US2863906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
alpha, beta-dichloro-gamma, gamma, gamma-trifluorocrotonic acid and derivatives thereof
Assignee: Hooker Chemical Corp
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Filing: 1955-06-17
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Granted: 1958-12-09
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Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Charles F Baranauckas
- 👤 William E Ashton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/52; C07C51/00; C07C51/093; C07C51/54; C07C51/56; C07C51/58; C07C51/60; C07C69/00; C07C69/62; C07C69/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF: A,B-DICHLORO-$,$,$-TRIFLUOROCROTONIC ACID; THE ACID ANHYDRIDE THEREOF: THE ACID HALIDE THEREOF; THE ALKALI AND ALKALINE EARTH METAL SALTS THEREOF; THE NITRILE THEREOF; THE N(R)2 AMIDES THEREOF WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, PHENYL, PHENYLLOWER ALKYL AND ETHYLENEAMINO N-A,B-DICHLORO,-$,$,$-TRIFLUOROCROTONYL; AND ESTERS OF SAID ACID AND MONO AND DIHYDRIC ALCOHOLS WHEREIN THE ALCOHOL PORTION OF SAID ESTERS CONTAINS FROM 1 TO 8 CARBON ATOMS AND WHEREIN THE ELEMENTS OF THE ALCOHOL PORTION OF SAID ESTERS ARE SELECTED FROM THE GROUPS CONSISTING OF FLUORINE, CARBON, HYDROGEN AND OXYGEN; AND CARBON, HYDROGEN AND OXYGEN.
Claim 2
Dependent Claim
102 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF: A,B-DICHLORO-$,$,$-TRIFLUOROCROTONIC ACID; THE ACID ANHYDRIDE THEREOF: THE ACID HALIDE THEREOF; THE ALKALI AND ALKALINE EARTH METAL SALTS THEREOF; THE NITRILE THEREOF; THE N(R)2 AMIDES THEREOF WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, PHENYL, PHENYLLOWER ALKYL AND ETHYLENEAMINO N-A,B-DICHLORO,-$,$,$-TRIFLUOROCROTONYL; AND ESTERS OF SAID ACID AND MONO AND DIHYDRIC ALCOHOLS WHEREIN THE ALCOHOL PORTION OF SAID ESTERS CONTAINS FROM 1 TO 8 CARBON ATOMS AND WHEREIN THE ELEMENTS OF THE ALCOHOL PORTION OF SAID ESTERS ARE SELECTED FROM THE GROUPS CONSISTING OF FLUORINE, CARBON, HYDROGEN AND OXYGEN; AND CARBON, HYDROGEN AND OXYGEN.
References Cited (Backward Citations)
US2730543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |