Patent US1101702A successfully refreshed from Google Patents.
Patent US3037040A successfully refreshed from Google Patents.
US3037040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbyltin salts of substituted succinic acids
Assignee: Union Carbide Corp
•
Filing: 1958-05-21
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Granted: 1962-05-29
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Expires: 1978-05-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Anderson
- 👤 Robert G Kelso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AS A NEW COMPOSITION OF MATTER, A DIHYDROCARBYLTIN ALIPHATIC-SUBSTITUTED SUCCINATE REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
15 words
AS A NEW COMPOSITION OF MATTER, A DIHYDROCARBYLTIN ALIPHATIC-SUBSTITUTED SUCCINATE REPRESENTED BY THE GENERAL FORMULA:
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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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |