US3238152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of polymeric organic boron-nitrogen compounds
Assignee: Bayer AG
•
Filing: 1963-04-08
•
Granted: 1966-03-01
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Horn Elmar-Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:16
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A PROCESS FOR THE PRODUCTION OF POLYMERIC ORGANIC BORON-NITROGEN COMPOUNDS WHICH COMPRISES HEATING AN AMINE-BORINE
Claim 2
Dependent Claim
15 words
A PROCESS FOR THE PRODUCTION OF POLYMERIC ORGANIC BORON-NITROGEN COMPOUNDS WHICH COMPRISES HEATING AN AMINE-BORINE
References Cited (Backward Citations)
US3011992A
Cited
US3011991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |