US3245944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising polyamides or polyesters and secondary and/or tertiary polyhaloalcohols
Assignee: EIDP Inc
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Filing: 1961-08-21
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Granted: 1966-04-12
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 William J Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A COMPOSITION OF MATTER COMPRISING, IN INTIMATE HOMOGENOUS SINGLE-PHASE ADMIXTURE, (I) A NORMALLY SOLID, SYNTHETIC, ESSENTIALLY LINEAR CONDENSATION POLYMER OF A MOLECULAR WEIGHT OF AT LEAST 3,000, SAID POLYMER HAVING REPEATING NTERLINEAR UNITS AT LEAST TWO-THIRDS OF WHICH ARE SELECTED FROM THE GROUP CONSISTING OF AMIDO AND ESTER, AND (II) AT LEAST ONE POLYHALOALCOHOL, IN WHICH ALL HALOGEN IS OF ATOMIC NUMBER 9-17, OF THE GROUP CONSISTING OF
Claim 2
Dependent Claim
68 words
A COMPOSITION OF MATTER COMPRISING, IN INTIMATE HOMOGENOUS SINGLE-PHASE ADMIXTURE, (I) A NORMALLY SOLID, SYNTHETIC, ESSENTIALLY LINEAR CONDENSATION POLYMER OF A MOLECULAR WEIGHT OF AT LEAST 3,000, SAID POLYMER HAVING REPEATING NTERLINEAR UNITS AT LEAST TWO-THIRDS OF WHICH ARE SELECTED FROM THE GROUP CONSISTING OF AMIDO AND ESTER, AND (II) AT LEAST ONE POLYHALOALCOHOL, IN WHICH ALL HALOGEN IS OF ATOMIC NUMBER 9-17, OF THE GROUP CONSISTING OF
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |