Patent US4278332A successfully refreshed from Google Patents.
Patent US2830030A successfully refreshed from Google Patents.
US2830030A
Expired / Lapsed
US
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Solution of terephthalate polyester
Assignee: Hoechst AG
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Filing: 1954-03-09
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Granted: 1958-04-08
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Expires: 1974-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fuchs Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:14
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08J2367/00; C08J2367/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A SOLUTION COMPRISING AN ALIPHATIC GLYCOL POLYESTER OF TEREPHTHALIC ACID DISSOLVED IN BENZYL ALCOHOL SUBSTITUED IN THE NUCLEUS BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF -NO2 AND -CL.
Claim 2
Dependent Claim
30 words
A SOLUTION COMPRISING AN ALIPHATIC GLYCOL POLYESTER OF TEREPHTHALIC ACID DISSOLVED IN BENZYL ALCOHOL SUBSTITUED IN THE NUCLEUS BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF -NO2 AND -CL.
References Cited (Backward Citations)
GB609947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |