US3015653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maleic anhydride-styrene-acrylonitrile terpolymer
Assignee: Diamond Shamrock Corp
•
Filing: 1958-01-06
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Granted: 1962-01-02
•
Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Roger G Richards
- 👤 Edmond R Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; C08F257/00; C08F257/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE METHOD OF POLYMERIZING AN UNSATURATED POLYMERIZABLE MONOMERIC COMPOSITION SELECTED FROM THE GROUP CONSISTING OF VINYL ESTERS OF MONOCARBOXYLIC ACIDS, VINYL HALIDES AND MIXTURES THEREOF WITH FURTHER ETHYLENICALLY UNSATURATED MONOMERS COPOLYMERIZABLE THEREWITH, WHICH COMPRISES THE STEPS OF SUSPENDING SAID MONOMER COMPOSITION IN WATER USING AS A SUSPENDING
Claim 2
Independent Claim
47 words
THE METHOD OF POLYMERIZING AN UNSATURATED POLYMERIZABLE MONOMERIC COMPOSITION SELECTED FROM THE GROUP CONSISTING OF VINYL ESTERS OF MONOCARBOXYLIC ACIDS, VINYL HALIDES AND MIXTURES THEREOF WITH FURTHER ETHYLENICALLY UNSATURATED MONOMERS COPOLYMERIZABLE THEREWITH, WHICH COMPRISES THE STEPS OF SUSPENDING SAID MONOMER COMPOSITION IN WATER USING AS A SUSPENDING
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |