Patents Assigned to Interox (Societe Anonyme)
  • Patent number: 4859799
    Abstract: Process for the production of aldehydes or ketones by oxidative cleavage of olefinic double bonds by means of a coordination complex of a ligand and a peroxo derivative of a metal of group 6b.Aldehydes and ketones obtained by said process are used among others as intermediates in the synthesis of organic products.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: August 22, 1989
    Assignee: Interox (Societe Anonyme)
    Inventors: Sandro Campestrini, Fulvio Di Furia, Giorgio Modena, Lucia Pasquato
  • Patent number: 4845290
    Abstract: Secondary amines are oxidized with hydrogen peroxide in the presence of a catalyst chosen from derivatives of zinc or cadmium.The process is applied to the preparation of di-substituted N,N-hydroxylamines such as N,N-diethylhydroxylamines and N,N-di-n-propylhydroxylamine.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: July 4, 1989
    Assignee: Interox (Societe Anonyme)
    Inventors: Franz Legrand, Paul Deschrijver
  • Patent number: 4826567
    Abstract: Process for the delignification of cellulosic substances comprising:a first stage of treatment of cellulosic substances with an acida second stage of treatment with hydrogen peroxide in an alkaline mediuma third stage of digestion in the presence of at least one chemical reactant chosen from hydroxides of alkaline or alkaline-earth metals.The process applies to the treatment of wood fragments.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: May 2, 1989
    Assignee: Interox (Societe Anonyme)
    Inventor: Josef S. Gratzl
  • Patent number: 4826568
    Abstract: Process for the delignification of cellulosic substances comprising:a first stage of treatment of cellulosic substances with an acida second stage of treatment with hydrogen peroxide in an alkaline mediuma third stage of digestion in the presence of at least one chemical reactant chosen from sulphur-containing compounds and oxygen.The process applies to the treatment of wood fragments.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: May 2, 1989
    Assignee: Interox (Societe Anonyme)
    Inventor: Josef S. Gratzl
  • Patent number: 4783381
    Abstract: Hydrogen peroxide (8) is introduced at the interface of an anode (5) and an alkaline anolyte (3) of a fuel cell containing, in addition, an acid catholyte (4), isolated from the anolyte by a separator which is permeable to ions (2).
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: November 8, 1988
    Assignee: Interox (Societe Anonyme)
    Inventors: Daniel Tytgat, Marianne Reignier, Francois Dujardin
  • Patent number: 4752461
    Abstract: A continuous process for the production of a gaseous product (12), and as a liquid byproduct (16), at the same time by reacting a liquid reagent in a reactor (4) is disclosed. The positive difference between the pressure at the entrance to and an pressure at the outlet of the reactor (4) is kept constant. The process can be used to generate oxygen by decomposition of hydrogen peroxide and this oxygen can be used in welding and cutting sets.
    Type: Grant
    Filed: March 25, 1986
    Date of Patent: June 21, 1988
    Assignee: Interox (Societe Anonyme)
    Inventors: Paul Coeckelberghs, Willy Depoorter
  • Patent number: 4675131
    Abstract: Quaternary ammonium compounds having the general formula: ##STR1## in which, R.sub.1 is an alkyl or aryl group, unsubstituted or substituted by at least two ester groups;R.sub.2, R.sub.3 and R.sub.4 are alkyl, aryl, aryl alkyl or alkyl aryl groups substituted by ester groups comprising no more than 10 carbon atoms;m, r and n are whole numbers;A.sup. .circle.r- is an anion such that m.times.r=n. The compounds are obtained by treatment of a tert.alcohol-amine with an alkylating or arylating agent and an acylating agent. They may be used as activators of persalts in wash compositions.
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: June 23, 1987
    Assignee: Interox(Societe Anonyme)
    Inventors: Rene Walraevens, Jean-Marc Coisne
  • Patent number: 4601884
    Abstract: An appliance for continuous production of a gaseous product (12), and a liquid byproduct (16), at the same time by reacting a liquid reagent in a reactor (4). The positive difference between the pressure at an entrance to and the pressure at an outlet of the reactor (4) is kept constant. The appliance is used to generate oxygen by decomposition of hydrogen peroxide and this oxygen can be used in welding and cutting sets. The appliance includes a reactor comprising a horizontal reaction zone connected to a horizontal gas collection zone, located above the reaction zone, by vertical conduits.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: July 22, 1986
    Assignee: Interox (Societe Anonyme)
    Inventors: Paul Coeckelberghs, Willy Depoorter
  • Patent number: 4595577
    Abstract: Process for the treatment of waste water and gases containing dialkyl disulphides by catalytic oxidation of these compounds by means of a peroxide compound in an aqueous medium. Divalent copper ions are used for the catalyst and the medium is kept at a pH below 6.5.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: June 17, 1986
    Assignee: Interox (Societe Anonyme)
    Inventors: Georges Stas, Christian Biver
  • Patent number: 4576609
    Abstract: Cellulosic materials and more particularly wood shavings, pulps, and cellulosic textile fibres are exposed to the combined action of microwaves and at least one oxidizing agent.In particular, the process makes it possible to improve the brightness of the end product.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: March 18, 1986
    Assignee: INTEROX (Societe Anonyme)
    Inventors: Jacques Hageman, Lucien Plumet, Marcel Robberechts
  • Patent number: 4563355
    Abstract: The food compositions for pigs contain calcium peroxide. Calcium peroxide is administered to the pigs via the oral route in a proportion of 0.02 to 1.3 % by weight of the total food ration.The percentage of lean meat and the quality of the carcasses are thus substantially improved.
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: January 7, 1986
    Assignee: INTEROX (Societe Anonyme)
    Inventors: Ignace Gago, Guillaume Coppens
  • Patent number: 4548674
    Abstract: Waste paper containing polymeric contaminants is broken down in the presence of an acidic aqueous solution containing at least one peracid.
    Type: Grant
    Filed: August 2, 1984
    Date of Patent: October 22, 1985
    Assignee: Interox (Societe Anonyme)
    Inventors: Jacques Hageman, Liliane Meyers
  • Patent number: 4443342
    Abstract: Process for the treatment of waste water and gases containing dialkyl disulphides by catalytic oxidation of these compounds by means of a peroxide compound in an aqueous medium. Divalent copper ions are used for the catalyst and the medium is kept at a pH below 6.5.
    Type: Grant
    Filed: March 31, 1982
    Date of Patent: April 17, 1984
    Assignee: INTEROX (Societe Anonyme)
    Inventors: Georges Stas, Christian Biver
  • Patent number: 4421669
    Abstract: Process for the stabilization of particles containing peroxygen compounds and bleaching compositions containing particles stabilized according to this process. The particles containing peroxygen compounds are kept in a fluidized bed. A coating agent which is insoluble in water and melts at low temperatures is introduced in the form of solid particles into the fluidized bed. The fluidized bed is kept at a temperature at least equal to the melting point of the coating agent.
    Type: Grant
    Filed: December 12, 1980
    Date of Patent: December 20, 1983
    Assignee: Interox (Societe Anonyme)
    Inventor: Jean Brichard
  • Patent number: 4372813
    Abstract: Process for inhibiting the corrosion of equipment made of titanium or of alloys containing titanium by a solution containing a peroxy compound. To effect the inhibition, a solution containing calcium, strontium or barium ions is used.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: February 8, 1983
    Assignee: Interox (Societe Anonyme)
    Inventors: Lucien Clerbois, Lucien Plumet
  • Patent number: 4353832
    Abstract: A process for the production of carboxyl compounds such as caprolactones, in which the corresponding carbonyl compounds are oxidized with hydrogen peroxide in the presence of a catalyst in a substantially anhydrous liquid medium. The water formed by the reaction and any water introduced into the reaction mixture are removed from the reaction mixture.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: October 12, 1982
    Assignee: INTEROX (Societe Anonyme)
    Inventors: Andre Lecloux, Claude Declerck, Franz Legrand
  • Patent number: 4346081
    Abstract: A composition for ingestion by ruminants to remove protozoa contains a peroxide of a metal of group 2 of the Periodic Table.
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: August 24, 1982
    Assignee: Interox (Societe Anonyme)
    Inventors: Ignace Gago, Guillaume Coppens
  • Patent number: 4344979
    Abstract: A process for the preparation of coated seeds, in which the seeds are initially treated with an aqueous phase. The treated seeds are then coated with a coating agent containing a peroxide compound and a hydrophilic polymer, and the coated seeds are dried.
    Type: Grant
    Filed: April 1, 1980
    Date of Patent: August 17, 1982
    Assignee: Interox (Societe Anonyme)
    Inventors: Ignace Gago, Guillaume Coppens
  • Patent number: 4343679
    Abstract: Process for reclaiming waste paper without deinking which involves pulping the waste paper in the presence of soft water and then adding to the pulp thus obtained a compound capable of liberating, in aqueous solution, ions with a positive charge equal to or greater than 2.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: August 10, 1982
    Assignee: Interox (Societe Anonyme)
    Inventors: Jean De Ceuster, Paul Duprez
  • Patent number: 4329244
    Abstract: Particles of peroxygenated compounds stabilized with polymers, possessing hydroxyl groups and carboxyl groups, which contain monomeric units of the formula ##STR1## where R.sub.1 and R.sub.2 represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms and where M represents hydrogen, an alkali metal atom or an alkaline earth metal atom M-. The particles can be used in compositions having a bleaching action.
    Type: Grant
    Filed: June 18, 1980
    Date of Patent: May 11, 1982
    Assignee: Interox (Societe Anonyme)
    Inventors: Jean Brichard, Jean-Claude Colery, Pierre Sarot