US2710848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric linear terephthalates dissolved in a solvent comprising trifluoroacetic acid
Assignee: Eastman Kodak Co
•
Filing: 1953-06-25
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Granted: 1955-06-14
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Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Sterling S Sweet
- 👤 Maurice H Van Horn
- 👤 Philip T Newsome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:38
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08J2367/00; C08J2367/02; Y; Y10; Y10S; Y10S8/00; Y10S8/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A NEW COMPOSITION OF MATTER COMPRISING A HIGHLY POLYMERIC LINEAR TEREPHALATE COMPOSED OF RECURRING STRUCTURAL UNITS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
20 words
A NEW COMPOSITION OF MATTER COMPRISING A HIGHLY POLYMERIC LINEAR TEREPHALATE COMPOSED OF RECURRING STRUCTURAL UNITS OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2497376A
Cited
GB630992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |