US3136738A
Expired / Lapsed
US
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Graft copolymer of polylactam on polymer containing tertiary amine group
Assignee: Monsanto Co
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Filing: 1960-02-10
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Granted: 1964-06-09
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Ross M Hedrick
- 👤 Edward H Mottus
- 👤 John M Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:27
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/16; C08G69/18; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60; C08F8/00; C08F8/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A GRAFT COPOLYMER CONSISTING ESSENTIALLY OF A LINEAR BACKBONE POLYMERIC PRODUCT, PREPARED BY THE ADDITION POLYMERIZATION OF AN ETHYLENIC UNSATURATED MONOMER, AND CONTAINING A POLYLACTAM SIDE-CHAIN, CONTAINING AT LEAST 6 CARBON ATOMS PER UNIT OF SAID POLYLACTAM, GRAFTED THERETO THROUGH AN ACTIVE SITE LOCATED ON SAID LINEAR BACKBONE POLYMERIC PRODUCT ESSENTIALLY CONTAINING AN N,N-DIACYL TERTIARY AMINE GROUPING CHARACTERIZED BY THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
62 words
A GRAFT COPOLYMER CONSISTING ESSENTIALLY OF A LINEAR BACKBONE POLYMERIC PRODUCT, PREPARED BY THE ADDITION POLYMERIZATION OF AN ETHYLENIC UNSATURATED MONOMER, AND CONTAINING A POLYLACTAM SIDE-CHAIN, CONTAINING AT LEAST 6 CARBON ATOMS PER UNIT OF SAID POLYLACTAM, GRAFTED THERETO THROUGH AN ACTIVE SITE LOCATED ON SAID LINEAR BACKBONE POLYMERIC PRODUCT ESSENTIALLY CONTAINING AN N,N-DIACYL TERTIARY AMINE GROUPING CHARACTERIZED BY THE STRUCTURAL 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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |