Patents by Inventor Roeland Plomp

Roeland Plomp 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).

  • Perfume compositions as well as perfumed articles and materials containing alkyl substituted benzyl cyanides as a fragrance
    Patent number: 4459224
    Abstract: Use of one or more alkyl substituted benzyl cyanides having the formula ##STR1## in which R.sub.1 and R.sub.2 each may represent a hydrogen atom or a methyl group and R.sub.3 represents a branched alkyl group having at most 6 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles for example soaps, cleaning preparations and cosmetic compositions.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: July 10, 1984
    Assignee: Naarden International N.V.
    Inventors: Antonius J. A. van der Weerdt, Roeland Plomp, Harmannus Boelens
  • Perfume compositions and perfumed materials and articles, containing phenyl-tetrahydrofurans as a fragrance
    Patent number: 4404127
    Abstract: Perfume compositions, perfumed materials and articles containing one or more phenyl-tetrahydrofurans.Use of one or more phenyl-tetrahydrofurans having formula 1 or 2 of the formula sheet in which R.sub.1, R.sub.2 and R.sub.3 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and R.sub.4 represents a hydrogen atom, a methyl- or ethyl group as a perfume component in perfume compositions and in imparting perfume notes to materials and articles for example soaps, cleaning agents and cosmetic preparations.
    Type: Grant
    Filed: October 1, 1981
    Date of Patent: September 13, 1983
    Assignee: Naarden International N.V.
    Inventors: Antonius J. A. van der Weerdt, Roeland Plomp, Willem Apeldoorn