US2623059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beta-dithiocarbazyl carboxylic acid compounds and their preparation
Assignee: Goodrich Corp
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Filing: 1950-12-16
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Granted: 1952-12-23
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Expires: 1970-12-16
Abstract
No abstract record available.
Inventors
- 👤 Roger A Mathes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:55
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/104; C08J9/105; C08K; C08K5/00; C08L; C08L21/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
THE METHOD OF PREPARING A BETA-DITHIOCARBAZYL CARBOXYLIC ACID COMPOUND WHICH COMPRISES REACTING IN AQUEOUS SOLUTION A WATER-SOLUBLE SATURATED ALIPHATIC BETA-LACTONE WITH A WATERSOLUBLE SALT OF A DITHIOCARBAZIC ACID.
Claim 2
Independent Claim
28 words
THE METHOD OF PREPARING A BETA-DITHIOCARBAZYL CARBOXYLIC ACID COMPOUND WHICH COMPRISES REACTING IN AQUEOUS SOLUTION A WATER-SOLUBLE SATURATED ALIPHATIC BETA-LACTONE WITH A WATERSOLUBLE SALT OF A DITHIOCARBAZIC ACID.
Claim 3
Dependent Claim
13 words
AS A NEW CHEMICAL COMPOUND, A BETA-DITHIOCARBAZYL CARBOXYLIC ACID COMPOUND OF THE STRUCTURE
Claim 4
Dependent Claim
13 words
AS A NEW CHEMICAL COMPOUND, A BETA-DITHIOCARBAZYL CARBOXYLIC ACID COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2474839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |