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Patent US3097192A successfully refreshed from Google Patents.
US3097192A
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US
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Elastic filaments from polyesterurethane-urea polymers
Assignee: EIDP Inc
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Filing: 1958-01-09
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Granted: 1963-07-09
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Roberta J Schilit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:56
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/08; C08G18/10; D; D01; D01F; D01F6/00; D01F6/58; D01F6/70; D01F6/72; Y; Y10; Y10S; Y10S264/00; Y10S264/77; Y10S528/00; Y10S528/906; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN ELASTIC FIBER HAVING A TENSILE RECOVERY OF AT LEAST 90%, A STRESS DECAY BELOW ABOUT 20%, AND AN ESSENTIALLY LINEAR POLYMERIC STRUCTURE BEING PROVIDED BY A LINEAR SEGMENTED POLYESTER-URETHANE-UREA POLYMER HAVING A POLYMER MELT TEMPERATURE ABOVE ABOUT 150*C. AND SUBSTANTIALLY COMPLETE SOLUBILITY AT A CONCENTRATION OF 0.5% IN M-CRESOL AT 20*C., SAID SEGMENTED POLYMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRALINEAR STEUCTURAL UNITS HAVING THE FORMULA
Claim 2
Dependent Claim
67 words
AN ELASTIC FIBER HAVING A TENSILE RECOVERY OF AT LEAST 90%, A STRESS DECAY BELOW ABOUT 20%, AND AN ESSENTIALLY LINEAR POLYMERIC STRUCTURE BEING PROVIDED BY A LINEAR SEGMENTED POLYESTER-URETHANE-UREA POLYMER HAVING A POLYMER MELT TEMPERATURE ABOVE ABOUT 150*C. AND SUBSTANTIALLY COMPLETE SOLUBILITY AT A CONCENTRATION OF 0.5% IN M-CRESOL AT 20*C., SAID SEGMENTED POLYMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRALINEAR STEUCTURAL UNITS HAVING THE FORMULA
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |