Patent US2975290A successfully refreshed from Google Patents.
US3105058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped articles of polyvinyl alcohol polymer blends
Assignee: Kurashiki Rayon Co Ltd
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Filing: 1958-06-13
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Granted: 1963-09-24
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Osugi Tetsuro
- 👤 Matsumoto Masakazu
- 👤 Tanabe Kenichi
- 👤 Hirano Yutaka
- 👤 Ohno Yasuji
- 👤 Matsubayashi Kanji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/028; C01; C01F; C01F15/00; C08G73/0206; C08G73/0213; C08G73/022; C08L; C08L29/00; C08L29/02; C08L29/04; C08L31/00; C08L31/02; C08L31/04; C08L79/00; C08L79/02; Y; Y10; Y10S; Y10S8/00; Y10S8/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
257 words
AN ORIENTED FIBER HAVING IMPROVED DYEABILITY COMPRISING A BELND OF AT LEAST 30% BY WEIGHT OF A VINYL ALCOHOL POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL CONTAINING VINYL ALCOHOL UNITS AND A VUNYL ALCOHOL POLYMER, CONTAINING VINYL ALCOHOL UNITS AND ACETALIZED VINYL ALCOHOL UNITS, IN UNIFORM ADMIXTURE WITH A NITROGEN-CONTAINING WATER-SOLUBLE POLYMER, IN A QUANTITY TO IMPART TO THE FIBER A NITROGEN CONTENT IN THE RANGE OF 0.1 TO 5% BY WEIGHT BASED ON THE QUANTITY OF VINYL ALCOHOL UNITS IN SAID VINYL ALCOHOL POLYMER, SAID WATERSOLUBLE NITROGEN-CONTAINING POLYMERS BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF AN EPIHALOHYDRIN AND AMMONIA, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF EPIHALOHYDRIN AND A PRIMARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF AN EPIHALOHYDRIN AND A DI-SECONDARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIHALOHYDRIN AND AMMONIA, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIHALOHYDRIN AND A PRIMARY AMINE, WATER-SOLUBLE POLYXONDENSATION PRODUCTS OF A DIHALOHYDRIN AND A DI-SECONDARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND AMMONIA, WATER SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND A PRIMARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND A DI-SECONDARY AMINE, WATER SOLUBLE POLYMERIC ALKYLENIMINES, HOMOPOLYMERS OF ALLYL AMINE, COPOLYMERS OF ALLYL AMINE AND VINYL ACETATE, HOMOPOLYMERS OF VINYL PYRIDINE, COPOLYMERS OF VINYL PYRIDINE AND VINYL ACETATE, HOMOPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRIDINE, COPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRIDINE AND VINYL ACETATE, WATER SOLUBLE POLYAMINOTRIAZOLES, HOMOPOLYMERS OF VINYL PYRROLIDONE, COPOLYMERS OF VINYL PYRROLIDONE AND VINYL ACETATE, HOMOPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRROLIDONE, AND COPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRROLIDONE AND VINYL ACETATE.
Claim 2
Dependent Claim
257 words
AN ORIENTED FIBER HAVING IMPROVED DYEABILITY COMPRISING A BELND OF AT LEAST 30% BY WEIGHT OF A VINYL ALCOHOL POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL CONTAINING VINYL ALCOHOL UNITS AND A VUNYL ALCOHOL POLYMER, CONTAINING VINYL ALCOHOL UNITS AND ACETALIZED VINYL ALCOHOL UNITS, IN UNIFORM ADMIXTURE WITH A NITROGEN-CONTAINING WATER-SOLUBLE POLYMER, IN A QUANTITY TO IMPART TO THE FIBER A NITROGEN CONTENT IN THE RANGE OF 0.1 TO 5% BY WEIGHT BASED ON THE QUANTITY OF VINYL ALCOHOL UNITS IN SAID VINYL ALCOHOL POLYMER, SAID WATERSOLUBLE NITROGEN-CONTAINING POLYMERS BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF AN EPIHALOHYDRIN AND AMMONIA, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF EPIHALOHYDRIN AND A PRIMARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF AN EPIHALOHYDRIN AND A DI-SECONDARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIHALOHYDRIN AND AMMONIA, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIHALOHYDRIN AND A PRIMARY AMINE, WATER-SOLUBLE POLYXONDENSATION PRODUCTS OF A DIHALOHYDRIN AND A DI-SECONDARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND AMMONIA, WATER SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND A PRIMARY AMINE, WATER-SOLUBLE POLYCONDENSATION PRODUCTS OF A DIEPOXIDE AND A DI-SECONDARY AMINE, WATER SOLUBLE POLYMERIC ALKYLENIMINES, HOMOPOLYMERS OF ALLYL AMINE, COPOLYMERS OF ALLYL AMINE AND VINYL ACETATE, HOMOPOLYMERS OF VINYL PYRIDINE, COPOLYMERS OF VINYL PYRIDINE AND VINYL ACETATE, HOMOPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRIDINE, COPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRIDINE AND VINYL ACETATE, WATER SOLUBLE POLYAMINOTRIAZOLES, HOMOPOLYMERS OF VINYL PYRROLIDONE, COPOLYMERS OF VINYL PYRROLIDONE AND VINYL ACETATE, HOMOPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRROLIDONE, AND COPOLYMERS OF AN ALKYL SUBSTITUTED VINYL PYRROLIDONE AND VINYL ACETATE.
Claim 3
Dependent Claim
18 words
THE ORIENTED FIBER OF CLAIM 1 WHEREIN THE WATER-SOLU BLE NITROGEN-CONTAINING POLYMER IS A HOMOPOLYMER OF VINYL PYRIDINE.
Claim 4
Dependent Claim
17 words
THE ORIENTED FIBER OF CLAIM 1 WHEREIN THE WATER-SOLUBLE NITROGEN-CONTAINING POLYMER IS A HOMOPOLYMER OF VINYL PYRROLIDONE.
References Cited (Backward Citations)
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |