US2878201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester composition and process of making same
Assignee: Solutia Inc
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Filing: 1956-01-09
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Granted: 1959-03-17
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Expires: 1976-01-09
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
2026-10-24 16:14
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08J2367/00; C08J2367/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A NEW COMPOSITION OF MATTER COMPRISING A MISCIBLE MIXTURE OF A SYNTHETIC LINEAR CONDENSATION POLYESTER SELECTED FROM THE GROUP CONSISTING OF (A) PLYESTERS FORMED BY THE REACTION OF AT LEAST ONE AROMATIC DICARBOXYLIC AICD AND AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS AN INTEGER GREATER THAN ONE AND NOT EXCEEDING 10; (B) SAID POLYESTERS MODIFIED BY A CHAIN TERMINATOR SELECTED FROM THE GROUP CONSISTING OF SUBSTANCES HAVING THE GENERAL FORMULA,
Claim 2
Dependent Claim
74 words
A NEW COMPOSITION OF MATTER COMPRISING A MISCIBLE MIXTURE OF A SYNTHETIC LINEAR CONDENSATION POLYESTER SELECTED FROM THE GROUP CONSISTING OF (A) PLYESTERS FORMED BY THE REACTION OF AT LEAST ONE AROMATIC DICARBOXYLIC AICD AND AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS AN INTEGER GREATER THAN ONE AND NOT EXCEEDING 10; (B) SAID POLYESTERS MODIFIED BY A CHAIN TERMINATOR SELECTED FROM THE GROUP CONSISTING OF SUBSTANCES HAVING THE GENERAL FORMULA,
References Cited (Backward Citations)
US2497376A
Cited
GB645032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |