Patent US3154575A successfully refreshed from Google Patents.
US3154575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-substituted ammonium salts of 2, 3, 6-trichloro-5-nitrobenzoic acid
Assignee: Hooker Chemical Corp
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Filing: 1962-11-29
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Granted: 1964-10-27
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:04
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/58
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A SUBSTITUTED AMMONIUM SALT OF 2,3,6-TRICHLORO-5NITROBENZOIC ACID SELECTED FROM THE GROUP CONSISTING OF THE N-ALKYLAMMONIUM SALTS HAVING NOT MORE THAN 18 CARBON ATOMS, THE N-(HYDROXY ALKYL) AMMONIUM SALTS HAVING 2 TO 3 CARBON ATOMS, N-CYCLOALKYLAMMONIUM SALTS HAVING NOT MORE THAN 10 CARBON ATOMS, THE N-(AROMATIC HYDROCARBYL) AMMONIUM SALTS HAVING NOT MORE THAN 10 CARBON ATOMS, THE PIPERIDINIUM SALT, THE PYRROLIDINIUM SALT, THE MORPHOLINIUM SALT, THE N-METHY MORPHOLINIUM SALT, THE ANILINIUM SALT, THE NE N-METHY MORPHOLINIUM SALT, N,N-DIMETHYL ANILINIUM SALT
Claim 2
Dependent Claim
79 words
A SUBSTITUTED AMMONIUM SALT OF 2,3,6-TRICHLORO-5NITROBENZOIC ACID SELECTED FROM THE GROUP CONSISTING OF THE N-ALKYLAMMONIUM SALTS HAVING NOT MORE THAN 18 CARBON ATOMS, THE N-(HYDROXY ALKYL) AMMONIUM SALTS HAVING 2 TO 3 CARBON ATOMS, N-CYCLOALKYLAMMONIUM SALTS HAVING NOT MORE THAN 10 CARBON ATOMS, THE N-(AROMATIC HYDROCARBYL) AMMONIUM SALTS HAVING NOT MORE THAN 10 CARBON ATOMS, THE PIPERIDINIUM SALT, THE PYRROLIDINIUM SALT, THE MORPHOLINIUM SALT, THE N-METHY MORPHOLINIUM SALT, THE ANILINIUM SALT, THE NE N-METHY MORPHOLINIUM SALT, N,N-DIMETHYL ANILINIUM SALT
Claim 3
Dependent Claim
6 words
THE HYDROCARBYLAMMONIUM SALTS OF 2,3,6-TRICHLORO5-NITROBENZOIC ACID.
Claim 4
Dependent Claim
6 words
THE HYDROCARBYLAMMONIUM SALTS OF 2,3,6-TRICHLORO5-NITROBENZOIC ACID.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |