US3290352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthohydroxybenzyl borates
Assignee: Rhone Poulenc SA
•
Filing: 1962-03-28
•
Granted: 1966-12-06
•
Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 Marchand Pierre Andre Robert
- 👤 Grenet Jean Baptiste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:51
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/02; C07C39/11; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
TRI(ORTHO-HYDROXYBENZYL)METABORATES OF THE FORMULA:
Claim 2
Dependent Claim
4 words
TRI(ORTHO-HYDROXYBENZYL)METABORATES OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |