Patents by Inventor Horst Upadek

Horst Upadek 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).

  • Use of substituted 2-(1-methylbutyl)-1,3-dioxanes as perfuming agents
    Patent number: 4372880
    Abstract: The invention is directed to a perfumery composition consisting essentially of at least one substituted 2-(1-methylbutyl)-1,3-dioxane and customary constituents and to the use of such a perfumery composition to impart a pleasant odor to a product.
    Type: Grant
    Filed: April 15, 1981
    Date of Patent: February 8, 1983
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Upadek, Klaus Bruns
  • 4(5)-Acetyl-9,9-dimethyltricyclo-[4,4,0,1.sup.8,10 ]-undec-1-ene, its preparation and use in perfumery compositions and as an odorant
    Patent number: 4363754
    Abstract: 4(5)-acetyl-9,9-dimethyltricyclo-[4,4,0,1.sup.8,10 ]-undec-1-ene having the formula ##STR1## its synthesis, its use as a perfumery agent and as an olfactant component in perfumery compositions and as an odorant for technical products.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: December 14, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Jens Conrad, Klaus Bruns, Horst Upadek
  • Preparation of 13-oxabicyclo[10.3.0]pentadecane
    Patent number: 4360468
    Abstract: This invention relates to the preparation of 13-oxabicyclo[10.3.0]pentadecane. More specifically, this invention relates to a process for preparing 13-oxabicyclo[10.3.0]pentadecane which comprises the steps of:(a) reacting cyclododecanone with elemental bromine in an organic solvent to form .alpha.-bromocyclododecanone;(b) reacting .alpha.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: November 23, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Upadek, Klaus Bruns
  • 6(9)-Isopropyl-9(6)-methyl-6,9-ethano-2-oxaspiro[4,5]dec-7-enes
    Patent number: 4351772
    Abstract: This invention is directed to terpene derivatives. More particularly, this invention relates to a mixture of isomers of the formula ##STR1## wherein R.sub.1 and R.sub.2, which are different from each other, are each methyl or isopropyl, the preparation thereof, and perfume compositions containing them.
    Type: Grant
    Filed: November 20, 1981
    Date of Patent: September 28, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Upadek, Klaus Bruns
  • 4(5)-Acetyl-9,9-dimethyltricyclo-[4,4,0,1.sup.8,10 ]-undec-1-ene, its preparation and use in perfumery compositions and as an odorant
    Patent number: 4322559
    Abstract: 4(5)-acetyl-9,9-dimethyltricyclo-[4,4,0,1.sup.8,10 ]-undec-1-ene having the formula ##STR1## its synthesis, its use as a perfumery agent and as an olfactant component in perfumery compositions and as an odorant for technical products.
    Type: Grant
    Filed: August 14, 1980
    Date of Patent: March 30, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Jens Conrad, Klaus Bruns, Horst Upadek
  • Perfume composition containing 4,5-dioxa-5-alkyl-tricyclo[7.2.1.0 .sup.2,8 ]dodec-10-enes and its use as an odorant
    Patent number: 4294727
    Abstract: This invention is directed to perfume compositions comprising 4,6-dioxa-5-.sub.C1-C8 -alkyl or .sub.C2-C8 -alkenyl-tricyclo[7.2.1.0.sup.2,8 ]dodec-10-enes, the use of said tricyclododecenes as an odorant, the synthesis of said tricyclododecenes, and novel tricyclododecenes.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: October 13, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Jens Conrad, Horst Upadek, Klaus Bruns
  • Hydrogenated indenopyrans and their use in aromatic compositions
    Patent number: 4271047
    Abstract: This invention is directed to compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen or a methyl radical, with the proviso that only one of R.sub.1 and R.sub.2 is methyl radical, as well as to aromatic compositions containing said compounds and the use of such aromatic compositions to impart desired odors.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: June 2, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Jens Conrad, Horst Upadek, Klaus Bruns