Patent US3328443A successfully refreshed from Google Patents.
US3328443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New tetrakis(organophosphorus) nickel, tetrakis(organoarsenic) nickel, and tetrakis(organoantimony) nickel complexes and methods of preparing the same
Assignee: Columbian Carbon Co
•
Filing: 1960-12-05
•
Granted: 1967-06-27
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Reginald F Clark
- 👤 Charles D Storrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07F; C07F15/00; C07F15/04; C07F15/045; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16; C08F36/00; C08F36/02; C08F36/04; C08F4/00; C08F4/06; B01J31/1895; C07C2531/00; C07C2531/16; C07C2531/22; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NEW COMPOSITION OF MATTER OF THE FORMULA
Claim 2
Dependent Claim
8 words
A NEW COMPOSITION OF MATTER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |