US3160604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mbltino fo
Assignee: —
•
Filing: —
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Granted: 1964-12-08
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Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:44
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/19; C08G63/191; C08G63/20; C08G63/40; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/422; H01B3/423; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A SOLUBLE, FUSIBLE, LINEAR SUPERPOLYESTER CONSISTING ESSENTIALLY OF M-PHENYLENE TEREPHTHALATE UNITS INTERSPERSED WITH FROM 0 TO 30 MOL PERCENT OF P-PHENYLENE TEREPHTHALATE UNITS BASED ON THE TOTAL M-PHENYLENE TEREPHTHALATE AND P-PHENYLENE TEREPHTHALATE UNITS, THE INTRINSIC VISCOSITY OF SAID SUPERPOLYESTER BEING AT LEAST 0.5 MEASURED AT 75*C., SAID SUPERPOLYESTERS BEING CAPABLE OF BEING FORMED UNDER HEAT AND PRESSURE INTO TOUGH TRANSPARENT FLEXIBLE ARTICLES.
Claim 2
Dependent Claim
62 words
A SOLUBLE, FUSIBLE, LINEAR SUPERPOLYESTER CONSISTING ESSENTIALLY OF M-PHENYLENE TEREPHTHALATE UNITS INTERSPERSED WITH FROM 0 TO 30 MOL PERCENT OF P-PHENYLENE TEREPHTHALATE UNITS BASED ON THE TOTAL M-PHENYLENE TEREPHTHALATE AND P-PHENYLENE TEREPHTHALATE UNITS, THE INTRINSIC VISCOSITY OF SAID SUPERPOLYESTER BEING AT LEAST 0.5 MEASURED AT 75*C., SAID SUPERPOLYESTERS BEING CAPABLE OF BEING FORMED UNDER HEAT AND PRESSURE INTO TOUGH TRANSPARENT FLEXIBLE ARTICLES.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |