
A process for preparing graft copolymers of polyvinyl esters by polymerization ofa) at least one vinyl ester of aliphatic C1-C24-carboxylic acids in the presence ofb) polyethers which are solid at room temperature and have the general formula I,c) and, where appropriate, at least one other monomerusing a free-radical organic initiator system, wherein liquid polyalkylene glycol is used as solvent for the free-radical initiator system (feed).

REFERENCES:
patent: 2602079 (1952-07-01), De Groote
patent: 3928255 (1975-12-01), Milkovich et al.
patent: 4085168 (1978-04-01), Milkovich et al.
patent: 4369281 (1983-01-01), Zimmermann et al.
patent: 5034475 (1991-07-01), Kroggel et al.
patent: 5053455 (1991-10-01), Kroggel et al.
patent: 5134053 (1992-07-01), Mueller-Hess et al.
patent: 5338814 (1994-08-01), Wu et al.
patent: 5777046 (1998-07-01), Boeckh et al.
patent: 6126970 (2000-10-01), van't Klooster
patent: 6194125 (2001-02-01), Goffing et al.
patent: 922457 (1963-04-01), None
patent: 922458 (1963-04-01), None
patent: WO 00/18375 (2000-04-01), None

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