Intellectual Property

  • 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