Patents by Inventor Ev Suess

Ev Suess 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).

  • Method for purification of 4-hydroxyacetophenone
    Patent number: 10981854
    Abstract: Methods of purifying crude 4-hydroxyacetophenone using one or more solvents as well as products comprising or consisting of crystallized 4-hydroxyacetophenone and one, two or more solvent(s). The products may be obtained or obtainable from the methods for purifying crude 4-hydroxyacetophenone.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: April 20, 2021
    Assignees: SYMRISE AG, SINO-HIGH (CHINA) CO. LTD.
    Inventors: Ravikumar Pillai, Sven Siegel, Ev Suess, Karolin Bolte, Yan Liuxin
  • METHOD FOR PURIFICATION OF 4-HYDROXYACETOPHENONE
    Publication number: 20210002200
    Abstract: Methods of purifying crude 4-hydroxyacetophenone using one or more solvents as well as products comprising or consisting of crystallized 4-hydroxyacetophenone and one, two or more solvent(s). The products may be obtained or obtainable from the methods for purifying crude 4-hydroxyacetophenone.
    Type: Application
    Filed: August 24, 2020
    Publication date: January 7, 2021
    Inventors: Ravikumar Pillai, Sven Siegel, Ev Suess, Karolin Bolte, Yan Liuxin
  • Method for purification of 4-hydroxyacetophenone
    Patent number: 10752571
    Abstract: Methods of purifying crude 4-hydroxyacetophenone using one or more solvents as well as products comprising or consisting of crystallized 4-hydroxyacetophenone and one, two or more solvent(s). The products may be obtained or obtainable from the methods for purifying crude 4-hydroxyacetophenone.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: August 25, 2020
    Assignees: SYMRISE AG, SINO-HIGH (CHINA) CO. LTD.
    Inventors: Ravikumar Pillai, Sven Siegel, Ev Suess, Karolin Bolte, Yan Liuxin
  • METHOD FOR PURIFICATION OF 4-HYDROXYACETOPHENONE
    Publication number: 20200039911
    Abstract: Methods of purifying crude 4-hydroxyacetophenone using one or more solvents as well as products comprising or consisting of crystallized 4-hydroxyacetophenone and one, two or more solvent(s). The products may be obtained or obtainable from the methods for purifying crude 4-hydroxyacetophenone.
    Type: Application
    Filed: April 21, 2017
    Publication date: February 6, 2020
    Applicants: Symrise AG, Sino-High (China) Co. Ltd.
    Inventors: Ravikumar PILLAI, Sven SIEGEL, Ev SUESS, Karolin BOLTE, Yan LIUXIN
  • Ethylene Oxide Free Antiperspirant/Deodorant Formulations
    Publication number: 20110274637
    Abstract: This invention relates to ethylene oxide free antiperspirant/deodorant formulations comprising at least one antiperspirant/deodorant active ingredient and at least one quaternary polymer having the INCI designation polyquaternium 37.
    Type: Application
    Filed: November 19, 2009
    Publication date: November 10, 2011
    Applicant: Cognis IP Management GmbH
    Inventors: Jadranka Milardovic, Petra Schulte, Gabriele Strauss, Ev Suess