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US2873275A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of reacting acid derivatives with specified organomagnesium chlorides

Assignee: Primerica Inc
•
Filing: 1955-11-28
•
Granted: 1959-02-10
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Expires: 1975-11-28
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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

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