US3109858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsymmetrical organoboron dicarboxylic acids and process for their synthesis
Assignee: Olin Corp
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Filing: 1959-11-06
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Granted: 1963-11-05
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Ager
- 👤 Roy P Alaxander
- 👤 Theodore L Heying
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:47
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C06; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
RR''B10H8(CR"CR"'') WHEREIN R AND R'' ARE EACH SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND AN ALKYL RADICAL CONTAINING 1 TO 5 CARBON ATOMS AND WHEREIN ONE OF R" AND R"'' IS A CARBOXYL GROUP AND ONE OF R" AND R"'' IS A CARBOXYALKYL GROUP CONTAINING 2 TO 8 CARBON ATOMS.
Claim 2
Dependent Claim
51 words
RR''B10H8(CR"CR"'') WHEREIN R AND R'' ARE EACH SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND AN ALKYL RADICAL CONTAINING 1 TO 5 CARBON ATOMS AND WHEREIN ONE OF R" AND R"'' IS A CARBOXYL GROUP AND ONE OF R" AND R"'' IS A CARBOXYALKYL GROUP CONTAINING 2 TO 8 CARBON ATOMS.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |