Patent US3098078A successfully refreshed from Google Patents.
US3098078A
Expired / Lapsed
US
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Thio alkane carboxylic acids and functional derivatives thereof
Assignee: BASF Corp
•
Filing: 1959-02-05
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Granted: 1963-07-16
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Druey Jean
- 👤 Daeniker Hans Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:59
CPC Classifications
C; C07; C07C; C07C323/00; C07C321/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
B-METHYL-B-HYDROXY-$-MERCAPTO-VALERIC ACID-$-THIOLACTONE.
Claim 2
Dependent Claim
2 words
B-METHYL-B-HYDROXY-$-MERCAPTO-VALERIC ACID-$-THIOLACTONE.
Claim 3
Dependent Claim
12 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
12 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2872455A
Cited
US2745745A
Cited
US2946818A
Cited
US2915398A
Cited
US2915531A
Cited
US2945059A
Cited
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 |