Patents by Inventor James V. Crivello

James V. Crivello 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).

  • Polyimide molding compositions
    Patent number: 4609705
    Abstract: A molding composition is provided comprising aromatic vinyl ether and maleimide. The cured composition exhibits high heat distortion temperatures and is easily processed into finished products with or without a catalyst.
    Type: Grant
    Filed: February 21, 1985
    Date of Patent: September 2, 1986
    Assignee: General Electric Company
    Inventors: James V. Crivello, Steven T. Rice
  • Photoresist compositions containing t-substituted organomethyl vinylaryl ether materials
    Patent number: 4603101
    Abstract: t-Butylvinylaryl ethers are provided which can be used to make t-butyl substituted polyaryl ethers and photoresist compositions. The photoresist compositions can be made by combining the t-butylpolyaryl ethers with aromatic onium salts.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: July 29, 1986
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Method for making silicone-organic block polymers
    Patent number: 4584356
    Abstract: A method is provided for making silicone-organic block polymers, such as polydimethylsiloxane-polystyrene block polymers resulting from the thermal generation of free-radicals in the presence of free-radical polymerizable organic monomer. A silicone prepolymer is used having chemically combined pinacolate groups the in backbone or terminal positions which are capable of generating free-radicals upon thermolysis and which retain chemically combined remnants of such pinacolate diradicals which serve as connecting sites for free-radical polymerized organic blocks.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: April 22, 1986
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Photoresist compositions and method
    Patent number: 4537854
    Abstract: Water soluble blends are provided of alkanolacrylamide, water soluble hydroxyl containing film forming organic oligomer and an effective amount of an onium salt photoinitiator. These photocurable compositions can be used as photoresists.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: August 27, 1985
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Free-radical initiators and method for making
    Patent number: 4535174
    Abstract: Free-radical initiators are provided in the form of silylethers of arylpinacols. An aryl ketone is reacted with a monohalo- or dihalosilane having at least one olefinically unsaturated organic radical attached to silicon in the presence of an active metal reducing agent, such as magnesium.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: August 13, 1985
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Photopolymerizable organic compositions and diaryliodonium ketone salts used therein
    Patent number: 4529490
    Abstract: Aryliodonium salts resulting from the condensation of aryliodosotosylates and aryl ketones are provided which are used as photoinitiators to effect deep section UV cures. Deep section photopolymerizable organic materials are also provided which can be used as encapsulating agents to encapsulate a wide variety of electronic components.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: July 16, 1985
    Assignee: General Electric Company
    Inventors: James V. Crivello, Julia L. Lee
  • Aromatic polyvinyl ethers and heat curable molding compositions obtained therefrom
    Patent number: 4518788
    Abstract: Aromatic polyvinylethers and active hydrogen compound reaction products thereof have been found to provide fast heat curable molding compositions when used with various heat activated curing catalysts, for example, diaryliodonium salts in combination with aromatic polyvinylether soluble copper compounds, or dialkylhydroxyarylsulfonium salts in combination with certain organic oxidants.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: May 21, 1985
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Alkylaryliodonium salts and method for making
    Patent number: 4450360
    Abstract: Arylalkyliodonium salts are provided which can be used as thermal or photoinitiators for polymerization of a wide variety of cationically polymerizable organic materials. Reaction is effected between an aryliodonium tosylate and an active hydrogen aliphatic organic compound, such as dimedone, to produce an intermediate arylalkyliodonium tosylate salt which is thereafter reacted with a polyfluoro metal or metalloid salt of an alkali or alkaline earth metal to produce the desired arylalkyliodonium polyfluoro metal or metalloid salt, such as dimedonylphenyliodonium hexafluoroarsenate.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: May 22, 1984
    Assignee: General Electric Company
    Inventors: James V. Crivello, Julia L. Lee
  • Photocurable compositions
    Patent number: 4442197
    Abstract: Photocurable compositions are provided which can be cured with ultraviolet light at a wave length greater than 300 nm. The photocurable compositions are based on the use of cationically polymerizable organic materials, for example, an epoxy resin and a photoinitiator in the form of a dialkylphenacyl sulfonium salt or hydroxyaryldialkyl sulfonium salt which have been sensitized with a particular dye sensitizer.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: April 10, 1984
    Assignee: General Electric Company
    Inventors: James V. Crivello, Julia L. Lee
  • Free radical curable resin compositions containing triarylsulfonium salt
    Patent number: 4423136
    Abstract: Photocurable compositions are provided based on the use of a triarylsulfonium salt photoinitiator to effect the free-radical cure of particular organic resins, such as an acrylic. A free-radical curing method is also provided for a broad variety of aliphatically unsaturated materials including mixtures of styrene and unsaturated polyesters.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: December 27, 1983
    Assignee: General Electric Company
    Inventors: James V. Crivello, James E. Moore
  • Photoinitiators
    Patent number: 4417061
    Abstract: Onium salts of Group IVa elements having an MF.sub.6.sup.- anion, where M is selected from P, As and Sb, have been found to be photo active under ultraviolet light. These onium salts can be employed as cationic photoinitiators when used with a variety of organic resins and cyclic organic compounds.
    Type: Grant
    Filed: November 13, 1981
    Date of Patent: November 22, 1983
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Method of coating a conducting substrate and coated substrates obtained thereby
    Patent number: 4416752
    Abstract: A method is provided for electroinitiating cationic polymerization on the surface of a metal substrate or a metallized nonconducting substrate. The conducting substrate is used as the anode in an electrolyzed bath of a cationically polymerizable organic material, and an effective amount of an arylonium salt, such as diphenyliodonium hexafluorophosphate. An organic solvent also can be used.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: November 22, 1983
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Photoinitiators
    Patent number: 4407759
    Abstract: Onium salts of Group VIa elements having an MF.sub.6.sup.- anion, where M is selected from P, As and Sb, have been found to be photo active under ultraviolet light. These onium salts can be employed as cationic photoinitiators when used with a variety of organic resins and cyclic organic compounds.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: October 4, 1983
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Method for making diaryliodonium salts
    Patent number: 4399071
    Abstract: A method is provided for making certain diaryliodonium salts which are useful as photoinitiators for a variety of cationic polymerizable organic materials. Reaction is effected between an aromatic iodo compound and an arylorganic aromatic compound in the presence of a peroxy organic acid and an organic sulfonic acid.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: August 16, 1983
    Assignee: General Electric Company
    Inventors: James V. Crivello, Julia L. Lee
  • Aromatic polyvinyl ethers and heat curable molding compositions obtained therefrom
    Patent number: 4388450
    Abstract: Aromatic polyvinylethers and active hydrogen compound reaction products thereof have been found to provide fast heat curable molding compositions when used with various heat activated curing catalysts, for example, diaryliodonium salts in combination with aromatic polyvinylether soluble copper compounds, or dialkylhydroxyarylsulfonium salts in combination with certain organic oxidants.
    Type: Grant
    Filed: March 13, 1981
    Date of Patent: June 14, 1983
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Method for making triarylsulfonium salts
    Patent number: 4374066
    Abstract: A method for making triarylsulfonium salts is provided based on the reaction of an aromatic hydrocarbon, a sulfur chloride, and chlorine in the presence of a Friedel Crafts catalyst. The triarylsulfonium salts can be used as cationic photoinitiators to effect the deep section cure of a variety of organic resin compositions.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: February 15, 1983
    Assignee: General Electric Company
    Inventors: James V. Crivello, Julia L. Lee
  • UV Curable compositions and substrates treated therewith
    Patent number: 4367251
    Abstract: UV curable mixtures of C.sub.(8-28) .alpha.-olefin oxides and certain onium salt photoinitiators, for example, certain diaryliodonium salts, or triarylsulfonium salts, and optionally polyfunctional epoxy resin, have been found useful in paper release coating applications.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: January 4, 1983
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Method of adhesive bonding using visible light cured epoxies
    Patent number: 4356050
    Abstract: Dye sensitized epoxy resins containing an iodonium salt cationic photoinitiator can be used in a variety of adhesive bonding applications. Using low intensity visible light, cure can be initiated after a short exposure of resin coated surfaces followed by clamping the subject pieces together for a time sufficient for a permanent bond to form.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: October 26, 1982
    Assignee: General Electric Company
    Inventors: James V. Crivello, Bruce A. Ashby
  • Heat curable compositions containing sulfonium salts
    Patent number: 4336363
    Abstract: Heat curable compositions are provided comprising cationically polymerizable organic materials such as epoxy resins, vinyl ethers or phenol formaldehyde resins and thermal curing agents, based on the use of certain aryl sulfonium salts with an organic oxidant, such as an organic peroxide, azonitriles, etc. The heat curable compositions can be used as injection molding compounds or as a coating composition.
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: June 22, 1982
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Heat curable processable epoxy compositions
    Patent number: 4329306
    Abstract: Aromatic onium salts, such as diaryliodonium salts, have been found to be effective thermal initiators for the polymerization of epoxy resins having a viscosity of up to about 100,000 centipoises at 25.degree. C. when used in combination with copper salts. The processable epoxy resin composition can be used in filament winding and pultrusion applications.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: May 11, 1982
    Assignee: General Electric Company
    Inventor: James V. Crivello