Patent US3183242A successfully refreshed from Google Patents.
US3183242A
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Process for the production of 3-benzoyl derivatives of substituted hydantoins
Assignee: Evonik Operations GmbH
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Filing: 1963-05-29
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Granted: 1965-05-11
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Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Dithmar Karl
- 👤 Naujoks Elfriede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:44
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D3/392; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/80; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
IN A PROCESS FOR THE PRODUCTION OF A BENZOYLATED HYDANTOIN DERIVATIVE OF THE FORMULA
Claim 2
Dependent Claim
14 words
IN A PROCESS FOR THE PRODUCTION OF A BENZOYLATED HYDANTOIN DERIVATIVE OF THE FORMULA
References Cited (Backward Citations)
US3117139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |