US2873275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reacting acid derivatives with specified organomagnesium chlorides
Assignee: Primerica Inc
•
Filing: 1955-11-28
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Granted: 1959-02-10
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Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
184 words
A PROCESS COMPRISING REACTING AN ACID DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF ETHYL MALONATE, ETHYL SUCCINATE, ETHYL PHTHALATE, METHYL FORMATE, ETHYL ACETATE, BUTYL LAURATE, METHYL OLEATE, DIETHYL OXALATE, DIBUTYL SUCCINATE. DIMETHYL ADIPATE, DIMETHYL SEBACATE, DIETHYL ANISATE, ATE, DIETHYL TEREPHTHALATE, METHYL BENZOATE, METHYL ANISATE, METHYL FUROATE, METHYL NICOTINATE, BUTY 2,4-DICHLOROPHENOXYACETATE, METHYL, LEVULINATE, MONOETHYL, SUCCINATE DIETHYL SEBACATE, ETHYL PERFLUOROBUTYRATE, ETHYL PERFLUOROCAPRATE, ETHYL TRICHLOROACETATE, DIOCTYL OXALATE, ETHYL TRIFLUOROACETATE, BUTYL ACETATE, METHYL ACRYLATE, ACETYL CHLORIDE, BUTYRYL CHLORIDE, BENZOYL CHLORIDE, OXALYL CHLORIDE, ADIPOYL DICHLORIDE, FUROYL CHLORIDE, ACETONITRILE, BUTYRONITRILE, BENZONITRILE, ACRYLONITRILE AND FUMARONITRIE, WITH AN ORGANOMAGNESUIM CHLORIDE, IN THE PRESENCE OF COMPONND Q; SAID ORGANOMAGNESUIM CHLORIDE, BEING PREPARED BY REACTING AN ORGANIC CHLORIDE OF THE FORMULA RCI WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF ARYL, VINYL AND AROMATIC-HETEROCYCLIC RADICALS, WITH MAGNESIUM IN COMPOUND Q; WHEREIN SAID COMPOUND Q IS SELECTED FROM THE CLASS CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, 2-ETHOXY-TETRAHYDROPYRAN, SIHYDROPYRAN, TETRAHYDRO FURFURYL ETHYL ETHER AND 2-METHYL TETRAHYDROFURAN; WHEREIN SAID AROMATIC-HETEROCYCLIC RADICAL IS SELECTED FROM THE CLASS CONSISTING OF 2-THIENYL. 2-PYRIDYL, A-FURYL, 5CHLORO-2-THIENYL, 2 - NEBZOTHIAZOLY, 2 - BENZOXAZOLYL, 2METHYL-5-BENZOSTHUAZOLYL, 2-QUINOLYL, 6-QUINOLYL, 8-QUINOLYL, 6-CHLORO-2-METHOXY-9-ACRIDYL, 6-PYRIMIDYL, 4,5,6TRICHLORO-2-PYRIMIDYL, 4,6-DICHLORO-2-PYRIMIDYL AND NMETHYLPYRRYL.
Claim 2
Dependent Claim
184 words
A PROCESS COMPRISING REACTING AN ACID DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF ETHYL MALONATE, ETHYL SUCCINATE, ETHYL PHTHALATE, METHYL FORMATE, ETHYL ACETATE, BUTYL LAURATE, METHYL OLEATE, DIETHYL OXALATE, DIBUTYL SUCCINATE. DIMETHYL ADIPATE, DIMETHYL SEBACATE, DIETHYL ANISATE, ATE, DIETHYL TEREPHTHALATE, METHYL BENZOATE, METHYL ANISATE, METHYL FUROATE, METHYL NICOTINATE, BUTY 2,4-DICHLOROPHENOXYACETATE, METHYL, LEVULINATE, MONOETHYL, SUCCINATE DIETHYL SEBACATE, ETHYL PERFLUOROBUTYRATE, ETHYL PERFLUOROCAPRATE, ETHYL TRICHLOROACETATE, DIOCTYL OXALATE, ETHYL TRIFLUOROACETATE, BUTYL ACETATE, METHYL ACRYLATE, ACETYL CHLORIDE, BUTYRYL CHLORIDE, BENZOYL CHLORIDE, OXALYL CHLORIDE, ADIPOYL DICHLORIDE, FUROYL CHLORIDE, ACETONITRILE, BUTYRONITRILE, BENZONITRILE, ACRYLONITRILE AND FUMARONITRIE, WITH AN ORGANOMAGNESUIM CHLORIDE, IN THE PRESENCE OF COMPONND Q; SAID ORGANOMAGNESUIM CHLORIDE, BEING PREPARED BY REACTING AN ORGANIC CHLORIDE OF THE FORMULA RCI WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF ARYL, VINYL AND AROMATIC-HETEROCYCLIC RADICALS, WITH MAGNESIUM IN COMPOUND Q; WHEREIN SAID COMPOUND Q IS SELECTED FROM THE CLASS CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, 2-ETHOXY-TETRAHYDROPYRAN, SIHYDROPYRAN, TETRAHYDRO FURFURYL ETHYL ETHER AND 2-METHYL TETRAHYDROFURAN; WHEREIN SAID AROMATIC-HETEROCYCLIC RADICAL IS SELECTED FROM THE CLASS CONSISTING OF 2-THIENYL. 2-PYRIDYL, A-FURYL, 5CHLORO-2-THIENYL, 2 - NEBZOTHIAZOLY, 2 - BENZOXAZOLYL, 2METHYL-5-BENZOSTHUAZOLYL, 2-QUINOLYL, 6-QUINOLYL, 8-QUINOLYL, 6-CHLORO-2-METHOXY-9-ACRIDYL, 6-PYRIMIDYL, 4,5,6TRICHLORO-2-PYRIMIDYL, 4,6-DICHLORO-2-PYRIMIDYL AND NMETHYLPYRRYL.
Claim 3
Dependent Claim
13 words
THE PROCESS ACCORDING TO CLAIM 1 IN WHICH R IS THE VINYL RADICAL.
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |