Patents by Inventor Ralf Gradtke

Ralf Gradtke 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).

  • Publication number: 20120172404
    Abstract: The invention relates to a microbicidal use solution which comprises a) one or more isothiazolin-3-ones and b) one or two organic amines selected from N-dodecylpropane-1,3-diamine and bis(aminopropyl)-dodecylamine and optionally c) one or more oxidizing agents. The use solution is preferably in the form of technical and domestic products.
    Type: Application
    Filed: September 22, 2010
    Publication date: July 5, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Explotation Des Procedes George
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull, Jennifer Knopf
  • Publication number: 20120053215
    Abstract: A preservative which comprises a) one or more isothiazolones and b) one or more glycerol monoalkyl ethers, and the use of the preservative for microbicidal finishing of cosmetic and pharmaceutical products.
    Type: Application
    Filed: November 7, 2011
    Publication date: March 1, 2012
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Petra Kolditz
  • Patent number: 8093193
    Abstract: The invention relates to compositions which comprise one or more glycerol ethers together with one or more diol/diols and/or polyol/polyols. As a result, as well as good microbicidal effectiveness, whitening is reduced or avoided, drying-out of the skin is prevented, the moisture content is regulated and the skin is regreased to an adequate extent.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: January 10, 2012
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Sabine Wutsch, Klaus Weber, Ralf Gradtke
  • Patent number: 8084480
    Abstract: A microbicidal composition and its method of use for preserving technical products such as fuels and lubricants. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including salts and derivatives thereof, a tocopherol or one of its associated derivatives.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: December 27, 2011
    Assignee: Air Liquide Sante (International)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert
  • Patent number: 8076363
    Abstract: The invention relates to a preservative which 5 comprises a) one or more isothiazolones and b) one or more glycerol monoalkyl ethers, to the use of the preservatives for microbicidal finishing of cosmetic and pharmaceutical products, and to corresponding microbicidally finished products.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: December 13, 2011
    Assignee: Air Liquide Sante (International)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Petra Kolditz
  • Patent number: 8058218
    Abstract: The invention relates to compositions which comprise one or more glycerol ethers together with one or more diol/diols and/or polyol/polyols. As a result, as well as good microbicidal effectiveness, whitening is reduced or avoided, drying-out of the skin is prevented, the moisture content is regulated and the skin is regreased to an adequate extent.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: November 15, 2011
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Sabine Herweg, Klaus Weber, Ralf Gradtke
  • Publication number: 20110269847
    Abstract: Compositions having a combination a) of one or more glycerol monoalkyl ether(s) of the general formula R—O—CH2—CHOH—CH2OH in which R is a branched or unbranched C3-C18-alkyl group, where the alkyl group can be substituted by one or more hydroxyl and/or C1-C4-alkoxy group(s) and/or the alkyl chain can be interrupted by up to four oxygen atoms, with b) an antioxidant or two or more antioxidants as stabilizer(s), the simultaneous presence of phosphocholines and phosphocholine derivatives being excluded.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Ralf GRADTKE
  • Publication number: 20110218250
    Abstract: The invention relates to compositions which comprise one or more glycerol ethers together with one or more diol/diols and/or polyol/polyols. As a result, as well as good microbicidal effectiveness, whitening is reduced or avoided, drying-out of the skin is prevented, the moisture content is regulated and the skin is regreased to an adequate extent.
    Type: Application
    Filed: May 20, 2011
    Publication date: September 8, 2011
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: WOLFGANG BEILFUSS, Sabine Wutsch, Klaus Weber, Ralf Gradtke
  • Patent number: 7935701
    Abstract: Microbicidal composition for product preservation, including a microbicidal composition which comprises a) at least one formaldehyde donor compound and b) at least one antioxidant chosen from gallic esters, phenol derivatives, L-ascorbic acid, and salts and derivatives thereof, and tocopherols and derivatives thereof, and to the use thereof for the preservation of technical products, for example fuels and lubricants.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: May 3, 2011
    Assignee: Air Liquide Sante (International)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert
  • Publication number: 20110009676
    Abstract: A process for the preparation of a 1-alkyl glycerol ether of the formula (I) in which: (a) an alkyl glycidyl ether of the formula (II) in which R is an unbranched or branched C1- to C24-alkyl group, where the alkyl group may be substituted with one or more hydroxy and/or C1- to C4-alkoxy group(s) and/or the alkyl chain may be interrupted by up to four oxygen atoms, is added to: (x) a carboxylic acid having 1-10 carbon atoms; (y) an ester of a carboxylic acid having 1-10 carbon atoms; and/or (z) an anhydride of a carboxylic acid having 1-10 carbon atoms. The low-water reaction mixture containing a catalytic amount of a strong acid is reacted at a temperature of more than 40° C. to give an acylated alkyl glycerol ether; and (b) the acylated alkyl glycerol ether is reacted in order to obtain the alkyl glycerol ether of the formula (I).
    Type: Application
    Filed: July 6, 2010
    Publication date: January 13, 2011
    Applicant: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGE
    Inventors: Wolfgang BEILFUSS, Martin BALTHASAR, Ralf GRADTKE, Klaus WEBER, Heinz-Georg STEFFEN
  • Publication number: 20100331426
    Abstract: Disinfectant which has activity towards mycobacteria and has (a) 1-(2-ethylhexyl} glycerol ether and (b) one or more aromatic alcohols group including aryloxyalkanols, ethers and arylalkanols.
    Type: Application
    Filed: July 1, 2010
    Publication date: December 30, 2010
    Applicant: AIR LIQUIDE, SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Ralf GRADTKE, Wolfgang SIEGERT, Michael MOHR, Klaus WEBER
  • Publication number: 20100310487
    Abstract: An active ingredient combination which comprises a) glycerol monoalkyl ether, b) bispyridinium alkane, c) polyol and d) antioxidant. The combination is advantageously used for producing a preparation for the treatment of undesired body odour, for example for producing a cosmetic deodorant preparation, an antidandruff hair cleansing composition, a preparation for the treatment of blemished skin and acne or a preparation for the treatment of foot and/or skin fungus.
    Type: Application
    Filed: February 18, 2009
    Publication date: December 9, 2010
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang Beilfuss, Klaus Weber, Ralf Gradtke, Sabine Herwig
  • Patent number: 7846885
    Abstract: Cooling lubricant (concentrate or solution) comprising a cooling lubricant base based on mineral and/or synthetic oil and preservative comprising (a) one or more 1- or 2-(C3 to C24 alkyl)glyceryl ethers.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: December 7, 2010
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber
  • Publication number: 20100216677
    Abstract: Methods for preserving technical products such as fuels and lubricants with a microbicidal composition. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including salts and derivatives thereof, a tocopherol or one of its associated derivatives.
    Type: Application
    Filed: May 7, 2010
    Publication date: August 26, 2010
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Ralf GRADTKE, Wolfgang BEILFUSS, Klaus WEBER, Wolfgang SIEGERT
  • Patent number: 7781467
    Abstract: A microbicidal composition and its method of use for preserving technical products such as fuels and lubricants. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including salts and derivatives thereof, a tocopherol or one of its associated derivatives.
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: August 24, 2010
    Assignee: Air Liquide Sante (International)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert
  • Patent number: 7781466
    Abstract: The invention relates to a preservative comprising at least one isothiazolone, at least one quaternary ammonium compound, and at least one stabilizer selected from the group of sulphite salts, hydrogen sulphite salts, sulphite-releasing compounds and hydrogen-sulphite-releasing compounds, the presence of algicidal triazine being ruled out. The preservative inhibits the growth of fungi, algae and bacteria on or in alkaline coating compositions. The invention furthermore relates to a process for the preparation of the preservative, to its use in a coating composition, and to the preserved composition.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: August 24, 2010
    Assignee: Air Liquide Sante (International)
    Inventors: Petra Kolditz, Klaus Weber, Ralf Gradtke, Wolfgang Beilfuss
  • Publication number: 20090099188
    Abstract: A microbicidal composition and its method of use for preserving technical products such as fuels and lubricants. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including salts and derivatives thereof, a tocopherol or one of its associated derivatives.
    Type: Application
    Filed: December 12, 2008
    Publication date: April 16, 2009
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Ralf GRADTKE, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert
  • Patent number: 7481973
    Abstract: A composition and process for the disinfection of the surface 0f an article which contains 1-(2-ethylhexyl)-glycerol ether for the disinfection of the surface of an article at a temperature above 25° C.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: January 27, 2009
    Assignee: L'Air Liquide Sante International
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Peter Goroncy-Bermes, Sabine Behrends, Michael Mohr
  • Publication number: 20090012135
    Abstract: The invention relates to a preservative which 5 comprises a) one or more isothiazolones and b) one or more glycerol monoalkyl ethers, to the use of the preservatives for microbicidal finishing of cosmetic and pharmaceutical products, and to corresponding microbicidally finished products.
    Type: Application
    Filed: March 2, 2006
    Publication date: January 8, 2009
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Petra Kolditz
  • Publication number: 20080300283
    Abstract: The invention relates to microbicidal preparations which comprise a) at least one of 1,2-benzisothiazolin-3-one and its derivatives, b) at least one of 2-mercaptopyridine N-oxide, its salts and derivatives, c) at least one aromatic alcohol and d) at least one alkalinizing agent, or which are prepared by mixing components a) to d), where the preparations have a pH of at least 11. The preparations are characterized by the fact that they are clear and storage-stable, and they are suitable for use as preservatives.
    Type: Application
    Filed: September 21, 2007
    Publication date: December 4, 2008
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang Beilfuss, Gisela Hahn, Klaus Weber, Ralf Gradtke, Wolfgang Siegert