US3084070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp size comprising high molecular weight styrene/maleic anhydride copolymer
Assignee: Dow Chemical Co
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Filing: 1958-09-02
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Granted: 1963-04-02
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Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Teot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:44
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
METHOD FOR FINISHING YARN TO FACILITATE ITS CONSTRUCTION INTO CLOTH AND FABRIC WHICH METHOD COMPRISES DEPOSITING ON THE SURFACE OF THE YARN BETWEEN ABOUT 0.5 AND 20 WEIGHT PERCENT, BASED ON THE DRY WEIGHT OF THE YARN, OF A FINISH COMPRISED OF A COPOLYMER OF A MONOVINYL AROMATIC MONOMBER CONTAINING FROM 6 TO ABOUT 10 CARBON ATOMS IN ITS MOLECULE AND MALEIC ANHYDRIDE, SAID COPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 700,000 AND 3,000,000 AND CONTAINING ABOUT EQUIMOLAR PROPORTIONS OF EACH CONSTITUENT IN ITS MOLECULE.
Claim 2
Dependent Claim
85 words
METHOD FOR FINISHING YARN TO FACILITATE ITS CONSTRUCTION INTO CLOTH AND FABRIC WHICH METHOD COMPRISES DEPOSITING ON THE SURFACE OF THE YARN BETWEEN ABOUT 0.5 AND 20 WEIGHT PERCENT, BASED ON THE DRY WEIGHT OF THE YARN, OF A FINISH COMPRISED OF A COPOLYMER OF A MONOVINYL AROMATIC MONOMBER CONTAINING FROM 6 TO ABOUT 10 CARBON ATOMS IN ITS MOLECULE AND MALEIC ANHYDRIDE, SAID COPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 700,000 AND 3,000,000 AND CONTAINING ABOUT EQUIMOLAR PROPORTIONS OF EACH CONSTITUENT IN ITS MOLECULE.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |