Patent US5428670A successfully refreshed from Google Patents.
US3397166A
Expired / Lapsed
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Method of preparing polymer dispersions in a mixed hydrocarbon and fluorinated hydrocarbon solvent media
Assignee: Rohm and Haas Co
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Filing: 1961-02-13
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Granted: 1968-08-13
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Claude J Schmidle
- 👤 George I Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:25
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/04; C08F2/06; C08F2/08; C08J; C08J3/00; C08J3/02; C08J3/09; C08K; C08K5/00; C08K5/01; C08K5/02; C08L; C08L101/00; C08L57/00; C08L7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR PRODUCING A DISPERSION OF A POLYMER IN A SUBSTANTIALLY ANHYDROUS ESSENTIALLY INERT LIQUID MEDIUM WHICH COMPRISES INITIALLY DISSOLVING A POLYMER SELECTED FROM THE GROUP CONSISITING OF NATURAL AND SYNTHETIC RUBBER POLYMERS, OXIDIZED VEGETABLE OILS, AND OIL-SOLUBLE POLYMERS FORMED EXCLUSIVELY OF MONOETHYLENICALLY UNSATURATED MOLECULES COMPRISING AT LEAST ONE ESTER OF AN ACID OF THE FORMULA.
Claim 2
Dependent Claim
57 words
A PROCESS FOR PRODUCING A DISPERSION OF A POLYMER IN A SUBSTANTIALLY ANHYDROUS ESSENTIALLY INERT LIQUID MEDIUM WHICH COMPRISES INITIALLY DISSOLVING A POLYMER SELECTED FROM THE GROUP CONSISITING OF NATURAL AND SYNTHETIC RUBBER POLYMERS, OXIDIZED VEGETABLE OILS, AND OIL-SOLUBLE POLYMERS FORMED EXCLUSIVELY OF MONOETHYLENICALLY UNSATURATED MOLECULES COMPRISING AT LEAST ONE ESTER OF AN ACID OF THE FORMULA.
References Cited (Backward Citations)
CA575403A
Cited
US2617780A
Cited
US2799669A
Cited
US2731439A
Cited
US2837496A
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US2858281A
Cited
US2847414A
Cited
US2964165A
Cited
US3095388A
Cited
US2987501A
Cited
US3073794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |