US2952652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of polyesters in substituted phosphoric amides and process for making same
Assignee: Solutia Inc
•
Filing: 1958-09-04
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Granted: 1960-09-13
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Expires: 1978-09-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Beindorff
- 👤 Witt Hobson D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:04
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/098; C08K; C08K5/00; C08K5/49; C08K5/5399; C08L; C08L67/00; C08L67/02; C08J2367/00; C08J2367/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A NEW COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS, MISCIBLE MIXTURE OF A SYNTHETIC LINEAR CONDENSATION POLYESTER AND A SOLVENT HAVING THE FORMULA:
Claim 2
Dependent Claim
22 words
A NEW COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS, MISCIBLE MIXTURE OF A SYNTHETIC LINEAR CONDENSATION POLYESTER AND A SOLVENT HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |