Patents by Inventor Markus Nobis

Markus Nobis 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).

  • Intramolecular Prins reaction and catalysts suitable therefor
    Patent number: 7915457
    Abstract: The present invention relates to a process for the preparation of a compound of the formula B having the following steps: provision of a compound of the formula A intramolecular reaction of the compound of the formula A in the presence of an aluminium siloxide of the formula (Ia) or (Ib).
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: March 29, 2011
    Assignee: Symrise GmbH & Co. KG
    Inventor: Markus Nobis
  • Process to manufacture 4-methoxybenzoic acid from herbal anethole and the use of 4-methoxybenzoic acid in cosmetic and dermatologic products as well as foodstuffs
    Patent number: 7728168
    Abstract: A process to manufacture 4-methoxybenzoic acid from anethole. This raw material can be obtained from a variety of plant materials and thus offers a renewable alternative to fossil raw materials. Another aspect of the present invention is the use of 4-methoxybenzoic acid gained from vegetal anethole as raw material in cosmetic and dermatologic products and/or aroma components in foodstuffs.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: June 1, 2010
    Assignee: Dr. Straetmans Chemische Produkte GmbH
    Inventors: Jan Jänichen, Wilfried Petersen, Rudolf Jenny, Markus Nobis
  • PROCESS TO MANUFACTURE 4-METHOXYBENZOIC ACID FROM HERBAL ANETHOLE AND THE USE OF 4-METHOXYBENZOIC ACID IN COSMETIC AND DERMATOLOGIC PRODUCTS AS WELL AS FOODSTUFFS
    Publication number: 20090131712
    Abstract: A process to manufacture 4-methoxybenzoic acid from anethole. This raw material can be obtained from a variety of plant materials and thus offers a renewable alternative to fossil raw materials. Another aspect of the present invention is the use of 4-methoxybenzoic acid gained from vegetal anethole as raw material in cosmetic and dermatologic products and/or aroma components in foodstuffs.
    Type: Application
    Filed: November 3, 2008
    Publication date: May 21, 2009
    Inventors: Jan Janichen, Wilfried Petersen, Rudolf Jenny, Markus Nobis
  • Intramolecular Prins Reaction and Catalysts Suitable Therefor
    Publication number: 20090093649
    Abstract: The present invention relates to a process for the preparation of a compound of the formula B having the following steps: provision of a compound of the formula A intramolecular reaction of the compound of the formula A in the presence of an aluminium siloxide of the formula (Ia) or (Ib).
    Type: Application
    Filed: August 17, 2006
    Publication date: April 9, 2009
    Applicant: SYMRISE GmbH & Co. KG
    Inventor: Markus Nobis
  • INTRAMOLECULAR PRINS REACTION AND CATALYSTS SUITABLE THEREFOR (CITRONELLAL TO ISOPULEGOL)
    Publication number: 20090036699
    Abstract: Processes for the preparation of a compound of the formula (B) having the following steps: provision of a compound of the formula (A), intramolecular reaction of the compound of the formula (A) in the presence of an aluminium siloxide of the formula (I) wherein in formula (I) the radicals Ra?, Ra?, Ra??, Rb?, Rb?, Rb??, Rc?, Rc?, Rc?? independently of one another denote hydrogen or an organic radical, are described.
    Type: Application
    Filed: September 4, 2006
    Publication date: February 5, 2009
    Applicant: SYMRISE GmbH & Co. KG
    Inventor: Markus Nobis
  • Synthesis of Aldehydes by Ozonolysis of Secondary Allyl
    Publication number: 20080319232
    Abstract: The invention relates to a process for the preparation of an aldehyde from a secondary alcohol having a double bond in the alpha position, comprising the steps. a) provision of the alcohol, b) treatment of the alcohol with ozone.
    Type: Application
    Filed: August 3, 2006
    Publication date: December 25, 2008
    Applicant: SYMRISE GmbH & Co. KG
    Inventors: Markus Nobis, Bernd Hoelscher
  • Process for the preparation of ketones by ozonolysis
    Patent number: 7335796
    Abstract: The invention relates to a process for the preparation of a ketone from a tertiary alcohol having a double bond in the alpha position, that includes the step of contacting tertiary alcohol having a double bond in the alpha position with ozone in the presence of an inorganic base under ketone-forming reaction conditions.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: February 26, 2008
    Assignee: Symrise GmbH & Co., KG
    Inventor: Markus Nobis
  • Process for the preparation of ketones by ozonolysis
    Publication number: 20060224019
    Abstract: The invention relates to a process for the preparation of a ketone from a tertiary alcohol having a double bond in the alpha position, that includes the step of contacting tertiary alcohol having a double bond in the alpha position with ozone in the presence of an inorganic base under ketone-forming reaction conditions.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 5, 2006
    Inventor: Markus Nobis