Patent US3340326A successfully refreshed from Google Patents.
US3340326A
Expired / Lapsed
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Graft copolymers of thioated polyamides and ethylenically unsaturated monomers
Assignee: Kimberly Clark Tissue Co
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Filing: 1966-12-07
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Granted: 1967-09-05
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Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert W Faessinger
- 👤 John S Conte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:54
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/04; C08G; C08G69/00; C08G69/48; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE PROCESS OF PRODUCING A GRAFT COPOLYMER OF ETHYLENICALLY UNSATURATED COMPOUNDS AND DERIVATIVES OF POLYAMIDES WHICH COMPRISES THE STEPS OF (A) FORMING A WATER INSOLUBLE THIOATED DERIVATIVE OF A WATER-INSOLUBLE POLYAMIDE BY REACTING A WATER-INSOLUBLE SYNTHETIC LINEAR POLYAMIDE HAVING AN AMDIDE GROUP AS PART OF A RECURRING POLYMERIC UNIT AT AN ALKALINE PH WITH AT LEAST ONE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
61 words
THE PROCESS OF PRODUCING A GRAFT COPOLYMER OF ETHYLENICALLY UNSATURATED COMPOUNDS AND DERIVATIVES OF POLYAMIDES WHICH COMPRISES THE STEPS OF (A) FORMING A WATER INSOLUBLE THIOATED DERIVATIVE OF A WATER-INSOLUBLE POLYAMIDE BY REACTING A WATER-INSOLUBLE SYNTHETIC LINEAR POLYAMIDE HAVING AN AMDIDE GROUP AS PART OF A RECURRING POLYMERIC UNIT AT AN ALKALINE PH WITH AT LEAST ONE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |