US2688638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-(beta-phenoxyethyl) haloethylamines
Assignee: Givaudan Roure Corp
•
Filing: 1951-07-17
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Granted: 1954-09-07
•
Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 William S Gump
- 👤 Nikawitz Edward Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:55
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12; C07C213/00; C07C213/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ACID ADDITION SALTS WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF AN INORGANIC ACID AND A LOWER ALKANE SULFONIC ACID, SAID FREE BASE HAVING THE FORMULA
Claim 2
Dependent Claim
38 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ACID ADDITION SALTS WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF AN INORGANIC ACID AND A LOWER ALKANE SULFONIC ACID, SAID FREE BASE HAVING THE FORMULA
References Cited (Backward Citations)
US2495772A
Cited
US2599001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |