Patents by Inventor Wolfgang Beilfuss

Wolfgang Beilfuss 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: 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: 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
  • 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: 7537776
    Abstract: A liquid concentrate for preserving cosmetic products includes a combination of carboxylic acid salts chosen from the salts of benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydracetic acid, formic acid or 10-undecylenic acid and alcohols chosen from 2-phenozyethanol, benzyl alcohol, phenethyl alcohol, 1-phenoxypropan-2-ol, 3-(4-chlorophenoxy)-1,2-propanediol, chlorobutanol or 2,4-dichlorobenzyl alcohol in a solvent, where the active ingredient content is greater than 45% by weight.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: May 26, 2009
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Gisela Hahn, Klaus Weber, Ralf Gradke
  • Publication number: 20090123577
    Abstract: The invention relates to a liquid concentrate for preserving cosmetic products which comprises a combination of carboxylic acid salts chosen from the salts of benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydracetic acid, formic acid or 10-undecylenic acid and alcohols chosen from 2-phenoxyethanol, benzyl alcohol, phenethyl alcohol, 1-phenoxypropan-2-ol, 3-(4-chlorophenoxy)-1,2-propanediol, chlorobutanol or 2,4-dichlorobenzyl alcohol in a solvent, where the active ingredient content is greater than 45% by weight.
    Type: Application
    Filed: January 13, 2009
    Publication date: May 14, 2009
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Gisela Hahn, Klaus Weber, Ralf Gradke
  • 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
  • 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