Patents Assigned to Autex, Inc.
  • Crystalline ion-association substance, process for producing the same, and latent photopolymerization initiator
    Patent number: 6387975
    Abstract: A photo-latent initiator for photopolymerization comprises crystalline ion-association substance having the general formula (I): [{C5(R1)n}2mMm]1+[{B(R2)4}−]l Said initiator can polymerize a cationically polymerizable organic substance only with light irradiation without additional heating. It is extremely stable when stored alone or in the form of a mixture with a cationically polymerizable organic substance.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: May 14, 2002
    Assignee: Autex, Inc.
    Inventor: Shin Hiwasa
  • Initiator for photopolymerization
    Patent number: 5480918
    Abstract: A novel initiator for photopolymerization is provided, which can polymerize cationically polymerizable organic material by only irradiating at wavelength of 200-500 nm without specific sensitizer and/or post-curing even when it is used at comparatively small amount, whereby the obtained cured product has good physical properties and electric properties. The initiator for photopolymerization of cationically polymerizable organic material according to the present invention comprises a composite obtainable from a reaction between (a) charge transfer complex consisting of biscyclopentadienyl iron derivative and quinoid and (b) at least one salt selected from a group consisting of tetrafluoroborates, hexafluorophosphates and hexafluoroantimonates.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: January 2, 1996
    Assignee: Autex, Inc.
    Inventor: Yusuke Sasaki
  • Initiator for photopolymerization
    Patent number: 5389700
    Abstract: A novel initiator for photopolymerization is provided, which can polymerize cationically polymerizable organic material by only irradiating at wavelength of 200-500 nm without specific sensitizer and/or post-curing even when it is used at comparatively small amount, whereby the obtained cured product has good physical properties and electric properties.The initiator for photopolymerization of cationically polymerizable organic material according to the present invention comprises a composite obtainable from a reaction between (a) charge transfer complex consisting of biscyclopentadienyl iron derivative and quinoid and (b) at least one salt selected from a group consisting of tetrafluoroborates, hexafluorophosphates and hexafluoroantimonates.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: February 14, 1995
    Assignee: Autex, Inc.
    Inventor: Yusuke Sasaki