Patents by Inventor Daniel J. Halloran
Daniel J. Halloran has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240018846Abstract: A subsurface safety valve actuation system in well tubing comprising a safety valve, piston assembly, motor, pump, spring, reservoir, first valve, and second valve configured to provide pressure in a chamber of the piston assembly that drives the safety valve to an open position, retain pressure in the chamber that retains the safety valve in the open position, release pressure in the chamber via a first hydraulic release path and/or a second hydraulic release path between the chamber and the reservoir that extends through the first valve and second valve, respectively, and the first and second hydraulic release paths being independent from each other, whereby pressure in the chamber that retains the safety valve in the open position may be released via the first or second hydraulic release path when there is a fault in the other of the first or second release path.Type: ApplicationFiled: November 11, 2021Publication date: January 18, 2024Inventors: David Geiger, Daniel J. Halloran, Jeff Blasz, In Chul Jang, Joseph Giangreco-Marotta
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Publication number: 20180195373Abstract: An oil well installation (15) comprising tubing (17) arranged in a well (18), a pump (19) and actuator (20) disposed in the well, a surface controller (50) connected with the linear actuator, multiple downhole sensors (30-35) configured to sense operating parameters of the linear actuator and/or the pump, a downhole signal processor (40) configured to receive sensor data from the sensors and to output serial data, a communication cable (23) between the sensor processor and the surface controller, the communication cable having at least two paired transmission lines (25, 26), a downhole differential signal driver (41) configured to receive the serial data and to output data signals to the paired transmission lines, and a surface receiver (27) connected to the communication cable and configured to receive the signals from the differential signal driver via the paired transmission lines.Type: ApplicationFiled: June 29, 2016Publication date: July 12, 2018Inventors: Frank Bell, David P. Cardamone, Inderjit Singh, Mark Santacesaria, Daniel J. Halloran, Jonathan Roberts
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Patent number: 5811085Abstract: The use of acrylic functional siloxanes in hair treatment is disclosed. Acrylic functional siloxanes can be used as oxidizing agents in perms or formulated into hair care products such as shampoos or conditioners. They may be cured into/onto the hair using catalysts or radiation.Type: GrantFiled: March 26, 1993Date of Patent: September 22, 1998Assignee: Dow Corning CorporationInventor: Daniel J. Halloran
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Patent number: 5326483Abstract: A clear shampoo is described which contains a cationic oil-in-water emulsion of an amine functional polydimethyl silicone, and a method of making clear and stable shampoo compositions, in which an emulsion of an amine functional siloxane can be added to a shampoo composition without causing cloudiness, and without contributing instability to the shampoo composition whereby phase separation occurs. In accordance with the method, an emulsion of an amine functional siloxane is added to a shampoo composition without the necessity of requiring that a pearling agent be employed for the purpose of disguising cloudiness.Type: GrantFiled: February 19, 1993Date of Patent: July 5, 1994Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5300285Abstract: A process for permanent waving of hair by a reaction in which cystine bridges are reduced to cysteine, the hair reshaped, and the reaction reversed. The improvement in the process resides in the step of reversing the reaction by applying to hair a composition which includes a vinyl functional silicone, a solvent, and a free radical photoinitiator. The free radical photoinitiator is a compound which undergoes intramolecular photocleavage and contains the acetophenone chromophore, such as dimethoxyphenylacetophenone; diethoxyacetophenone; hydroxydimethylacetophenone; 1-benzoylcyclohexanol; 1-phenyl-1,2-propanedione-2-O-benzoyl oxime; and 2-hydroxy-2-methyl-1-phenylpropan-1-one. Both cyclic and linear vinyl functional silicones can be employed. Permanent hair waving neutralizer compositions are also described.Type: GrantFiled: October 13, 1992Date of Patent: April 5, 1994Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Gail J. Dehli
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Patent number: 5290545Abstract: A cosmetic composition for use in the treatment of hair. The cosmetic composition contains a conditioning agent and the improvement resides in the conditioning agent being a mixture of (i) a polydiorganosiloxane gum and (ii) an amine functional siloxane polymer. A method of treating hair is also described in which the mixture is applied to hair for the purpose of improving wet and dry combing and imparting durable conditioning benefits to the hair.Type: GrantFiled: June 12, 1992Date of Patent: March 1, 1994Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Scott A. Daunheimer
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Patent number: 5279818Abstract: A process for permanent waving of hair by a reaction in which cystine bridges are reduced to cysteine, the hair reshaped, and the reaction reversed. The improvement in the process resides in the step of reversing the reaction by applying to hair a composition which includes a vinyl functional silicone, a solvent, and a catalyst. The catalyst is either a carboxylic acid salt of a metal or a metal carbonyl compound. Both cyclic and linear vinyl functional silicones can be employed. Permanent hair waving neutralizer compositions are also described.Type: GrantFiled: October 13, 1992Date of Patent: January 18, 1994Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Terence J. Swihart
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Patent number: 5225190Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an organosilicon compound which is a hydrocarbon solvent free water soluble pre-hydrolyzed organofunctional silane having silsesquioxane characteristic. Hair care and fixative compositions including the silane are also disclosed.Type: GrantFiled: August 10, 1992Date of Patent: July 6, 1993Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5194251Abstract: A method of treating hair in which a formulation is applied to the hair which includes an organosilicon compound. The improvement resides in incorporating into the formulation as the organosilicon compound an amine carboxylate zwitterionomeric polysiloxane having the formula ##STR1## Q in the formula is preferably an organofunctional group represented by ##STR2## in which R' is an alkylene radical of from one to twelve carbon atoms; and R" is ethylene, vinylidene or phenylene.Type: GrantFiled: February 10, 1992Date of Patent: March 16, 1993Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Terence J. Swihart
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Patent number: 5180580Abstract: A hairstyling preparation containing at least one anionic or nonionic organic polymeric film forming agent and a solvent. The improvement resides in incorporating into the hairstyling preparation as an ingredient thereof an amidofunctional polysiloxane having an average of fifty to one thousand siloxane units per molecule with an average of one to fifty of the siloxane units per molecule being amide-containing siloxane units.Type: GrantFiled: February 10, 1992Date of Patent: January 19, 1993Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Christine M. Handt
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Patent number: 5173290Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an interpenetrating polymer network that contains an organosilicon compound which is a nonpolar silsesquioxane. Hair fixative compositions including the interpenetrating polymer network are also disclosed.Type: GrantFiled: October 4, 1991Date of Patent: December 22, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5162479Abstract: The use of siloxanes for conditioning of hair is disclosed. They hold particular usefulness as substitutes for oxidizing agents in the hair waving process. A novel polymeric composition which comprises a silanol endblocked polydiorganosiloxane, cyclic siloxanes, a chlorobenzyl-functional siloxane and a catalyst is also disclosed.Type: GrantFiled: April 8, 1991Date of Patent: November 10, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Thomas H. Lane, Robert A. Ekeland
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Patent number: 5160449Abstract: A shampoo which is a mixture in the form of a suspension. The suspension includes at least one nonionic surfactant, at least one detersive surfactant, water, and an amine functional siloxane polymer. The shampoo suspension is free of viscosity modifying thickening compositions. The amine functional siloxane polymer is present in the suspension in the form of insoluble particles dispersed in the mixture, and the particles have a diameter in the suspension of the order of magnitude of between about one micron to about one hundred microns. The amine functional siloxane polymer should also have a mole percent of amine units of the order of magnitude of about 0.05 to about 1.5.Type: GrantFiled: November 2, 1989Date of Patent: November 3, 1992Assignee: Dow Corning CorporationInventor: Daniel J. Halloran
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Patent number: 5135742Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an organosilicon compound which is a pre-hydrolyzed organofunctional silane having silsesquioxane characteristic. Hair fixative composition including the silane are also disclosed.Type: GrantFiled: July 6, 1990Date of Patent: August 4, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5108738Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an organosilicon compound which is a hydrocarbon solvent free water soluble pre-hydrolyzed organofunctional silane having silsesquioxane characteristic. Hair care and fixative compositions including the silane are also disclosed.Type: GrantFiled: November 5, 1990Date of Patent: April 28, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5089253Abstract: A hair treating composition for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair in the form of an unfilled moisture cured low strength silicone elastomer. Upon contact with moisture the compositions cure to provide improved style retention, body and shine.Type: GrantFiled: August 20, 1990Date of Patent: February 18, 1992Assignee: Dow Corning CorporationInventor: Daniel J. Halloran
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Patent number: 5085858Abstract: Disclosed are thioglycolamide functional siloxanes and their salts which are prepared from the reaction between an amine-functional siloxane and thioglycolic acid or a thioglycolic ester. These materials are useful as reducing agent in the perming process. They are also useful in conditioning the hair.Type: GrantFiled: March 11, 1991Date of Patent: February 4, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Padmakumari J. Varaprath
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Patent number: 5085859Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an interpenetrating polymer network that contains an organosilicon compound which is a nonpolar silsesquioxane. Hair fixative compositions including the interpenetrating polymer network are also disclosed.Type: GrantFiled: November 5, 1990Date of Patent: February 4, 1992Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5075103Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair. The improvement utilizes as the film forming ingredient an organosilicon compound which is a nonpolar silsesquioxane. Hair fixative compositions including the nonpolar silsesquioxane are also disclosed.Type: GrantFiled: July 6, 1990Date of Patent: December 24, 1991Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Judith M. Vincent
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Patent number: 5068378Abstract: Disclosed are thioglycolamide functional siloxanes and their salts which are prepared from the reaction between an amine-functional siloxane and thioglycolic acid or a thioglycolic ester. These materials are useful as reducing agent in the perming process. They are also useful in conditioning the hair.Type: GrantFiled: January 9, 1990Date of Patent: November 26, 1991Assignee: Dow Corning CorporationInventors: Daniel J. Halloran, Padmakumari J. Varaprath