US3036974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of polyester amides
Assignee: BASF SE
•
Filing: 1956-05-01
•
Granted: 1962-05-29
•
Expires: 1976-05-01
Abstract
No abstract record available.
Inventors
- 👤 Trieschmann Hans Georg
- 👤 Reuter Lothar
- 👤 Arend Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A RESINOUS POLYESTER AMIDE CONSISTING ESSENTIALLY OF THE RECURRING FUNDAMENTAL UNIT
Claim 2
Dependent Claim
11 words
A RESINOUS POLYESTER AMIDE CONSISTING ESSENTIALLY OF THE RECURRING FUNDAMENTAL UNIT
References Cited (Backward Citations)
GB376929A
Cited
DE711408C
Cited
DE714585C
Cited
US2440516A
Cited
US2403533A
Cited
US2527806A
Cited
US2740764A
Cited
US2744093A
Cited
US2779783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |