Patent US1191233A successfully refreshed from Google Patents.
Patent US2955108A successfully refreshed from Google Patents.
US2955108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for 1,1,1-trisubstituted hydrazinium chlorides
Assignee: Ohio State University Research Foundation
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Filing: 1957-01-07
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Granted: 1960-10-04
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Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 George M Omietanski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:15
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; B; B01; B01J; B01J39/00; B01J39/08; B01J39/16; B01J39/18; B01J39/19; C07D209/00; C07D209/56; C07D209/80; C07D209/82; C07D209/86; C07D211/00; C07D211/92; C07D211/98; C07D219/00; C07D219/04; C07D219/08; C07D219/10; C07D219/12; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/44; C07D231/46; C07D231/48; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C07D295/22; C07D295/28; C07D295/30; C07D401/00; C07D401/02; C07D401/04; C07D409/00; C07D409/02; C07D409/12; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10; C07D453/00; C07D453/02; C07D453/04; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/1875; C09; C09B; C09B44/00; C09B44/02; C09B44/04; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A METHOD OF MAKING ORGANIC CATION ACTIVE CHLORIDES HAVING THE STRUCTURAL CHARACTERISTIC:
Claim 2
Independent Claim
12 words
A METHOD OF MAKING ORGANIC CATION ACTIVE CHLORIDES HAVING THE STRUCTURAL CHARACTERISTIC:
References Cited (Backward Citations)
GB401302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |