Patent US3105790A successfully refreshed from Google Patents.
US3105790A
Expired / Lapsed
US
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Sulfur dioxide producing composition and method of using same
Assignee: Trancoa Chemical Corp
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Filing: 1960-06-15
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Granted: 1963-10-01
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Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 Domenic L Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:45
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/04; A61K33/20; A61K33/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE COMBINATION OF CYCLOHEXYLSULFAMIC ACID AND A COMPOUND REACTIONABLE WITH SAID ACID AND WATER FOR USE IN THE GENERATION OF SULFUR DIOXIDE, SAID COMPOUND HAVING A RADICAL SELECTED FROM A GROUP OF RADICALS CONSISTING OF SULFITE, BISULFITE, PYSOULFITE AND METASULFITE, AND AN ENTERIC COAT COBERING SAID COMNINATION.
Claim 2
Dependent Claim
47 words
THE COMBINATION OF CYCLOHEXYLSULFAMIC ACID AND A COMPOUND REACTIONABLE WITH SAID ACID AND WATER FOR USE IN THE GENERATION OF SULFUR DIOXIDE, SAID COMPOUND HAVING A RADICAL SELECTED FROM A GROUP OF RADICALS CONSISTING OF SULFITE, BISULFITE, PYSOULFITE AND METASULFITE, AND AN ENTERIC COAT COBERING SAID COMNINATION.
References Cited (Backward Citations)
US2011587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |