Patents by Inventor Edward Weil

Edward Weil 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).

  • Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom
    Patent number: 9657151
    Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: May 23, 2017
    Assignee: ICL-IP America Inc.
    Inventors: Jeffrey K. Stowell, Gerardo Francisco, Edward Weil
  • METHOD OF MAKING HYDROXYMETHYLPHOSPHONATE, POLYURETHANE FOAM-FORMING COMPOSITIONS, POLYURETHANE FOAM AND ARTICLES MADE THEREFROM
    Publication number: 20170137590
    Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reading paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst
    Type: Application
    Filed: January 30, 2017
    Publication date: May 18, 2017
    Inventors: Jeffrey K. Stowell, Gerardo Francisco, Edward Weil
  • Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom
    Patent number: 9593220
    Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: March 14, 2017
    Assignee: ICL-IP America Inc.
    Inventors: Jeffrey K. Stowell, Gerardo Francisco, Edward Weil
  • Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom
    Patent number: 9441001
    Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: September 13, 2016
    Assignee: ICL-IP America Inc.
    Inventors: Jeffrey K. Stowell, Gerardo Francisco, Edward Weil
  • METHOD OF MAKING HYDROXYMETHYLPHOSPHONATE, POLYURETHANE FOAM-FORMING COMPOSITIONS, POLYURETHANE FOAM AND ARTICLES MADE THEREFROM
    Publication number: 20140378564
    Abstract: There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.
    Type: Application
    Filed: September 12, 2013
    Publication date: December 25, 2014
    Inventors: Jeffrey K. Stowell, Gerardo Francisco, Edward Weil
  • Oligomeric, hydroxy-terminated phosphonates
    Patent number: 7449526
    Abstract: Epoxy resins that are suitable for forming epoxy laminates that meet a UL-94 rating of V-0 comprise a hydroxy-terminated oligomeric phosphonate comprising the repeating structure —OP(?O)(R)OArylene-, where R is alkyl, as a flame retardant.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: November 11, 2008
    Assignee: Supresta U.S. LLC
    Inventors: Sergei V Levchik, Sophia Dashevsky, Edward Weil, Qiang Yao
  • Process for Preparing Diaryl Alkylphosphonates and Oligomeric/Polymeric Derivatives Thereof
    Publication number: 20080045673
    Abstract: A process is provided for the production of diaryl alkyl phosphonate by the reaction of triaryl phosphate with dialkyl alkyl phosphonate in the presence of alkali metal iodide catalyst; and, optionally, the diaryl alkyl phosphonate is reacted in situ with aromatic diol and, optionally, with at least one branching monomer, in the absence of other or further added catalyst to provide oligomeric and/or polymeric phosphonate products.
    Type: Application
    Filed: August 29, 2005
    Publication date: February 21, 2008
    Inventors: Andrew Piotrowski, Qiang Yao, Edward Weil, Sergei Levchik
  • Low acidity phosphate esters
    Publication number: 20050272837
    Abstract: A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.
    Type: Application
    Filed: June 24, 2003
    Publication date: December 8, 2005
    Inventors: Danielle Bright, Edward Weil, Ronald Pirrelli
  • Durable flame retardant finish for cellulosic materials
    Publication number: 20050272838
    Abstract: A composition, for treating a cellulosic material, contains a hydroxyl-functional phosphorus ester containing at least two phosphorus atoms therein, a melamine formaldehyde resin, optionally one or more N-methylol functional resin(s), and a curing catalyst.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 8, 2005
    Inventors: Charles Yang, Weidong Wu, Jeffrey Stowell, Edward Weil
  • Oligomeric, hydroxy-terminated phosphonates
    Publication number: 20050020800
    Abstract: Epoxy resins that are suitable for forming epoxy laminates that meet a UL-94 rating of V—O comprise a hydroxy-terminated oligomeric phosphonate comprising the repeating structure —OP(?O)(R)OArylene-, where R is alkyl, as a flame retardant.
    Type: Application
    Filed: October 4, 2002
    Publication date: January 27, 2005
    Inventors: Sergei Levchik, sophia Dashevsky, Edward Weil, Qiang Yao