John E Larkin

US Patent:

39609537, Jun 1, 1976

Filed:

Dec 12, 1974

Appl. No.:

5/532421

Inventors:

Roger G. Duranleau - Ardonia NY
John M. Larkin - Wappingers Falls NY

Assignee:

Texaco Inc. - New York NY

International Classification:

C07C13100

US Classification:

260566A

Abstract:

Novel acylhydroximyl halides are provided and prepared by contacting a nitroalkanone with a halogen acid in the presence of an organic acid or alcohol.

US Patent:

48102610, Mar 7, 1989

Filed:

Feb 19, 1988

Appl. No.:

7/158424

Inventors:

Rodney L. Sung - Fishkill NY
Milton D. Behrens - Fishkill NY
Michael A. Caggiano - Chelsea NY
John F. Knifton - Austin TX
John M. Larkin - Austin TX
Robert L. Zimmerman - Austin TX

Assignee:

Texaco Inc. - White Plains NY

International Classification:

C10L 122

US Classification:

44 62

Abstract:

A novel gasoline-soluble reaction product, a concentrate comprising the reaction product dissolved in a hydrocarbon solvent, and a haze-free, deposit-resistant and ORI-inhibited motor fuel composition comprising the reaction product is described. The reaction product is obtained by reacting a dibasic acid anhydride, a novel diamine containing block copolymers with polyoxyalkylene backbones, and a hydrocarbyl polyamine. Motor fuel compositions containing the reaction product additive of the instant invention are haze-free and show improved deposit-resistance and ORI control in comparison with motor fuels without the reaction product. Motor fuel compositions of the instant invention may optionally comprise a polyolefin polymer/copolymer component having a molecular weight range of about 500-3500.

US Patent:

44206470, Dec 13, 1983

Filed:

Apr 26, 1982

Appl. No.:

6/371859

Inventors:

Kenneth G. Hammond - Poughkeepsie NY
Joseph C. Sendra - Fishkill NY
Lewis W. Watts - Austin TX
Edward T. Marquis - Austin TX
John M. Larkin - Austin TX

Assignee:

Texaco Inc. - White Plains NY

International Classification:

C10M 118
C07C 116
C07C 318

US Classification:

585 10

Abstract:

A synthetic lubricating oil composition comprising a major portion of a synthetic lubricant component or a mixture of a synthetic lubricant component and a hydrocarbon mineral base oil and a minor portion of various additive components is described. The synthetic lubricant component is manufactured from internal olefins. The process for making the synthetic lubricant component utilizes boron trifluoride catalysis with a promoter to produce oligomer mixtures that have surprisingly low viscosities at low temperatures and surprisingly high viscosity indexes as compared with the oligomers found in other methods. It is important that internal olefins be used predominantly to make the oligomers. Alpha olefins make up the balance of the olefins.

US Patent:

40692264, Jan 17, 1978

Filed:

Nov 5, 1976

Appl. No.:

5/739377

Inventors:

Mahmoud S. Kablaoui - Wappingers Falls NY
John M. Larkin - Austin TX
Robert E. Reid - Houston TX

Assignee:

Texaco Inc. - New York NY

International Classification:

C07D26104

US Classification:

260307F

Abstract:

A method of preparing acylisoxazolines by contacting an alkene with dinitrogen tetroxide and oxygen in the presence of a denitrating agent and calcium oxide.

US Patent:

39418464, Mar 2, 1976

Filed:

Apr 19, 1971

Appl. No.:

5/135468

Inventors:

John M. Larkin - Wappingers Falls NY

Assignee:

Texaco Inc. - New York NY

International Classification:

C07C 4906
C07C 4702

US Classification:

260593R

Abstract:

A method of preparing a nitrocarbonyl having at least 4 carbon atoms corresponding to the formula: ##EQU1## by contacting a dinitroalcohol having at least 5 carbon atoms corresponding to the formula: ##EQU2## with an alkaline agent at a temperature of from about 0. degree. to 200. degree. C. A valuable by product recoverable from the reaction is a nitroalkane. The contemplated nitrocarbonyls include nitroketones and nitroaldehydes which are useful as solvents, plasticizers, bactericides, lubricant additives and fuel additives.

US Patent:

40001946, Dec 28, 1976

Filed:

Jan 8, 1976

Appl. No.:

5/647400

Inventors:

Roger D. Duranleau - Ardonia NY
John M. Larkin - Wappingers Falls NY

Assignee:

Texaco Inc. - New York NY

International Classification:

C07C103127

US Classification:

260561R

Abstract:

Alkylamides are prepared by heating an acylhydroximyl halide in an oxygenated polar organic solvent at a temperature of about 70. degree. to 190. degree. C. The alkylamides herein prepared are useful as fuel and lubricant additives and as intermediates in the preparation of acids, nitriles and amines.

US Patent:

40383164, Jul 26, 1977

Filed:

Dec 8, 1975

Appl. No.:

5/638408

Inventors:

Roger G. Duranleau - Ardonia NY
John M. Larkin - Wappingers Falls NY

Assignee:

Texaco Inc. - New York NY

International Classification:

C07C13100

US Classification:

260566A

Abstract:

Novel acylhydroximyl halides are provided and prepared by contacting a nitroalkanone with a halogen acid in the presence of an organic acid or alcohol.

US Patent:

40283887, Jun 7, 1977

Filed:

Jan 8, 1976

Appl. No.:

5/647399

Inventors:

Roger G. Duranleau - Ardonia NY
John M. Larkin - Wappingers Falls NY

Assignee:

Texaco Inc. - New York NY

International Classification:

C07C 5322
C07C 5308

US Classification:

260413

Abstract:

A method of preparing carboxylic acids is provided by heating an acylhydroximyl halide in an aqueous medium at elevated temperatures.