Patents Represented by Attorney Joseph D. Odenweller

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  • Thioether bis phenolic antioxidants
    Patent number: 4104255
    Abstract: Ortho-cyclopentyl-hydroxybenzyl sulfides (e.g. di-(3,5-dicyclopentyl-4-hydroxybenzyl)sulfide) are effective antioxidants.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: August 1, 1978
    Assignee: Ethyl Corporation
    Inventors: John C. Wollensak, Kju Hi Shin, Kryn G. Ihrman, Paul G. Elsey
  • Process for sulfurizing norbornenyl compounds
    Patent number: 4097474
    Abstract: Norbornenyl compounds such as dicyclopentadiene are sulfurized by reaction with a controlled amount of sulfur in the absence of a solvent or using a non-polar solvent to give a normally liquid oil-soluble sulfur-containing compound useful as a lubricating oil additive.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: June 27, 1978
    Assignee: Edwin Cooper and Company Limited
    Inventors: Herbert Frank Askew, Gerald John Joseph Jayne, John Scotchford Elliott
  • Process of making an oil solution of zinc dihydrocarbyldithiophosphates
    Patent number: 4092341
    Abstract: Zinc dihydrocarbyldithiophosphates are made by the reaction of zinc oxide with dihydrocarbyldithiophosphoric acid in the presence of mineral oil which has been reacted with nitrogen dioxide. The nitrogen dioxide treatment alters the oil such that it promotes the zinc oxide reaction. The process is especially adapted for making zinc dialkaryldithiophosphates useful as lubricating oil additives.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: May 30, 1978
    Assignee: Edwin Cooper and Company Limited
    Inventors: Alexander George Lowe, Philip Edward Derbyshire, Andrew George Papay
  • Fuel induction system
    Patent number: 4086892
    Abstract: A fuel induction system for a spark-ignited multicylinder internal combustion engine including a carburetor, a mixing chamber and an intake manifold. The carburetor includes a primary barrel which connects initially to an inlet in the mixing chamber. An outlet from the mixing chamber connects to the intake manifold. The inlet and outlet are arranged such that the direction of air/fuel mixture flow is reversed in passing through said inlet and outlet thereby providing an improved air/fuel mixture, resulting in lower exhaust hydrocarbon and carbon monoxide emission.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: May 2, 1978
    Assignee: Ethyl Corporation
    Inventor: Frederick J. Marsee
  • Lubricating oil containing reaction products of polyisobutylphenol, esters of chloroacetic acid, and ethylene polyamine
    Patent number: 4083791
    Abstract: Amides of C.sub.50-200 alkylphenoxy-substituted aliphatic carboxylic acids made by reacting a C.sub.50-200 alkylphenol with a halocarboxylic ester (e.g., butyl chloroacetate) followed by displacement of the ester group with an amide group have a much higher content of amide than a product made using a halocarboxylic acid reactant in place of the ester. The product is an effective lubricating oil dispersant.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: April 11, 1978
    Assignee: Edwin Cooper and Company Limited
    Inventors: John Scotchford Elliott, Bryan Terence Davis, Richard Martin Howlett
  • Polyester lubricant additives, their preparation and compositions containing them
    Patent number: 4070370
    Abstract: Polyesters suitable for use as lubricant additives are prepared by reacting a di-carboxylic acid or anhydride having a branched chain alkyl or alkenyl substituent containing at least 30 carbon atoms with a compound having the formula: ##STR1## wherein R and R.sup.1 are specified substituents which between them possess from 2 to 6 free hydroxyl groups. Lubricating compositions containing these polyester additives are also described.
    Type: Grant
    Filed: September 17, 1974
    Date of Patent: January 24, 1978
    Assignee: Edwin Cooper and Company Limited
    Inventors: John Scotchford Elliott, Bryan Terence Davis, Stephen Norman
  • Antioxidant
    Patent number: 4066562
    Abstract: Methylenebis(dicyclopentyl phenols) in which at least one cyclopentyl group is ortho to the phenolic hydroxy group are effective antioxidants in a broad range of organic materials including mineral and synthetic lubricating oil and polyolefins.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: January 3, 1978
    Assignee: Ethyl Corporation
    Inventors: John C. Wollensak, Kryn G. Ihrman, Paul G. Elsey
  • Exhaust systems
    Patent number: 4065918
    Abstract: The useful life of a catalyst being used in an engine exhaust system to lower the undesirable constituents in the exhaust gas of an engine being operated on gasoline containing a cyclopentadienyl manganese antiknock is greatly prolonged by providing an exhaust system having a plurality of baffles in the exhaust flow path upstream from the catalyst forming a tortuous flow path.
    Type: Grant
    Filed: February 12, 1973
    Date of Patent: January 3, 1978
    Assignee: Ethyl Corporation
    Inventor: Ellis B. Rifkin
  • Lubricant additive
    Patent number: 4065499
    Abstract: High molecular weight N-hydrocarbyl-substituted quaternary ammonium salts in which the hydrocarbyl group has a molecular weight of from about 350-3000 such as a polybutene ammonium chloride are effective detergents and dispersants for gasoline and lubricating oils.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: December 27, 1977
    Assignee: Ethyl Corporation
    Inventor: Robert E. Malec
  • Lubricant composition
    Patent number: 4058468
    Abstract: A dispersant-antiwear lubricating oil additive is made by reacting a high molecular weight hydrocarbon-substituted phenol with aldehyde and ammonia or amines having a reactive hydrogen atom to form a Mannich condensation product which is reacted with an alkylene oxide and P.sub.2 S.sub.5 to form the additive.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: November 15, 1977
    Assignee: Ethyl Corporation
    Inventor: Robert E. Malec
  • Polymonoolefin quaternary ammonium salts of triethylenediamine
    Patent number: 4056531
    Abstract: High molecular weight N-hydrocarbyl-substituted quaternary ammonium salts in which the hydrocarbyl group has a molecular weight of from about 350-3000 such as a polybutene ammonium chloride are effective detergents and dispersants for gasoline and lubricating oils.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: November 1, 1977
    Assignee: Ethyl Corporation
    Inventor: Robert E. Malec
  • Exhaust recirculation
    Patent number: 4055158
    Abstract: An improved internal combustion engine, exhaust gas recirculation (EGR) system is described which features the use of a liquid-cooled heat-exchange device to cool the recirculated exhaust before it is fed into the intake system of said engine. A preferred system uses a condensate trap situated downstream of said heat-exchange device. Use of this system effects further reduction in nitrogen oxides (NO.sub.x) content of the exhaust.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: October 25, 1977
    Assignee: Ethyl Corporation
    Inventor: Frederick J. Marsee
  • Lubricating oil containing alkanoic amide or ester-bridged hydrocarbyl substituted phenols
    Patent number: 4051049
    Abstract: Bis-substituted phenols bridged through a carbon atom of an aliphatic carboxylic amide or ester are effective ashless dispersants for lubricating oil. Preferably, the phenols are substituted with a high molecular weight poly-alpha-olefin group.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: September 27, 1977
    Assignee: Edwin Cooper and Company Limited
    Inventors: John Scotchford Elliott, Bryan Terence Davis, Richard Martin Howlett
  • Process for making a high molecular weight alkylphenoxy substituted aliphatic carboxylic ester
    Patent number: 4046802
    Abstract: Alkylphenoxy alkanoic esters are made in high yield by reaction of a C.sub.50-200 alkylphenol with a halo-substituted alkanoic ester in the presence of a base. The reaction product contains little unreacted alkylphenol and is converted without separation to a reaction mixture containing mainly alkylphenoxy alkanoic amide by reaction with amines. The amide reaction mixture is an effective ashless dispersant for lubricating oil.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: September 6, 1977
    Assignee: Edwin Cooper and Company Limited
    Inventors: John Scotchford Elliott, Bryan Terence Davis, Richard Martin Howlett
  • Process for preparing dialkylphosphites
    Patent number: 4045519
    Abstract: Dialkylphosphites are made by adding PCl.sub.3 to a mixture of water and alkanol and distilling product from the resultant reaction mixture leaving a distillation residue. Alkanol is added to the residue and the mixture reacted at elevated temperature to yield additional dialkylphosphite.
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: August 30, 1977
    Assignee: Ethyl Corporation
    Inventor: William E. Wright
  • Post hole digger
    Patent number: 4042270
    Abstract: A post hole digger comprising arm members having a spade end and a handle end with a scissor-type connection proximate their spade end and a bend proximate their handle end such that the central portion of the arms are on opposite sides from their spade ends while the handle ends are on the same side as their spade ends, thus enabling the digging of deeper holes without having the arm members bind at the hole opening.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: August 16, 1977
    Inventor: Edward E. Weiland
  • Corrosion inhibitors
    Patent number: 4028117
    Abstract: A corrosion inhibitor, particularly suitable for use in pipelines used for the transportation of hydrocarbon fluids such as crude petroleum or refined petroleum fractions, comprises a mixture of (a) from 1.8 to 25 parts by weight dimerised unsaturated fatty acid and (b) 1 part by weight of an alkoxylated alkyl phenol and provides a WSIM number (as defined) of at least 60.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: June 7, 1977
    Assignee: Edwin Cooper & Company Limited
    Inventor: Nicholas Warrington Moat
  • Sulfurized mannich bases as lubricating oil dispersant
    Patent number: 4025451
    Abstract: Dispersancy, wear and corrosion properties of lubricating oil are improved by addition of a product made by mixing at about 50.degree.-300.degree. C about 1-20 parts of sulfur with about 100 parts of the condensation product made by reacting a high molecular weight alkylphenol, formaldehyde and a reactive amine. Excess sulfur is preferably removed.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: May 24, 1977
    Assignee: Ethyl Corporation
    Inventors: Larry Plonsker, Robert E. Malec
  • Sulphur containing lubricating oil additives
    Patent number: 4019991
    Abstract: New compounds are derived from intra-molecular and inter-molecular, in the case of a polymer, sulphur bridged hydrocarbon rings containing from 6 to 12 carbon atoms. The hydrocarbon ring is preferably 1,5-cyclooctadiene. The compounds also contain the residue of an alkyl, alkenyl or aralkyl xanthate and may also contain the residue of a further nucleophilic group. The new compounds are useful in lubricating oil compositions. The compositions may also contain other conventional lubricant additives.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: April 26, 1977
    Assignee: Edwin Cooper & Company Limited
    Inventors: Gerald John Joseph Jayne, Herbert Frank Askew
  • Fuel induction system
    Patent number: 4016845
    Abstract: An internal combustion engine having a carburetor-type fuel induction system in which the primary carburetor barrel delivers an air/fuel mixture into a container. The air/fuel mixture is conducted from the container into the intake manifold. A liquid trap is provided between the primary barrel and the container to collect liquid gasoline running down the side wall. This trapped liquid is delivered directly to the intake manifold, resulting in improved cold start performance of the engine. The container is preferably heated by means such as exhaust gas, liquid engine coolant or electrical heaters.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: April 12, 1977
    Assignee: Ethyl Corporation
    Inventor: Frederick J. Marsee