US2607752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin of sulfur dioxide and an unsaturated organic compound which reacts to form a heteropolymeric resin
Assignee: Phillips Petroleum Co
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Filing: 1951-01-02
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Granted: 1952-08-19
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Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Willie W Crouch
- 👤 John F Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:50
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A RESIN COMPOSITION OF SULFUR DIOXIDE AND AN UNSATURATED COMPOUND WHICH REACTS WITH SULFUR DIOXIDE TO FORM A HETEROPOLYMERIC RESIN, CONSISTING ESSENTIALLY OF A NITRILE BOILING ABOVE 250* F., HAVING A MOLECULAR WEIGHT OF BETWEEN 80 AND AND 1000, AND HAVING NO ALIPHATIC HYDROCARBON GROUP CONTAINING MORE THAN SIX CARBON ATOMS AND AN UNSATURATED ORGANIC COMPOUND-SULFUR DIOXIDE RESIN BEING PRESENT IN A RATIO OF PARTS BY WEIGHT OF NITRILE TO RESIN WITHIN THE RANGE OF 1:100 TO 150:100.
Claim 2
Dependent Claim
78 words
A RESIN COMPOSITION OF SULFUR DIOXIDE AND AN UNSATURATED COMPOUND WHICH REACTS WITH SULFUR DIOXIDE TO FORM A HETEROPOLYMERIC RESIN, CONSISTING ESSENTIALLY OF A NITRILE BOILING ABOVE 250* F., HAVING A MOLECULAR WEIGHT OF BETWEEN 80 AND AND 1000, AND HAVING NO ALIPHATIC HYDROCARBON GROUP CONTAINING MORE THAN SIX CARBON ATOMS AND AN UNSATURATED ORGANIC COMPOUND-SULFUR DIOXIDE RESIN BEING PRESENT IN A RATIO OF PARTS BY WEIGHT OF NITRILE TO RESIN WITHIN THE RANGE OF 1:100 TO 150:100.
References Cited (Backward Citations)
US2339362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |