Intellectual Property


Download PDF Document of Patents Held


 Dudley J. Primeaux II Patents, Named Inventor

US Patents

  1. 6,797,789 Phenolic/polyurea coating co-polymer compositions and process
  2. 6,605,684 Method of preparing spray elastomer systems
  3. 6,399,736 Method of preparing spray elastomer systems
  4. 6,013,755 Method of preparing an aliphatic polyurea spray elastomer system
  5. 5,962,618 Polyurea spray railcar lining systems
  6. 5,962,144 Polyurea elastomer systems with improved adhesion to substrates
  7. 5,759,695 Polyurea elastomer systems with improved adhesion to substrates
  8. 5,731,397 Polyurea spray railcar lining systems
  9. 5,616,677 Preparation of sprayable aliphatic polyurea elastomers having improved properties
  10. 5,504,181 Aliphatic spray polyurea elastomers
  11. 5,480,955 Aliphatic spray polyurea elastomers
  12. 5,442,034 Spray polyurea elastomers containing organic carbonates to improve processing characteristics
  13. 5,317,076 Polyurea elastomer with reduced moisture vapor transmission
  14. 5,266,671 Spray polyurea elastomers with abrasion resistance
  15. 5,218,005 Polyurea elastomers made using polyamine/carbonyl adducts as chain extenders
  16. 5,189,075 Polyurea elastomers made using polyoxyalkylene tetra-or higher functional amine chain extenders
  17. 5,189,073 Process for the production of expanded materials based on polyurea elastomers
  18. 5,171,819 Alkyl substituted piperazines as chain extenders in polyurea elastomer systems
  19. 5,162,388 Aliphatic polyurea elastomers
  20. 5,153,232 Foamed polyurea elastomer-rigid and close-celled
  21. 5,124,426 Sprayable polyurea elastomer made from reaction of isocyanate compound with amine terminated polyether and di(methylthio)toluene diamine and diethyltoluene diamine chain extenders
  22. 5,118,728 Spray polyurea elastomers using chopped glass roving
  23. 5,082,917 Piperazine derivatives as chain extenders in polyurea elastomer systems and method making same
  24. 5,013,813 Polyurea elastomer with rapid dry time
  25. 4,891,086 Strand coating method

European Patents

  1. EP00688802 Preparation of Sprayable Aliphatic Polyurea Elastomers Having Improved Properties
  2. EP00748827 Spray Polyurea Elastomers
  3. EP00517466 Aliphatic Polyurea Elastomers
  4. EP00537902 Polyurea ELastomers Made Using Polyamine/Carbonyl Adducts as Chain Extenders
  5. EP00441488 Components for Vehicle Passenger Compartments
  6. EP00494546 Foamed Polyurea Elastomer
  7. EP00416819 Aliphatic Spray Polyurea Elastomers
  8. EP00265225 Packaging Foam Polyurethane Composition Employing Epoxy Resin Modified Polyether Polyols