Patent US2510282A successfully refreshed from Google Patents.
US2510282A
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Beta-nitro sulfonic compounds and method of making same
Assignee: Visking Corp
•
Filing: 1946-03-23
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Granted: 1950-06-06
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Expires: 1966-03-23
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Gold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:27
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/06; C07C303/00; C07C303/02; C07C303/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
A CHEMICAL COMPOUND HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
8 words
A CHEMICAL COMPOUND HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 3
Independent Claim
18 words
A METHOD OF PREPARING B-NITRO SULFONIC COMPOUNDS WHICH COMPRISES REACTING A NITRO OLEFIN HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 4
Independent Claim
18 words
A METHOD OF PREPARING B-NITRO SULFONIC COMPOUNDS WHICH COMPRISES REACTING A NITRO OLEFIN HAVING THE FOLLOWING STRUCTURAL FORMULA:
References Cited (Backward Citations)
US405938A
Cited
US2181890A
Cited
US2170380A
Cited
US1999432A
Cited
US2103879A
Cited
FR805092A
Cited
US2363819A
Cited
GB571157A
Cited
US2465803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |