US3090766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymer of a linear polyester condensation product and nu-vinyl-3-morpholinone and process of making same
Assignee: Dow Chemical Co
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Filing: 1959-01-07
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Granted: 1963-05-21
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Stanton George William
- 👤 Teddy G Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; D06M14/26; D06M14/30; D06M14/32; C; C08; C08F; C08F283/00; C08F283/02; D06M14/08; D06M14/12; D06M14/14; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
DYE-RECEPTIVE GRAFT, COPOLYMER COMPOSITION COMPRISES OF (1) A FIBER-FORMING, SYNTHETIC, LINEAR POLYESTER WHICH IS A CONDENSATION PRODUCT OF GLYCOL AND A DICARBOXYLIC ORGANIC ACID AND CONTAINS RECURRING ESTER GROUPS AN AN INTEGRAL PART OF THE MAIN POLYMER CHAIN SEPARATED BY AT LAST TWO CARBON ATOMS HAVING ALONG ITS CHAIN, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, UP TO ABOUT 20 WEIGHT PERCENT, BASED ON GRAFT COPOLYMER COMPOSITION WEIGHT, OF (2) POLYMERIZED N-VINYL-3-MORPHOLINONE.
Claim 2
Dependent Claim
70 words
DYE-RECEPTIVE GRAFT, COPOLYMER COMPOSITION COMPRISES OF (1) A FIBER-FORMING, SYNTHETIC, LINEAR POLYESTER WHICH IS A CONDENSATION PRODUCT OF GLYCOL AND A DICARBOXYLIC ORGANIC ACID AND CONTAINS RECURRING ESTER GROUPS AN AN INTEGRAL PART OF THE MAIN POLYMER CHAIN SEPARATED BY AT LAST TWO CARBON ATOMS HAVING ALONG ITS CHAIN, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, UP TO ABOUT 20 WEIGHT PERCENT, BASED ON GRAFT COPOLYMER COMPOSITION WEIGHT, OF (2) POLYMERIZED N-VINYL-3-MORPHOLINONE.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |