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: 20080255015
    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 regressed to an adequate extent.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 16, 2008
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Sabine Wutsch, Klaus Weber, Ralf Gradtke
  • Publication number: 20080171679
    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: Application
    Filed: August 6, 2007
    Publication date: July 17, 2008
    Applicant: AIR LIQUIDE, SANTE
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl--Heinz Diehl, Klaus Weber
  • Publication number: 20080161392
    Abstract: The invention relates to a liquid concentrate for the preservation of cosmetic an pharmaceutical prod nets which comprises 3-iodo-2-propynyl butylcarbamate (IPBC), at least on liquid carrier selected from the group consisting of: polyvalent alcohols, glycol esters and glycol ethers, and at least one stabilizer selected from the group consisting of: formic acid, formic acid salts, and format esters, and comprising no additional carboxylic acid selected from the group consisting of: benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydroacetic acid and 10-undecylenic acid and a salt thereof being present.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 3, 2008
    Applicant: L'AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Gisela Hahn, Klaus Weber, Ralf Gradtke, Wolfgang Beilfuss
  • Patent number: 7368466
    Abstract: A liquid, cold-temperature-stabilized preservative is based on carbendazim or a salt thereof, which includes, as low-temperature stabilizer, at least one aromatic alcohol and/or at least one aromatic glycol ether and/or a pyrrolidone.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: May 6, 2008
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Olaf Kramf, Andreas Teevst
  • Patent number: 7364746
    Abstract: The invention relates to a liquid concentrate for the preservation of cosmetic and pharmaceutical products which comprises 3-iodo-2-propynyl butylcarbamate (IPBC), at least one liquid carrier selected from the group consisting of: polyvalent alcohols, glycol esters and glycol ethers, and at least one stabilizer selected from the group consisting of: formic acid, formic acid salts, and formate esters, and comprising no additional carboxylic acid selected from the group consisting of: benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydroacetic acid and 10-undecylenic acid and a salt thereof being present.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: April 29, 2008
    Assignee: Air Liquide Sante (International)
    Inventors: Gisela Hahn, Klaus Weber, Ralf Gradtke, Wolfgang Beilfuss
  • Publication number: 20080076803
    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 and c) at least one alkalinizing agent, or which are prepared by mixing components a) to c), 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: August 22, 2007
    Publication date: March 27, 2008
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Gisela HAHN, Kaus WEBER, Ralf GRADTKE, Wolfgang SIEGERT
  • Publication number: 20080027142
    Abstract: The invention relates to a concentrate for cleaning and disinfection which comprises (i) one or more alkyl alcohol alkoxylates, (ii) one or more formaldehyde donor compounds, (iii) optionally one or more biocidal, in particular fungicidal, active ingredient(s), (iv) optionally one or more glycols and (v) optionally up to 10% by weight of water. Concentrates according to the invention can be formulated with a high content of formaldehyde donor compound without an undesired formaldehyde odour arising.
    Type: Application
    Filed: July 30, 2007
    Publication date: January 31, 2008
    Applicant: AIR LIQUID SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Ralf Gradtke, Ingo Krull
  • Patent number: 7268102
    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: May 30, 2003
    Date of Patent: September 11, 2007
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber
  • Publication number: 20070197414
    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: Application
    Filed: April 18, 2007
    Publication date: August 23, 2007
    Applicant: AIR LIQUIDE, SANTE (INTERNATIONAL)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber
  • Publication number: 20070093538
    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: Application
    Filed: September 21, 2006
    Publication date: April 26, 2007
    Inventors: Petra Kolditz, Klaus Weber, Ralf Gradtke, Wolfgang Beilfuss
  • Publication number: 20060223806
    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: Application
    Filed: June 1, 2006
    Publication date: October 5, 2006
    Inventors: Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert
  • Publication number: 20060148873
    Abstract: A liquid, cold-temperature-stabilized preservative is based on carbendazim or a salt thereof, which includes, as low-temperature stabilizer, at least one aromatic alcohol and/or at least one aromatic glycol ether and/or a pyrrolidone.
    Type: Application
    Filed: March 2, 2006
    Publication date: July 6, 2006
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Olaf Kramf, Andreas Teevst
  • Publication number: 20060142291
    Abstract: The invention relates to the use of a bactericide selected from formaldehyde and formaldehyde-releasing compounds in a composition for controlling mycobacteria, for example in a cooling lubricant.
    Type: Application
    Filed: November 28, 2005
    Publication date: June 29, 2006
    Inventors: Wolfgang Beilfuss, Info Krull, Ralf Gradtke, Katrin Steinhauer
  • Patent number: 7045542
    Abstract: A liquid, cold-temperature-stabilized preservative is based on carbendazim or a salt thereof, which includes, as low-temperature stabilizer, at least one aromatic alcohol and/or at least one aromatic glycol ether and/or a pyrrolidone.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: May 16, 2006
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Olaf Kramf, Andreas Teevst
  • Publication number: 20060091361
    Abstract: Methods and compositions for preserving articles. A preservation composition is made of isothiazolone and a condensation product which includes glycol, urea, and formaldehyde. The composition does not include 5-chloro-2-methylisothiazolone, 2-mercaptopyridine N-oxide or derivatives thereof.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 4, 2006
    Inventors: Klaus Weber, Wolfgang Beilfuss, Ralf Gradtke
  • Publication number: 20050238681
    Abstract: The present invention relates to compositions which comprise 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: June 22, 2005
    Publication date: October 27, 2005
    Inventors: Wolfgang Beilfuss, Ralf Gradtke
  • Patent number: 6956062
    Abstract: The present invention relates to compositions which comprise 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: Grant
    Filed: May 17, 2001
    Date of Patent: October 18, 2005
    Assignee: Air Liquide Santé (International)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke
  • Publication number: 20050218379
    Abstract: A method of use and a composition with reduced formaldehyde and amine emissions. The composition contains an N-formal, an emission reducing additive, and monoethylene glycol. The emission reducing additive may be urea, a urea derivative, an amino acid, guanidine, or a guanidine derivative.
    Type: Application
    Filed: March 24, 2005
    Publication date: October 6, 2005
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Klaus Weber
  • Publication number: 20050154067
    Abstract: The invention relates to a stabilizer composition which comprises (a) one or more 1- or 2-(C1- to C24-alkyl) glycerol ethers (glycerol monoalkyl ethers) and (b) a mixture of at least two different aromatic alcohols (b1, b2) chosen from the groups of i) aryloxyalkanols, ii) arylalkanols and iii) oligoalkanol aryl ethers, where the two different aromatic alcohols belong to different groups i), ii) and iii).
    Type: Application
    Filed: December 3, 2004
    Publication date: July 14, 2005
    Inventors: Wolfgang Beilfuss, Ralf Gradtke, Petra Kolditz, Klaus Weber
  • Publication number: 20050113425
    Abstract: Stable microbicidal compositions for industrial products which comprise a) at least one bactericidal N-formal, b) at least one fungicide and c) at least one stabilizer.
    Type: Application
    Filed: October 19, 2004
    Publication date: May 26, 2005
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang Beilfuss, Ralf Gradtke