Title:
SPRAY-DRIED POLYMER COMPOSITIONS AND METHODS
Document Type and Number:
WIPO Patent Application WO1997048732
Kind Code:
A3
Abstract:
Processes for spray drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry water-soluble or water-swellable polymer particles, methods of agglomerating spray-dried polymer particles, and methods of using spray-dried polymer particles and agglomerates in water-treating, mining, paper, food processing, soil conditioning, solution thickening, biotechnological, and oil recovery applications are disclosed.
Inventors:
DAVIES WILLIAM BLOOR (US)
HEALY JOHN EDWARD (US)
MILLER GARY KAUI LANI (US)
KOZAKIEWICZ JOSEPH J (US)
RYLES RODERICK G (US)
HEALY JOHN EDWARD (US)
MILLER GARY KAUI LANI (US)
KOZAKIEWICZ JOSEPH J (US)
RYLES RODERICK G (US)
Application Number:
PCT/US1997/009788
Publication Date:
February 05, 1998
Filing Date:
June 05, 1997
Export Citation:
Assignee:
CYTEC TECH CORP (US)
International Classes:
B01D1/14; C08J9/00; C02F1/52; C02F1/56; C08F20/00; C08F220/00; C08J3/00; C08J3/12; C08J11/02; C08L33/00; (IPC1-7): C08F/
Domestic Patent References:
| WO1995025129A1 | 1995-09-21 |
Foreign References:
| EP0084837A1 | 1983-08-03 | |||
| US4035317A | 1977-07-12 |
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