Patents by Inventor Fred Naraschkewitz

Fred Naraschkewitz 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).

  • Patent number: 7601682
    Abstract: Mixtures are described which comprise or consist of 3-(4-methylcyclohex-3-enyl)butyraldehyde (limonenal) and (4aR,5R,7aS,9R)-octahydro-2,2,5,8,8,9a-hexamethyl-4H-4a,9-methanoazuleno(5,6-d)-1,3-dioxole (Ambrocenide®), the weight ratio of limonenal to Ambrocenide® being in the range from 150:1 to 2500:1.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: October 13, 2009
    Assignee: SYMRISE GmbH & Co. KG
    Inventors: Fred Naraschkewitz, Marcus Eh
  • Publication number: 20080182774
    Abstract: A mixture is described which comprises or consists of 7.5 to 27.5 parts by weight of 3-(4-methylcyclohex-3-enyl)butyraldehyde (limonenal) and 92.5 to 72.5 parts by weight of 2,6-dimethyl-7-octen-2-ol (dihydromyrcenol), the sum of the parts by weight of 3-(4-methylcyclohex-3-enyl)butyraldehyde and 2,6-dimethyl-7-octen-2-ol being 100.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 31, 2008
    Applicant: SYMRISE GmbH & Co. KG
    Inventors: Fred Naraschkewitz, Marcus Eh
  • Publication number: 20080161224
    Abstract: Mixtures are described which comprise or consist of 3-(4-methylcyclohex-3-enyl)butyraldehyde (limonenal) and (4aR,5R,7aS,9R)-octahydro-2,2,5,8,8,9a-hexamethyl-4H-4a,9-methanoazuleno(5,6-d)-1,3-dioxole (Ambrocenide®), the weight ratio of limonenal to Ambrocenide® being in the range from 150:1 to 2500:1.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 3, 2008
    Applicant: SYMRISE GmbH & Co. KG
    Inventors: Fred Naraschkewitz, Marcus Eh