US3205181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calcium-cobaltous phosphate catalyst
Assignee: Baugh Chemical Co
•
Filing: 1963-02-28
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Granted: 1965-09-07
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Robert S Bowman
- 👤 James M Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:03
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; B; B01; B01J; B01J27/00; B01J27/14; B01J27/185; B01J27/1853; C07D241/00; C07D241/02; C07D241/10; C07D241/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A CALCIUM-COBALTOUS PHOSPHATE DEHYDROGENATION CATALYST CONSISTING ESSENTIALLY OF, ANALYTICALY, BY WEIGHT ABOUT 4 TO 14 PERCENT OF CABALTOUS OXIDE AND THE REMAINDER CAO AND P2O5 IN WEIGHT RATIOS RANGING FROM CAO:P2O5 EQUALS 1:1 TO CAO:P2O5 LESS THAN ABOUT 1:6:1.
Claim 2
Dependent Claim
39 words
A CALCIUM-COBALTOUS PHOSPHATE DEHYDROGENATION CATALYST CONSISTING ESSENTIALLY OF, ANALYTICALY, BY WEIGHT ABOUT 4 TO 14 PERCENT OF CABALTOUS OXIDE AND THE REMAINDER CAO AND P2O5 IN WEIGHT RATIOS RANGING FROM CAO:P2O5 EQUALS 1:1 TO CAO:P2O5 LESS THAN ABOUT 1:6:1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |