Patent US3047631A successfully refreshed from Google Patents.
US3047631A
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Dialkylhydroxybenzyl sulfonium salts
Assignee: Shell USA Inc
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Filing: 1960-12-08
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Granted: 1962-07-31
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Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 Albert L Rocklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:53
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0071; C07; C07C; C07C381/00; C07C381/12; C08; C08K; C08K5/00; C08K5/36; C09; C09K; C09K15/00; C09K15/04; C09K15/12; C09K15/14; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AS A NEW COMPOSITION OF MATTER, A 3,5-DIALKYL-4-HYDROXYBENYL SULFONIUM HALIDE HAVING THE FORMULA:
Claim 2
Dependent Claim
13 words
AS A NEW COMPOSITION OF MATTER, A 3,5-DIALKYL-4-HYDROXYBENYL SULFONIUM HALIDE 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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |