Patent US3098089A successfully refreshed from Google Patents.
US3098089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable lead alkyl compositions and a method for preparing the same
Assignee: Ethyl Corp
•
Filing: 1962-06-08
•
Granted: 1963-07-16
•
Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Shirl E Cook
- 👤 Wilford H Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:38
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/24; C10; C10L; C10L1/00; C10L1/10; C10L1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF INHIBITING THE DECOMPOSITION OF AN ALKYLLEAD COMPOUND AT TEMPERATURES OF FROM ABOUT 100* C. TO ABOUT 195* C. WHICH COMPRISES INCORPORATING WITH SAID COMPOUND FROM ABOUT 5 TO ABOUT 25 WEIGHT PERCENT BASED ON THE WEIGHT OF THE ALKYLLEAD COMPOUND OF A PHENYL ACETYLENIC HYDROCARBON HAVING FROM 8 TO ABOUT 12 CARBON ATOMS IN THE MOLECULE AND HAVING THE FORMULA
Claim 2
Independent Claim
63 words
A METHOD OF INHIBITING THE DECOMPOSITION OF AN ALKYLLEAD COMPOUND AT TEMPERATURES OF FROM ABOUT 100* C. TO ABOUT 195* C. WHICH COMPRISES INCORPORATING WITH SAID COMPOUND FROM ABOUT 5 TO ABOUT 25 WEIGHT PERCENT BASED ON THE WEIGHT OF THE ALKYLLEAD COMPOUND OF A PHENYL ACETYLENIC HYDROCARBON HAVING FROM 8 TO ABOUT 12 CARBON ATOMS IN THE MOLECULE AND HAVING 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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |