Patent US2844584A successfully refreshed from Google Patents.
US2844584A
Expired / Lapsed
US
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Sulfonic acid condensation products and methods of producing the same
Assignee: Boehme Fettchemie GmbH
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Filing: 1954-08-03
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Granted: 1958-07-22
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Expires: 1974-08-03
Abstract
No abstract record available.
Inventors
- 👤 Gundel Wolfgang
- 👤 Haas Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:52
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/21; C07C; C07C327/00; C07C329/00; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/163
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
THE PROCESS OF PRODUCING A COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
10 words
THE PROCESS OF PRODUCING A COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 3
Dependent Claim
5 words
COMPOUNDS HAVING THE STRUCTURAL FORMULA
Claim 4
Dependent Claim
5 words
COMPOUNDS HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |