US2580459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of halogenated aryl fatty acids
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1946-11-27
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Granted: 1952-01-01
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Expires: 1966-11-27
Abstract
No abstract record available.
Inventors
- 👤 Papa Domenick
- 👤 Schwenk Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; C; C07; C07C; C07C57/00; C07C57/52; C07C57/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A METHOD OF HALOGENATING PHENYL FATTY ACIDS WHICH COMPRISES TREATING A PHENYL SATURATED ALIPHATIC CARBOXYLIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACIDS OF THE GENERAL FORMULA
Claim 2
Independent Claim
28 words
A METHOD OF HALOGENATING PHENYL FATTY ACIDS WHICH COMPRISES TREATING A PHENYL SATURATED ALIPHATIC CARBOXYLIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACIDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |