Patents Assigned to Schulke & Mayr GmbH
  • Patent number: 5756500
    Abstract: The invention relates to an aqueous dispersion which includes a mixture composed of the active ingredients carbendazime, 2-(thiocyanomethylthio)-benzothiazole and 2-methylthio-4-t-butyl-amino-6-cyclopropylamino-s-triazine. Further active ingredients with algicidal or fungicidal effect can optionally be present in the dispersion. The dispersion can be used for the fungicidal and algistatic finishing of paints, varnishes and plasters.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: May 26, 1998
    Assignee: Schulke & Mayr GmbH
    Inventors: Wolfgang Beilfuss, Heinz Eggensperger, Karl-Heinz Diehl, Peter Oltmanns
  • Patent number: 5670160
    Abstract: A preservative, for compositions having an aqueous phase, comprisinga) 5 to 60% by weight of an organic acid selected from the group consisting of benzoic acid, 4-hydroxybenzoic acid, salicylic acid, formic acid, acetic acid, propionic acid, sorbic acid, undecylenic acid and dehydracetic acid or their mixtures including their sodium, potassium, calcium, magnesium, ammonium and ethanolamine saltsb) 10 to 95% by weight of alcohols of the general formulae I, II or III ##STR1## in which R.sub.1 denotes hydrogen, an n-alkyl, iso-alkyl or alkoxy radical having 1 to 3 C atoms, and R.sub.2 and R.sub.3 denote hydrogen or a CH.sub.3 -- or C.sub.2 H.sub.5 -- radical and n has the value of 3 or 4, andc) 0.1 to 20% by weight of one or more poly(hexa-methylenebiguanide) salts of the general formula ##STR2## in which Z represents hydrochloride, acetate, lactate, benzoate, propionate, 4-hydroxybenzoate, sorbate or salicylate; and n has the value of 4 to 6, in combination in a customary carrier or solvent.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: September 23, 1997
    Assignee: Schulke & Mayr GmbH
    Inventors: Heinz Eggensperger, Karl-Heinz Diehl, Peter Oltmanns
  • Patent number: 4900736
    Abstract: A water insoluble compound of formula I ##STR1## wherein R.sub.1 is an alkyl group having 1 to 4 carbon atoms and R.sub.2 is a straight-chain or branched-chain alkyl group having from 10 to 16 carbon atoms. The compounds of the present invention are useful in fungicidal compositions suitable for combatting fungus in plaster and paint.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: February 13, 1990
    Assignee: Schulke Mayr, GmbH
    Inventor: Karl-Heinz Diehl
  • Patent number: 4770705
    Abstract: A water insoluble compound of formula I ##STR1## wherein R.sub.1 is an alkyl group having 1 to 4 carbon atoms and R.sub.2 is a straight-chain or branched-chain alkyl group having from 10 to 16 carbon atoms. The compounds of the present invention are useful in fungicidal compositions suitable for combatting fungus in plaster and paint.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: September 13, 1988
    Assignee: Schulke & Mayr GmbH
    Inventor: Karl-Heinz Diehl