US3000762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reacting polymeric materials with sulfones and products resulting therefrom
Assignee: JP Stevens and Co Inc
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Filing: 1960-08-25
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Granted: 1961-09-19
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:21
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C08; C08B; C08B15/00; C08B15/10; C08B37/00; C08F; C08F8/00; C08F8/44; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/272; D06M13/278; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T442/00; Y10T442/20; Y10T442/2402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS FOR INSOLUBILIZING NON-CELLULOSE NATURAL AND SYNTHETIC POLYMERS CONTAINING A PLURALITY OF HYDROXYL GROUPS PER POLYMERIC MOLECULE BY REACTING SAID POLYMERS IN THE PRESENCE OF AN ALKALINE CATALYST WITH A SULFONE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
36 words
A PROCESS FOR INSOLUBILIZING NON-CELLULOSE NATURAL AND SYNTHETIC POLYMERS CONTAINING A PLURALITY OF HYDROXYL GROUPS PER POLYMERIC MOLECULE BY REACTING SAID POLYMERS IN THE PRESENCE OF AN ALKALINE CATALYST WITH A SULFONE CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |