Oxygen Heterocycle Patents (Class 252/186.4)
  • Reduced weight decontamination formulation for neutralization of chemical and biological warfare agents
    Patent number: 8741174
    Abstract: A reduced weight DF-200 decontamination formulation that is stable under high temperature storage conditions. The formulation can be pre-packed as an all-dry (i.e., no water) or nearly-dry (i.e., minimal water) three-part kit, with make-up water (the fourth part) being added later in the field at the point of use.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: June 3, 2014
    Assignee: Sandia Corporation
    Inventor: Mark D. Tucker
  • Ligand and complex for catalytically bleaching a substrate
    Publication number: 20030230736
    Abstract: The present invention provides a bleaching composition comprising a [3.3.1] bicyclo compound carrying at least one tertiary amine group together with a peroxygen source.
    Type: Application
    Filed: June 4, 2003
    Publication date: December 18, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Ronald Hage, Joachim Lienke, Patricia Petersen
  • Cyclic sugar ketones as catalysts for peroxygen compounds
    Patent number: 6649085
    Abstract: The use of cyclic sugar ketones of the formula in which R1 and R2 are hydrogen, C1-C22-alkyl, C2-C22-alkenyl or phenyl, R3 is C1-C4-alkoxy, phenyl-CH2—O— or a group of the formula R4 is hydrogen or R3 and R4 together are a group of the formula and n is zero or 1, as catalysts for peroxygen compounds.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: November 18, 2003
    Assignee: Clariant GmbH
    Inventors: Gerd Reinhardt, Nicole Reichardt
  • Use of oxime esters as activators for inorganic peroxy compounds
    Patent number: 6258295
    Abstract: Use of mono- and bisoxime esters I where L1 is an oxime moiety of the formula  where R1 and R2 are hydrogen or organic radicals and Z1 are alkylene groups, L2 is a second oxime moiety L1 or an organic radical attached via an O or N atom, A is a chemical bond or a linker, and m is 0 or 1, as activators for inorganic peroxy compounds, in particular as cold bleach activators or optical brighteners in detergents, cleaners and bleaches and in disinfectants.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: July 10, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Wehlage, Dieter Boeckh, Elisabeth Kappes, Alfred Oftring, Birgit Potthoff-Karl, Werner Bertleff