Patents by Inventor Rolf Kawa
Rolf Kawa 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).
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Patent number: 10544086Abstract: The disclosure relates to dialkyl carbonates of branched alcohols and their use in cosmetic and/or pharmaceutical compositions. The disclosure more particularly relates to dialkyl carbonates in which the alkyl groups are both 2-propyl-1-heptyl groups.Type: GrantFiled: May 30, 2017Date of Patent: January 28, 2020Assignee: Cognis IP Management GmbHInventors: Achim Ansmann, Bernd Boutty, Markus Dierker, Stefan Bruening, Rolf Kawa
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Patent number: 10537505Abstract: The invention relates to a hydrocarbon mixture that contains at least two hydrocarbons that are different from each other, the number of carbons thereof differing by more than one, wherein said two hydrocarbons that differ from each other make up at least 60% by weight, preferably at least 70% by weight of the total of the hydrocarbons. The invention also relates to the use of said hydrocarbon mixtures and to cosmetic and/or pharmaceutical preparations containing said hydrocarbon mixtures.Type: GrantFiled: October 18, 2016Date of Patent: January 21, 2020Assignee: Cognis IP Management GmbHInventors: Markus Dierker, Bettina Jackwerth, Rolf Kawa, Stefanie Maurer
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Patent number: 10172773Abstract: Disclosed is a method of reducing or avoiding staining in or on clothing caused by a cosmetic or dermatological preparation comprising one or more antiperspirant substances and/or of improving the ability of stains in or on clothing which are caused at least in part by said preparation to be washed out from the clothing. The method comprises including in the preparation one or more cationic surfactants.Type: GrantFiled: November 6, 2013Date of Patent: January 8, 2019Assignee: Beiersdorf AGInventors: Michael Urban, Heike Miertsch, Stefan Biel, Sabine Kuehne, Stefan Bruening, Rolf Kawa
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Patent number: 10111818Abstract: Disclosed is cosmetic or dermatological preparation which comprises one or more antiperspirant substances and one or more cationic surfactants.Type: GrantFiled: December 18, 2013Date of Patent: October 30, 2018Assignee: BEIERSDORF AGInventors: Michael Urban, Heike Miertsch, Stefan Biel, Sabine Kuehne, Stefan Bruening, Rolf Kawa
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Patent number: 10105300Abstract: Disclosed is cosmetic or dermatological preparation which is present as an aerosol spray and comprises one or more antiperspirant substances and one or more cationic surfactants.Type: GrantFiled: November 6, 2013Date of Patent: October 23, 2018Assignee: BEIERSDORF AGInventors: Michael Urban, Heike Miertsch, Stefan Biel, Sabine Kuehne, Stefan Bruening, Rolf Kawa
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Patent number: 9750668Abstract: The present invention relates to an emulsion concentrate containing water-insoluble oil components (A), hydrophilic non-ionic emulsifiers (B), lipophilic co-emulsifiers (C), polyols (D) and water; which comprises less than 50% by weight of water-insoluble oil component (A), based on the total weight of the concentrate, and comprises components (A), (B) and (C) and (D) in a ratio by weight A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65). The invention further relates to the use of these emulsion concentrates, and also to preparations and paper products, non-woven products or textile products for body care and personal cleansing, which comprise water-insoluble oil components (A), hydrophilic non-ionic emulsifiers (B), lipophilic co-emulsifiers (C), and polyols (D) in a ratio by weight A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65).Type: GrantFiled: August 6, 2007Date of Patent: September 5, 2017Assignee: Cognis IP Management GmbHInventors: Gabriele Strauss, Rolf Kawa, Petra Schulte, Anja Stork
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Publication number: 20170035665Abstract: The invention relates to a hydrocarbon mixture that contains at least two hydrocarbons that are different from each other, the number of carbons thereof differing by more than one, wherein said two hydrocarbons that differ from each other make up at least 60% by weight, preferably at least 70% by weight of the total of the hydrocarbons. The invention also relates to the use of said hydrocarbon mixtures and to cosmetic and/or pharmaceutical preparations containing said hydrocarbon mixtures.Type: ApplicationFiled: October 18, 2016Publication date: February 9, 2017Inventors: Markus Dierker, Bettina Jackwerth, Rolf Kawa, Stefanie Maurer
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Patent number: 9416337Abstract: The present invention relates to a process for preparing esters from fatty alcohols, in which fatty alcohols and fatty acids are reacted in the presence of an enzyme at a temperature in the range of 30 to 50° C., the water which forms is removed and the reaction is completed under reduced pressure at a temperature of 50 to 80° C.Type: GrantFiled: October 7, 2013Date of Patent: August 16, 2016Assignee: BASF SEInventors: Peter Kempers, Ulrich Schörken, Rolf Kawa, Jörg Schwarzer, Thomas Wolf
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Patent number: 9333262Abstract: Mixtures of Guerbet alcohols, their use in cosmetic and/or pharmaceutical preparations, and also cosmetic and/or pharmaceutical preparations comprising mixtures of Guerbet alcohols are described. Of suitability as petroleum jelly substitute are in particular Guerbet alcohol mixtures with a melting range, measured by differential scanning calorimetry (DSC), between ?20° C. and +70° C., where the width of the melting range comprises at least 30 temperature degrees and the maximum of the melting range is 35±10° C. These are obtainable for example by reacting a) 55 to 95% by weight of cetylstearyl alcohol, b) 5 to 45% by weight of fatty alcohols with a chain length of from 8 to 22 carbon atoms and c) optionally an aliphatic diol having at least 3 carbon atoms.Type: GrantFiled: February 15, 2013Date of Patent: May 10, 2016Assignee: BASF SEInventors: Peter Kempers, Rolf Kawa, Stefan Brüning, Jadranka Milardovic, Eike Ulf Mahnke, Heinz-Josef Krüppel, Markus Dierker, Burkhard Beckedahl
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Patent number: 9180075Abstract: Described are compositions, containing a. compounds selected from (i.) hydrogenated and/or non-hydrogenated, ethoxylated and/or propoxylated triglycerides of ricinoleic acid having degree of ethoxylation and/or propoxylation of ?20, (ii.) addition products of 2-50 mol ethylene oxide on sorbitan monoesters and/or diesters of saturated or unsaturated fatty acids having 6-22 carbon atoms, and (iii.) addition products of 2-50 mol ethylene oxide and 1-20 mol propylene oxide on alpha olefin epoxides having 8-22 carbon atoms and ring-opened with polyols, b. ethoxylated and/or propoxylated glycerol fatty acid monoester and/or diester having degree of ethoxylation of <20, c. polyol selected from glycerol, diglycerol, trigylcerol, tetraglycerol, alkylene glycols and polyalkylene glycols, d. glycerol fatty acid monoester of general formula (I), where R1 is saturated or unsaturated, branched or linear group having 9-19 carbon atoms, and e. ?20 wt % water.Type: GrantFiled: November 16, 2010Date of Patent: November 10, 2015Assignee: Cognis IP Management GmbHInventors: Jana Schmitz, Petra Schulte, Anja Stork, Rolf Kawa
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Patent number: 9072917Abstract: The invention relates to esters of general formula (I) R1—C(?O)—O—R2, wherein (1) R1 represents a linear alkyl radical having 7 to 9 carbon atoms and R2 represents a linear alkyl radical having 9 to 10 carbon atoms or (2) R1 is a linear alk radical having 8 to 9 carbon atoms and R2 is a linear alkyl radical having 8 carbon atoms, or (3) R1 is a linear alkyl radical having 7 to 9 carbon atoms and R2 is a linear alkyl radical having 7 carbon atoms, or (4) R1 is an alkyl radical having 7 or 8 carbon atoms and R2 is an alkyl radical having 9 carbon atoms where, if R1 is a linear alkyl radical, R2 is a branched alkyl radical, or, if R1 is a branched alkyl radical, R2 is a linear alkyl radical or (5) R1 represents an alkyl radical having 8 carbon atoms and R2 is an alkyl radical having 8 carbon atoms, where, if R1 is a linear alkyl radical, R2 is a branched alkyl radical, or, if R1 is a branched alkyl radical, R2 is a linear alkyl radical, or n-octyl isooctanoate, n-decyl isooctanoate, n-decyl isononanoate, isononyType: GrantFiled: June 19, 2010Date of Patent: July 7, 2015Assignee: Cognis IP Management GmbHInventors: Rolf Kawa, Stefan Brüning, Stefanie Maurer
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Patent number: 8993003Abstract: The invention relates to a water-free oil-based composition which is liquid at 20° C./normal pressure and which contains (a) 2 to 90% by weight of at least one linear and/or branched dialkyl carbonate and (b) 2 to 95% by weight of at least one linear and/or branched alkane containing 8 to 40 carbon atoms and to its use in the cosmetics field.Type: GrantFiled: August 26, 2004Date of Patent: March 31, 2015Assignee: Cognis IP Management GmbHInventors: Catherine Mitchell, Rolf Kawa, Ulrich Issberner, Achim Ansmann, Bettina Jackwerth
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Patent number: 8993811Abstract: Described herein are mixed ethers and cosmetic and/or pharmaceutical preparations comprising mixed ethers. Certain mixed ethers have a melting range between ?25° C. and +70° C., wherein the width of the melting range comprises at least 30 temperature degrees and the maximum of the melting range is 35 ±10° C. These mixed ethers are obtainable for example by condensation reaction of a) 25 to 90% by weight of unbranched fatty alcohols with a chain length of 12 to 19 carbon atoms; b) 5 to 50 by weight of isostearyl alcohol; c) 0 to 35% by weight of a fatty alcohol with a chain length of 20 and/or 22 carbon atoms; and d) 0 to 25% by weight of a fatty alcohol having 8 and/or 10 carbon atoms.Type: GrantFiled: February 15, 2013Date of Patent: March 31, 2015Assignee: BASF SEInventors: Markus Dierker, Peter Kempers, Rolf Kawa, Stefan Brüning, Jadranka Milardovic, Burkhard Beckedahl, Eike Ulf Mahnke, Heinz-Josef Krüppel
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Patent number: 8956598Abstract: The invention relates to hydrocarbon mixtures containing the 14C isotope, use thereof and cosmetic and/or pharmaceutical preparations comprising hydrocarbon mixtures containing the 14C isotope.Type: GrantFiled: June 12, 2008Date of Patent: February 17, 2015Assignee: Cognis IP Management GmbHInventors: Bettina Jackwerth, Markus Dierker, Rolf Kawa, Stefanie Maurer
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Patent number: 8940943Abstract: The invention relates to compounds of the general formula (I), where R1 is a branched alkyl(ene) radical having from 10 to 22 carbon atoms and having at least one branch in position 1, 2, 3 or 4 relative to the oxygen atom, R2 is a linear or branched alkyl(ene) radical having from 1 to 13 carbon atoms and R1 and R2 are selected so that the total number of carbon atoms in formula (I) is from 11 to 23. The compounds of the invention are suitable for preparation of or in cosmetic and/or pharmaceutical preparations, in particular as oily substances.Type: GrantFiled: July 22, 2011Date of Patent: January 27, 2015Assignee: Cognis IP Management GmbHInventors: Burkhard Beckedahl, Markus Dierker, Rolf Kawa, Stefan Brüning
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Patent number: 8921430Abstract: The invention is directed to a mixture of esters according to the general formula (I), R1—C(?O)—O—R2, wherein R1 is an alkyl moiety with 7 to 9 carbon atoms and wherein R2 is a an alkyl moiety with 8 to 10 carbon atoms, wherein the mixture comprises 5 to 60 weight-% of ester of the general formula (I), wherein R1 is an alkyl moiety with 9 carbon atoms, based on the total amount of esters according to formula (I) and/or wherein the mixture comprises 5 to 60 weight-% of ester of the general formula (I), wherein R2 is an alkyl moiety with 10 carbon atoms, based on the total amount of esters according to formula (I). The invention is further directed to cosmetic and/or pharmaceutical compositions comprising such esters and processes for the production of such esters.Type: GrantFiled: June 19, 2010Date of Patent: December 30, 2014Assignee: Cognis IP Management GmbHInventors: Rolf Kawa, Stefan Brüning
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Patent number: 8758734Abstract: A system for dispensing a foamed aqueous emulsion is provided. The system is a foam-dispensing container and an aqueous emulsion of an oil component with improved foamability. The foamability is improved by including in the emulsion a polyol poly-12-hydroxystearate surfactant as an emulsifier. The aqueous emulsion contains polyol poly-12-hydroxystearate, an oil component, other surfactants and can contain UV protection factors, water and optionally other auxiliaries and additives.Type: GrantFiled: April 10, 2003Date of Patent: June 24, 2014Assignee: Cognis IP Management GmbHInventors: Rolf Kawa, Peter Finkel, Hannelore Merheim, Sylvia Henig
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Publication number: 20140170717Abstract: The present invention relates to a process for preparing esters from fatty alcohols, in which fatty alcohols and fatty acids are reacted in the presence of an enzyme at a temperature in the range of 30 to 50° C., the water which forms is removed and the reaction is completed under reduced pressure at a temperature of 50 to 80° C.Type: ApplicationFiled: October 7, 2013Publication date: June 19, 2014Applicant: BASF SEInventors: Peter Kempers, Ulrich Schörken, Rolf Kawa, Jörg Schwarzer, Thomas Wolf
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Publication number: 20140105841Abstract: Disclosed is cosmetic or dermatological preparation which comprises one or more antiperspirant substances and one or more cationic surfactants.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Applicant: BEIERSDORF AGInventors: Michael URBAN, Heike MIERTSCH, Stefan BIEL, Sabine KUEHNE, Stefan BRUENING, Rolf KAWA
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Patent number: 8691250Abstract: The invention comprises the use of one or more charged surfactants in preparations having an antiperspirant effect for reducing staining in or on clothing and improving improvement the ability of stains to be washed out of the clothing.Type: GrantFiled: February 24, 2010Date of Patent: April 8, 2014Assignee: Beiersdorf AGInventors: Michael Urban, Heike Miertsch, Stefan Biel, Sabine Kuehne, Stefan Bruening, Rolf Kawa