Patent US4070642A successfully refreshed from Google Patents.
US2997504A
Expired / Lapsed
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Polynitrated compounds and processes of making them
Assignee: Ohio State University Research Foundation
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Filing: 1951-04-02
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Granted: 1961-08-22
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Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Shechter Harold
- 👤 Ralph B Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:28
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/657; C07C49/665; C07C49/675; C07B; C07B43/00; C07B43/02; C07C201/00; C07C201/06; C07C201/08; C07C2601/00; C07C2601/12; C07C2601/14; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PROCESS FOR THE FORMATION OF GEM POLYNITRO COMPOUNDS WHICH COMPRISES THE BRINGING TOGETHER IN ALKALINE SOLUTION OF (A) A SALT FORMING ORGAINC NITRO COMPOUND HAVING A STRUCTURAL FORMULA OF
Claim 2
Dependent Claim
30 words
A PROCESS FOR THE FORMATION OF GEM POLYNITRO COMPOUNDS WHICH COMPRISES THE BRINGING TOGETHER IN ALKALINE SOLUTION OF (A) A SALT FORMING ORGAINC NITRO COMPOUND HAVING A STRUCTURAL FORMULA OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |