Patents by Inventor Silvia Sauf

Silvia Sauf 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).

  • THERMOLABILE PRO-FRAGRANCES OF FRAGRANCE KETONES
    Publication number: 20210147761
    Abstract: Compositions comprising pro-fragrances of fragrance ketones may be suitable for perfuming laundry, washing and cleaning agents, since they respectively release the respective ketones during cleavage.
    Type: Application
    Filed: September 25, 2018
    Publication date: May 20, 2021
    Inventors: Sascha Wilhelm SCHAEFER, Silvia SAUF
  • Cyclic ketals as fragrance precursor compounds
    Patent number: 10941156
    Abstract: The invention is directed to the field of pro-fragrances used in detergents and cleaning agents, cosmetic agents and air fresheners, for example. The invention relates to particular cyclic ketals used as pro-fragrances. The invention also relates to detergents and cleaning agents, cosmetic agents and air fresheners containing ketals of the type. The invention further relates to a method for creating a long-lasting fragrance on surfaces and for repelling insects.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 9, 2021
    Assignee: Henkel AG & Co. KGaA
    Inventors: Sascha Schaefer, Silvia Sauf
  • HYDROLYTICALLY LABILE SILYL ENOL ETHER FRAGRANCE KETONES OR ALDEHYDES
    Publication number: 20200331935
    Abstract: Silyl enol ethers are disclosed that contain odoriferous ketone or aldehyde residues and are suitable for fragrancing laundry. Compositions may include the silyl enol ethers and an agent that is a washing agent, a cleaning agent, a cosmetic agent, an air care agent, an insect repellent, or combinations thereof. Silyl enol ethers release ketones and aldehydes during hydrolysis.
    Type: Application
    Filed: September 25, 2018
    Publication date: October 22, 2020
    Inventors: Sascha Wilhelm SCHAEFER, Silvia SAUF, Benjamin William BERNTSSON
  • Cyclic Ketals As Fragrance Precursor Compounds
    Publication number: 20190276469
    Abstract: The invention is directed to the field of pro-fragrances used in detergents and cleaning agents, cosmetic agents and air fresheners, for example. The invention relates to particular cyclic ketals used as pro-fragrances. The invention also relates to detergents and cleaning agents, cosmetic agents and air fresheners containing ketals of the type. The invention further relates to a method for creating a long-lasting fragrance on surfaces and for repelling insects.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 12, 2019
    Applicant: Henkel AG & Co. KGaA
    Inventors: Sascha Schaefer, Silvia Sauf
  • 1-aza-3,7-dioxabicyclo[3,3,0]octane compounds and monocyclic oxazolidines as pro-fragrances
    Patent number: 8680040
    Abstract: Silicic acid esters to which fragrances are bound, preferably as 1-aza-3,7-dioxabicyclo[3,3,0]octane compounds or as monocyclic oxazolidines and that are suitable for adding fragrance to detergents and cleaning agents because they release the bound fragrances in hydrolysis.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: March 25, 2014
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ursula Huchel, Thomas Gerke, Silvia Sauf, Claudia Klink
  • 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds and their use as pro-fragrances
    Patent number: 8466294
    Abstract: 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds, process for their preparation, their use as pro-fragrances, and washing and cleaning compositions, fabric softeners and cosmetics comprising them, and a process for prolonging the odor perception of such compositions.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: June 18, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ursula Huchel, Silvia Sauf, Thomas Gerke
  • LILIAN SURROGATE
    Publication number: 20120004328
    Abstract: Due to toxicological concerns, it may be desirable to replace the fragrance compound lilial with less problematic compounds without losing the creative power and quality regarding perfumes. The present invention addresses this need by using selected oxazolidines described herein.
    Type: Application
    Filed: September 14, 2011
    Publication date: January 5, 2012
    Applicant: Henkel AG & Co. KGaA
    Inventors: Ursula Huchel, Ralf Bunn, Manuela Materne, Werner Faber, Hubert Smyrek, Theo ten Pierik, Frank Rittler, Andreas Bauer, Michael Dischmann, Silvia Sauf, Dagmar Preis-Amberger
  • 1-Aza-3,7-Dioxabicyclo[3,3,0]Octane Compounds and Monocyclic Oxazolidines as Pro-Fragrances
    Publication number: 20090312231
    Abstract: Silicic acid esters to which fragrances are bound, preferably as 1-aza-3,7-dioxabicyclo[3,3,0]octane compounds or as monocyclic oxazolidines and that are suitable for adding fragrance to detergents and cleaning agents because they release the bound fragrances in hydrolysis.
    Type: Application
    Filed: June 17, 2009
    Publication date: December 17, 2009
    Applicant: Henkel AG & Co. KGaA
    Inventors: Ursula Huchel, Thomas Gerke, Silvia Sauf, Claudia Klink
  • 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds and their use as pro-fragrances
    Publication number: 20080305063
    Abstract: 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds, process for their preparation, their use as pro-fragrances, and washing and cleaning compositions, fabric softeners and cosmetics comprising them, and a process for prolonging the odor perception of such compositions.
    Type: Application
    Filed: July 17, 2008
    Publication date: December 11, 2008
    Inventors: Ursula HUCHEL, Silvia SAUF, Thomas GERKE
  • Polyurethane dispersions
    Publication number: 20030119979
    Abstract: The invention relates to aqueous polyurethane dispersions with an acid number of 5 to 60 mg KOH/g of the polyurethane solid, a hydroxyl group content of 0.25 to 6.5% by weight and 2 to 25% by weight of urethane groups (calculated as —NH—CO—O—) based on the polyurethane solid.
    Type: Application
    Filed: October 10, 2002
    Publication date: June 26, 2003
    Inventors: Larz Zander, Rainer Hoefer, Ulrich Nagorny, Silvia Sauf