US3156743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polypropylene fibers containing acrylate and methacrylate units in polymeric form
Assignee: Eastman Kodak Co
•
Filing: 1959-12-21
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Granted: 1964-11-10
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Frederick B Joyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/44; D01F6/46; C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L39/00; C08L39/04; C08L39/08; C08L2203/00; C08L2203/12; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L33/10; C08L33/12; C08L33/24; C08L33/26
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
47 words
POLYPROPYLENE FIBER EXHIBITING EXDELLENT DYE AFFINITY, LIGHT AND GAS FASTNESS, RESISTANCE TO OXIDATION AND WEATHERING, SAID FIBER CONTAINING ABOUT 1 TO ABOUT 25%, BY WEIGHT, BASED ON POLYPROPYLENE , OF A POLYMERIC MODIFIER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF (1) A MONOMER HAVING THE FORMULA:
Claim 2
Dependent Claim
21 words
THE FIBER OF CLAIM 2 IN WHICH THE POLYMERIC MODIFIBER IS A COPOLYMER OF A MONOMER (1) WITH A MONOMER (A).
Claim 3
Dependent Claim
20 words
THE FIBER OF CLAIM 2 IN WHICH THE POLYMERIC MODIFIER IS A COPOLYMER OF AMONOMER (1) WITH A MONOMER (B).
Claim 4
Dependent Claim
21 words
THE FIBER OF CLAIM 2 IN WHICH THE POLYMERIC MODIFIER IS A COPOLYMER OF A MONOMER (1) WITH A MONOMER (C).
Claim 5
Dependent Claim
30 words
POLYPROPYLENE FIBER EXHIBITING EXCELLENT DYE AFFINITY, LIGHT AND GAS FASTENSS, RESISTANCE TO OXIDATION ANDWEATHERING, SAID FIBERCONTAINING ABOUT 1 TO ABOUT 25% BY WEIGHT, BASED ON THE FIBER, OF POLY(METHYL METHACRYLATE).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |