Patents Assigned to BASF Atkiengesellschaft
  • Publication number: 20080194405
    Abstract: The present invention relates to novel 5-hydroxypyrazolines of the formula I in which the substituents are as defined below: B is phenyl, naphthyl or 5- or 6-membered hetaryl which contains one to four heteroatoms from the group consisting of O, N and S; A is C?O, C?S or SO2; R1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, phenyl, 5- or 6-membered heterocyclyl or hetaryl which contains one to four heteroatoms from the group consisting of O, N and S; R2 is alkyl, haloalkyl, alkenyl, haloalkyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, phenyl, 5- or 6-membered hetaryl or heterocyclyl which contains one to four heteroatoms from the group consisting of O, N and S; R3 is hydrogen, nitro, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, haloalkenyl, alkynyl, haloalkynyl or NR?2, where R? independently of one another are hydrogen or alkyl; R4 is hydrogen, halogen, nitro, cyano, NR?2, alkyl, haloalkyl, COOR? or 5- or 6-memb
    Type: Application
    Filed: May 24, 2006
    Publication date: August 14, 2008
    Applicant: BASF Atkiengesellschaft
    Inventors: Markus Gewehr, Jochen Dietz, Thomas Grote, Andreas Gypser, Matthias Niedenbruck
  • Publication number: 20060289833
    Abstract: The invention relates to esters or ester salts of phosphorus-oxygen acids, these esters or ester salts comprising alkoxy groups, and to the use of compounds of this type as corrosion inhibitors, particularly in alkaline media, and as flameproofing agents.
    Type: Application
    Filed: May 3, 2004
    Publication date: December 28, 2006
    Applicant: BASF ATKIENGESELLSCHAFT
    Inventors: Helmut Witteler, Fernandez Gonzalez, Gerhard Wagenblast
  • Patent number: 5120880
    Abstract: Muscone of the formula I ##STR1## is prepared by a process in which an open-chain 2,15-diketone of the general formula IICH.sub.3 --CO--X--CO--CH.sub.3 (II)whereX is one of the radicals--(--CH.sub.2 --).sub.12 -- (a)--CH.dbd.CH--(--CH.sub.2 --).sub.8 --CH.dbd.CH-- (b)--CH.sub.2 --CH.dbd.CH--(--CH.sub.2 --).sub.6 --CH.dbd.CH--CH.sub.2 --(c)--CH.sub.2 --CH.sub.2 --CH.dbd.CH--(--CH.sub.2 --).sub.4 --CH.dbd.CH--CH.sub.2 --CH.sub.2 -- (d)or--CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.dbd.CH--(--CH.sub.2 --).sub.2 --CH.dbd.CH--CH.sub.2 --CH.sub.2 --CH.sub.2 -- (e)is brought into contact, at from 300.degree. to 400.degree. C. in the presence of from 5 to 15% by weight, based on the amount of catalyst, of water, in the gas phase, with a fixed-bed catalyst containing TiO.sub.2, CeO.sub.2 or ThO.sub.2 as the catalytically active compound and the unsaturated cyclic ketone formed by intramolecular aldol condensation is subjected to catalytic hydrogenation.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: June 9, 1992
    Assignee: BASF Atkiengesellschaft
    Inventors: Michael Huellmann, Thomas Kuekenhoehner, Karl Brenner, Rainer Becker, Matthias Irgang, Charles Schommer