Patents by Inventor Roedolph Van Bohemen

Roedolph Van Bohemen 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).

  • Multipurpose additive for low VOC solvent based coatings
    Patent number: 8486187
    Abstract: The invention relates to a coating composition comprising at least one binder and a multipurpose additive obtainable by reacting a vegetable oil with a diol or by transesterifying a vegetable oil lower alkyl ester with a diol, both reactions in the presence of a catalyst. The multipurpose additive is used to replace partly the solvent of the coating composition and/or to replace partly the binder thus reducing the VOC content and the viscosity.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: July 16, 2013
    Assignee: BASF SE
    Inventors: Lothar Alexander Engelbrecht, Roedolph Van Bohemen
  • Pigmented tinting concentrates comprising a diels alder humectant
    Patent number: 7686877
    Abstract: The invention relates to pigmented tinting concentrates comprising a) stabilized pigments; b) humectant compounds obtainable by effecting a Diels Alder reaction at a temperature of 150-260° C. between a polyunsaturated compound and a co-reactant having the formula R1XOC—CH?CH—COXR2 or CH2?CH—COXR3 or CH2?CH(CH3)—COXR3 wherein X is oxygen or —NH— and wherein at least one of R1 and R2 is a polyether moiety and any other of R1 and R2 is a polyether moiety or hydrogen and R3 is a polyether moiety.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: March 30, 2010
    Assignee: Ciba Corporation
    Inventors: Lothar Alexander Engelbrecht, Roedolph Van Bohemen, Frank Oliver Heinrich Pirrung
  • Multipurpose Additive For Low VOC Solvent Based Coatings
    Publication number: 20100004366
    Abstract: The invention relates to a coating composition comprising at least one binder and a multipurpose additive obtainable by reacting a vegetable oil with a diol or by transesterifying a vegetable oil lower alkyl ester with a diol, both reactions in the presence of a catalyst. The multipurpose additive is used to replace partly the solvent of the coating composition and/or to replace partly the binder thus reducing the VOC content and the viscosity.
    Type: Application
    Filed: January 9, 2007
    Publication date: January 7, 2010
    Inventors: Lothar Alexander Engelbrecht, Roedolph Van Bohemen
  • Pigmented tinting concentrates comprising a diels alder humectant
    Publication number: 20090044721
    Abstract: The invention relates to pigmented tinting concentrates comprising a) stabilized pigments; b) humectant compounds obtainable by effecting a Diels Alder reaction at a temperature of 150-260° C. between a polyunsaturated compound and a co-reactant having the formula R1XOC—CH?CH—COXR2 or CH2?CH—COXR3 or CH2?CH(CH3)—COXR3 wherein X is oxygen or —NH— and wherein at least one of R1 and R2 is a polyether moiety and any other of R1 and R2 is a polyether moiety or hydrogen and R3 is a polyether moiety.
    Type: Application
    Filed: May 8, 2006
    Publication date: February 19, 2009
    Inventors: Lothar Alexander Engelbrecht, Roedolph Van Bohemen, Frank Oliver Heinrich Pirrung