Manufacture of polyurethane solutions

• US 3,373,143 A
• Filed: 05/24/1963
• Issued: 03/12/1968
• Est. Priority Date: 05/30/1962
• Status: Expired due to Term

• Current Assignee: Patrick Crowley Gerald, William Chilvers Kenneth
• Original Assignee: Patrick Crowley Gerald, William Chilvers Kenneth
• Inventors: WILLIAM CHILVERS KENNETH, PATRICK CROWLEY GERALD
• Application Number:
  US04/282,875
• Time in Patent Office: 1,754 Days
• US Class Current: 528/61
• CPC Class Codes: C08G 18/0852 the solvents being organic
• CPC Class Codes: C08G 18/10 Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• CPC Class Codes: C08G 18/12 using two or more compounds having active hydrogen in the first polymerisation step
• CPC Class Codes: C08G 18/2805 Compounds having only one group containing active hydrogen vinylpolymers having terminal groups containing active hydrogen C08G18/62
• CPC Class Codes: C08G 18/302 Water
• CPC Class Codes: C08G 18/606 Polyester-amides
• CPC Class Codes: C08G 18/72 Polyisocyanates or polyisothiocyanates
• CPC Class Codes: C09J 175/04 Polyurethanes
• CPC Class Codes: Y10S 528/905 Polymer prepared from isocyanate reactant has adhesive property
• CPC Class Codes: Y10T 428/31554 Next to second layer of polyamidoester
• CPC Class Codes: Y10T 428/3158 Halide monomer type [polyvinyl chloride, etc.]
• CPC Class Codes: Y10T 428/31786 Of polyester [e.g., alkyd, etc.]

Claims