Patents by Inventor Ute Rohde

Ute Rohde 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).

  • Odor neutralizers
    Patent number: 7157411
    Abstract: This invention relates to odor neutralizers comprising esters of the formula (I) wherein R1 is an alkyl radical with 1 to 4 carbon atoms which can optionally contain a double bond; R2 is a hydrogen or an alkyl radical with 1 to 3 carbon atoms which can optionally contain a double bond; R3 is a hydrogen or a methyl radical substituted by the alkyl radicals R9 and R10; R4 is a hydrogen, a methyl radical or an acyloxy radical of the general formula O—CO—R1 wherein R1 has the abovementioned meaning; R5, R6, R7, R8 and R10 are identical or different and is hydrogen or methyl; R9 is a hydrogen and R4 and R9 can together represent a single carbon bond or a methylene or an ethylene bridge,with the proviso that i) in the case of cyclohexyl esters in which R1=methyl, R2=isopropyl, R5=methyl and R6=hydrogen, the substituents R2 and R5 are arranged in a cis relationship to each other; ii) in the case of cyclohexyl esters in which R2=isopropenyl, R5=methyl and R6=hydrogen, the substituent R1 is an alkyl group with at leas
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: January 2, 2007
    Assignee: Symrise GmbH & Co. KG
    Inventors: Ute Rohde, Stephan Hillers, Horst Surburg, Steffen Sonnenberg, Keith McDermott, Leslie Smith, Karl Sparkuhle
  • Gas odorization method
    Patent number: 7108803
    Abstract: A mixture of acrylic acid and nitrogen compounds is particularly adapted to achieve a sulfur-free odorization of a gas.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: September 19, 2006
    Assignee: Symrise GmbH & Co. KG
    Inventors: Gerd Mansfeld, Ute Rohde, Fritz Henke, Heribert Kaesler
  • 4,8-Dimethyl-7-nonen-2-one and 4,8-dimethylnonan-2-one used as perfumes
    Publication number: 20060166857
    Abstract: The use of 4,8-dimethyl-7-nonen-2-one and 4,8-dimethylnonan-2-one as fragrances with a rose odour is described. Corresponding perfume compositions, perfumed products and processes for producing or strengthening a rose odour are also described.
    Type: Application
    Filed: June 15, 2004
    Publication date: July 27, 2006
    Inventors: Horst Surburg, Ute Rohde, Oskar Koch
  • Odor neutralizers
    Publication number: 20030068295
    Abstract: This invention relates to odor neutralizers comprising esters of the formula (I) wherein R1 is an alkyl radical with 1 to 4 carbon atoms which can optionally contain a double bond; R2 is a hydrogen or an alkyl radical with 1 to 3 carbon atoms which can optionally contain a double bond; R3 is a hydrogen or a methyl radical substituted by the alkyl radicals R9 and R10; R4 is a hydrogen, a methyl radical or an acyloxy radical of the general formula O—CO—R1 wherein R1 has the abovementioned meaning; R5, R6, R7, R8 and R10 are identical or different and is hydrogen or methyl; R9 is a hydrogen and R4 and R9 can together represent a single carbon bond or a methylene or an ethylene bridge, with the proviso that i) in the case of cyclohexyl esters in which R1=methyl, R2=isopropyl, R5=methyl and R6=hydrogen, the substituents R2 and R5 are arranged in a cis relationship to each other; ii) in the case of cyclohexyl esters in which R2=isopropenyl, R5=methyl and R6&equa
    Type: Application
    Filed: September 9, 2002
    Publication date: April 10, 2003
    Inventors: Ute Rohde, Stephan Hillers, Horst Surburg, Steffen Sonnenberg, Keith McDermott, Leslie Smith, Karl Sparkuhle