Patent US3248352A successfully refreshed from Google Patents.
US3248352A
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Polymeric materials containing oxidized amine radicals and stable, aqueous, water-repellency compositions containing the same
Assignee: EIDP Inc
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Filing: 1961-09-08
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Granted: 1966-04-26
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Marascia Frank Joseph
- 👤 Nelson Jerry Allen
- 👤 Jr Christian S Rondestvedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C08F220/00; C08F220/02; C08F220/10; C08F220/34; C08F8/00; C08F8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A COPOLYMER, SALT AND QUATERNIZATION PRODUCT OF SAID COPOLYMER CONTAINING OXIDIZED AMINE RADICALS IN CATIONIC STATE, SAID COPOLYMER BEING MADE UP OF N PERCENT BY WEIGHT OF A NITROGENOUS ACRYLIC MONOMER OF THE FORMULA
Claim 2
Dependent Claim
43 words
A POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A COPOLYMER, SALT AND QUATERNIZATION PRODUCT OF SAID COPOLYMER CONTAINING OXIDIZED AMINE RADICALS IN CATIONIC STATE, SAID COPOLYMER BEING MADE UP OF N PERCENT BY WEIGHT OF A NITROGENOUS ACRYLIC MONOMER OF 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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |