Patents by Inventor Harmannus Boelens

Harmannus Boelens 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 articles containing esters of substituted bicyclo [2.2.1]heptane and heptene-carboxylic acids as perfume base
    Patent number: 4442025
    Abstract: Use of one or more esters of methyl substituted bicyclo [2.2.1]heptane- and heptene-carboxylic esters with formula 1a and 1b, in which the dotted line is a single or double bond, R.sub.1 represents a hydrogen atom or methyl group and R.sub.2 represents an alkyl or alkenyl group having 1-4 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles, for example, soaps, cleaning preparations, cosmetic preparations.
    Type: Grant
    Filed: May 27, 1981
    Date of Patent: April 10, 1984
    Assignee: Naarden International, N.V.
    Inventors: Harmannus Boelens, Antonius J. A. van der Weerdt, Theodorus G. M. Hesp
  • Novel acyl-polyalkylindan compounds and the use thereof as a base for perfume, as well as perfume compositions
    Patent number: 4352748
    Abstract: Novel acyl-polyalkyl indan compounds and the use thereof as a base for perfume, as well as perfume compositions, perfumed materials and perfumed articles.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: October 5, 1982
    Assignee: Naarden International N.V.
    Inventors: Petrus C. Traas, Harrie Renes, Harmannus Boelens
  • Perfume compositions containing 3,3-dimethylbicyclo-[2,2,1]-heptane-2-carboxylic acid as a perfume
    Patent number: 4288349
    Abstract: An acidic and somewhat resinous odor note tending to cistus and olibanium is imparted to a perfume composition or product containing the same by adding the 3,3-dimethylbicyclo-(2,2,1)-heptane-2-carboxylic acid compound thereto.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: September 8, 1981
    Assignee: Naarden International N.V.
    Inventors: Harmannus Boelens, Roelof Ter Heide
  • Method for the preparation of fragrances, and method for the preparation of perfume compositions
    Patent number: 4235824
    Abstract: The invention relates to a method for the preparation of both known and novel fragrances and flavors, and in particular to the preparation and use of the novel fragrance compound, 2,6-nonadiene nitrile, and to a novel method for the preparation of 4-heptynal as the starting product for the preparation of the 2,6-nonadiene nitrile fragrance compound.
    Type: Grant
    Filed: November 9, 1978
    Date of Patent: November 25, 1980
    Assignee: Naarden International N.V.
    Inventors: Petrus C. Traas, Harmannus Boelens, Hans J. Wille
  • Perfume compositions containing 8 allyl-8-hydroxytricyclo [5,21,0.sup.2.6 ]
    Patent number: 4147671
    Abstract: Perfume compositions, perfumed materials and articles and a process for preparing perfume compositions, perfumed materials and articles which includes the steps of adding perfume components usual for this purpose and additionally at least one compound reminiscent of castoreum which is selected from o-hydroxybenzyl ethyl ether, 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane and mixtures thereof. Reminiscent of castoreum is 8-allyl-8-hydroxytricyclo (5,2,1,0.sup.2,6) decane.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: April 3, 1979
    Assignee: Naarden International, N.V.
    Inventors: Harmannus Boelens, Hendrik J. Wobben
  • 8-Allyl-8-hydroxytricyclo-[5,2,1,0.sup.2,6 ] decane
    Patent number: 4124771
    Abstract: 8-Allyl-8-hydroxytricyclo[5,2,1,0.sup.2,6 ] decane.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: November 7, 1978
    Assignee: Naarden International, N.V.
    Inventors: Harmannus Boelens, Hendrik J. Wobben
  • Perfume compositions
    Patent number: 4057515
    Abstract: Perfume compositions are provided which are based upon certain cycloalkylidenebutanals. The perfume compositions comprising the subject cycloalkylidenebutanals.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: November 8, 1977
    Assignee: N.V. Chemische Fabriek "Naarden"
    Inventors: Harmannus Boelens, Jan Theodor Marie Francois Maessen, Leendert Maarten VAN DER Linde
  • Preparing perfumed compositions containing 8-allyl-8-hydroxytricyclo[5,2.1.0.sup.2,6 ]decane alone or combined with O-hydroxybenzyl ethyl ether
    Patent number: 4057516
    Abstract: Perfume compositions, perfumed materials and articles and a process for preparing perfume compositions, perfumed materials and articles which includes the steps of adding perfume components usual for this purpose and additionally at least one compound reminiscent of castoreum which is selected from 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane and mixtures of o-hydroxybenzyl ethyl ether and 8-allyl-8-hydroxytricyclo (5,2,1,0.sup.2,6). Reminiscent of castoreum is 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: November 8, 1977
    Assignee: Naarden International, N.V.
    Inventors: Harmannus Boelens, Hendrik Jacob Wobben
  • Preparation of 4-methoxybenzonitrile perfume compositions
    Patent number: 4040986
    Abstract: A process for the production of perfume compositions, perfumed materials or perfumed articles which includes admixing perfume components usual for this purpose and 4-methoxy benzonitrile and the compositions per se.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: August 9, 1977
    Assignee: Naarden International N.V.
    Inventors: Harmannus Boelens, Hendrik J. Takken, Petrus C. Traas
  • Methyl-N-(2-methyl-pentylidene)-anthranilate for perfume and flavoring compositions
    Patent number: 3974201
    Abstract: A perfumed material containing methyl-N-(2-methylpentylidene) anthranilate prepared by incorporating methyl-N-(2-methylpentylidene) anthranilate into mixtures usual for such purpose to impart a citrus like note thereto.
    Type: Grant
    Filed: March 8, 1973
    Date of Patent: August 10, 1976
    Assignee: Naarden International, N.V.
    Inventor: Harmannus Boelens