US2878256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-cyclohexyl borates
Assignee: US Borax Inc
•
Filing: 1955-06-24
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Granted: 1959-03-17
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Expires: 1975-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hunter Don Lester
- 👤 Edgar W Fajans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:06
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C07; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A TRI-CYCLOHEXYL BORATE IN WHICH EACH OF THE CYCLOHEXYL NUCLEI IS SUBSTITUTED AT THE 2-POSITION BY A MEMBER OF THE GROUP CONSISTING OF PHENYL, NAPHATHYL, CYCLOHEXYL AND HALOGEN SUBSTITUTED DERIVATIVES THEREFORE AND IS FURTHER SUBSTITUTED BY A NUMBER BETWEEN ZERO AND ONE INCLUSIVE OF RADICALS, EACH OF WHICH IS SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND PHENYL.
Claim 2
Dependent Claim
58 words
A TRI-CYCLOHEXYL BORATE IN WHICH EACH OF THE CYCLOHEXYL NUCLEI IS SUBSTITUTED AT THE 2-POSITION BY A MEMBER OF THE GROUP CONSISTING OF PHENYL, NAPHATHYL, CYCLOHEXYL AND HALOGEN SUBSTITUTED DERIVATIVES THEREFORE AND IS FURTHER SUBSTITUTED BY A NUMBER BETWEEN ZERO AND ONE INCLUSIVE OF RADICALS, EACH OF WHICH IS SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND PHENYL.
References Cited (Backward Citations)
US2413718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |