Patents by Inventor Ralf Gradke

Ralf Gradke 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).

  • Liquid concentrate for preserving cosmetics
    Patent number: 8501206
    Abstract: A liquid concentrate for preserving cosmetic products which includes a combination of carboxylic component being sodium benzoate and an alcohol component being a mixture of phenoxy ethanol and benzyl alcohol, in a water, where the combination is greater than 45% by weight of the liquid concentrate.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: August 6, 2013
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Gisela Hahn, Klaus Weber, Ralf Gradke
  • LIQUID CONCENTRATE FOR PRESERVING COSMETICS
    Publication number: 20120232168
    Abstract: A liquid concentrate for preserving cosmetic products which includes a combination of carboxylic component being sodium benzoate and an alcohol component being a mixture of phenoxy ethanol and benzyl alcohol, in a water, where the combination is greater than 45% by weight of the liquid concentrate.
    Type: Application
    Filed: May 17, 2012
    Publication date: September 13, 2012
    Applicant: AIR LIQUIDE SANTE (INTERNATIONAL)
    Inventors: Wolfgang BEILFUSS, Gisela HAHN, Klaus WEBER, Ralf GRADKE
  • Liquid concentrate for preserving cosmetics
    Patent number: 8197833
    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: Grant
    Filed: January 13, 2009
    Date of Patent: June 12, 2012
    Assignee: Air Liquide Sante (International)
    Inventors: Wolfgang Beilfuss, Gisela Hahn, Klaus Weber, Ralf Gradke
  • Liquid concentrate for preserving cosmetics
    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
  • LIQUID CONCENTRATE FOR PRESERVING COSMETICS
    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