Patent US3397166A 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 12:28
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
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US2731439A
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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 |