Patents by Inventor Frank Gerstmann

Frank Gerstmann 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).

  • NOVEL SYNTHETIC STEPS FOR THE MANUFACTURING METHOD OF THE PDE4B-INHIBITOR 1-({(5R)-2-[4-(5-CHLOROPYRIMIDINE-2-YL)PIPERIDINE-1-YL]-5-OXIDO-6,7-DIHYDROTHIENO[3,2-D]PYRIMIDINE-4-YL}AMINO)CYCLOBUTYL]METHANOL
    Publication number: 20250270230
    Abstract: The invention is directed to an improved method of manufacturing the PDE4B-inhibitor of formula XX
    Type: Application
    Filed: December 17, 2024
    Publication date: August 28, 2025
    Inventors: Jocelyn M. ABELLA, Tobias BRODMANN, Dabing CHEN, Mai Thi Quynh DANG, Rogelio P. FRUTOS, Joe Ju GAO, Frank GERSTMANN, Robert HAGENKOETTER, Ruoshi LI, Daniel Jens MARCKART, Jason Alan MULDER, Jana ORBEN, Christian STANGE, Thomas G. TAMPONE, Dirk WEBER
  • PRECURSORS FOR THE CONTROLLED RELEASE OF A,B-UNSATURATED ALDEHYDES OR KETONES AND OTHER HIGH IMPACT FRAGRANCE SUBSTANCES
    Publication number: 20250170074
    Abstract: The present invention primarily relates to compounds of formula (I) as defined herein. It also relates to fragrance substance mixtures as defined herein and methods for producing the same and to perfumed products as defined herein and methods for producing the same. The present invention further relates to the use of a compound of formula (I) as defined herein as a precursor for the release of two or more different pleasantly smelling fragrance substances, to methods for the release of two or more different pleasantly smelling fragrance substances and to thiols as defined herein.
    Type: Application
    Filed: May 4, 2023
    Publication date: May 29, 2025
    Applicant: SYMRISE AG
    Inventors: Frank GERSTMANN, Bernd HÖLSCHER, Thorsten JUNGE, Jörg EILERS, Lucie KEPLER-BOZKURT, Stephanie KORTE, Marc VOM ENDE, Franziska ELTERLEIN, Philip KRAFT
  • NOVEL AROMATIC MONOTHIOKETALS AS FRAGRANCE COMPOUNDS
    Publication number: 20240117269
    Abstract: The present invention relates to new odorants or odorant mixtures comprising a sensory effective amount of the compounds of formula (I). In addition, the present invention relates to perfume oils, modified perfume oils, perfume compositions, perfume oil preparations and perfumed products comprising at least one of the compounds of formula (I) in a sensory effective amount. Furthermore, the invention relates to the use of at least one of the compounds of formula (I) as an odorant or in odorant mixtures as well as perfumed products.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 11, 2024
    Inventors: Frank Gerstmann, Bernd Hoelscher
  • 2-(5-isopropyl-2-methyl-cyclohex-2-en-1-yl-)acetaldehyde and 2-(6-isopropyl-3-methyl-cyclohex-2-en-1-yl-) acetaldehyde as new odorants
    Patent number: 11420921
    Abstract: The present invention relates to novel compounds of formula (I) as well as mixtures comprising or consisting of compounds of formula (I). Furthermore, the present invention relates to a process for the preparation of the compounds of formula (I) and to the use of the compounds of formula (I) as a perfuming ingredient, in particular as a lily of the valley perfuming ingredient. Ultimately, the present invention relates to perfume preparations and perfumed products or consumer goods comprising at least one of the compounds of formula (I).
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 23, 2022
    Assignee: SYMRISE AG
    Inventors: Bernd Hoelscher, Frank Gerstmann, Mark Mansfeld
  • 2-(5-ISOPROPYL-2-METHYL-CYCLOHEX-2-EN- 1-YL-)ACETALDEHYDE AND 2-(6-ISOPROPYL- 3-METHYL-CYCLOHEX-2-EN-1-YL-) ACETALDEHYDE AS NEW ODORANTS
    Publication number: 20220033338
    Abstract: The present invention relates to novel compounds of formula (I) as well as mixtures comprising or consisting of compounds of formula (I). Furthermore, the present invention relates to a process for the preparation of the compounds of formula (I) and to the use of the compounds of formula (I) as a perfuming ingredient, in particular as a lily of the valley perfuming ingredient. Ultimately, the present invention relates to perfume preparations and perfumed products or consumer goods comprising at least one of the compounds of formula (I).
    Type: Application
    Filed: September 19, 2018
    Publication date: February 3, 2022
    Inventors: Bernd Hoelscher, Frank Gerstmann, Mark Mansfeld