Patents by Inventor Willibald Schoenleben

Willibald Schoenleben 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).

  • Patent number: 5153235
    Abstract: The present invention relates to a process for the production of elastic, compact or cellular moldings based on elastomers containing N-benzylurea groups in bound form, by reactinga) one or more organic and/or modified organic polyisocyanates withb) N-benzylpolyoxyalkylene-polyamines or mixtures of N-benzylpolyoxyalkylene-polyamines and polyoxyalkylene-polyamines containing from 2 to 4 primary amino groups andc) one or more alkyl-substituted aromatic polyamines having a molecular weight of up to 500,in the presence or absence ofd) catalystsand, if desired,e) blowing agents,f) auxiliaries and/org) additives,and to the N-benzylpolyoxyalkylene-polyamines and mixtures of N-benzylpolyoxyalkylene-polyamines and polyoxyalkylene-polyamines containing from 2 to 4 primary amino groups which can be used for this purpose, and to the elastomers prepared.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: October 6, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes Becker, Guenther Matzke, Hans U. Schmidt, Willibald Schoenleben
  • Patent number: 5122547
    Abstract: The present invention relates to a process for the production of elastic, compact or cellular moldings based on elastomers containing N-benzylurea groups in bound form, by reactinga) one or more organic and/or modified organic polyisocyanates withb) N-benzylpolyoxyalkylene-polyamines or mixtures of N-benzylpolyoxyalkylene-polyamines and polyoxyalkylene-polyamines containing from 2 to 4 primary amino groups andc) one or more alkyl-substituted aromatic polyamines having a molecular weight of up to 500,in the presence or absence ofd) catalystsand, if desired,e) blowing agents,f) auxiliaries and/org) additives,and to the N-benzylpolyoxyalkylene-polyamines and mixtures of N-benzylpolyoxyalkylene-polyamines and polyoxyalkylene-polyamines containing from 2 to 4 primary amino groups which can be used for this purpose, and to the elastomers prepared.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: June 16, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes Becker, Guenther Matzke, Hans U. Schmidt, Willibald Schoenleben
  • Patent number: 5112364
    Abstract: Gasolines containing polyetheramine and/or polyetheramine derivatives to improve valve cleaning properties.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: May 12, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans P. Rath, Helmut Mach, Knut Oppenlaender, Willibald Schoenleben, Hans-Henning Vogel
  • Patent number: 5084487
    Abstract: The invention relates to a process for the production of elastic, compact or cellular moldings based on elastomers containing N-substituted urea and amide groups in bound form, by reactinga) one or more organic and/or modified organic polyisocyanate withb) a polyazomethine-containing polyoxyalkylene-polyamine mixture (b) which contains:bi) one or more polyoxyalkylene-polyaldimine and/or polyketimine,bii) one or more polyoxyalkylene-polyamine containing terminal secondary amino groups, and, if desired,biii) one or more polyoxyalkylene-polyamine containing terminal primary amino groups andc) one or more alkyl-substituted aromatic polyamine having a molcular weight of up to 500, in the presence or absence ofd) catalyst, and, if appropriate,e) blowing agents,f) auxiliaries and/org) additives,to polyazomethine containing polyoxyalkylene - polyamine mixtures which can be used for this purpose and to the prepared elastomers.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: January 28, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes Becker, Guenther Matzke, Hans U. Schmidt, Willibald Schoenleben
  • Patent number: 5009805
    Abstract: Liquid detergent formulations contain as essential constituents a surfactant and 0.1-20% by weight of a copolymer which contains(a) 50-99 mol % of units of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, a half ester of a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, an ester of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a C.sub.2 -C.sub.30 -olefin, styrene, a C.sub.1 -C.sub.3 -alkylstyrene, a C.sub.1 -C.sub.28 -alkyl vinyl ether, a vinyl ester of a saturated C.sub.1 -C.sub.8 -monocarboxylic acid or a mixture thereof and(b) 50-1 mol % of units of an amide of a monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acid where the amide groups have the structure ##STR1## where R.sup.1 is C.sub.8 -C.sub.28 -alkyl or preferably ##STR2## R.sup.3 and R.sup.4 are each H, CH.sub.3 or C.sub.2 H.sub.5, R is C.sub.1 -C.sub.28 -alkyl,n is from 2 to 100 andR.sup.2 is H or R.sup.
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: April 23, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes Perner, Paul Diessel, Heinrich Hartmann, Walter Denzinger, Alfred Oftring, Willibald Schoenleben
  • Patent number: 4973761
    Abstract: Aminomono- or di-[(poly-n-butoxy)-n-butylamino]-(poly-n-butoxy)-n-butylamines of the general formula IH.sub.2 N--[(CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 O).sub.x --(CH.sub.2).sub.4 --NH].sub.y --(CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 O).sub.x --(CH.sub.2).sub.4 --NH.sub.2 (I)where x is from 1 to 150 and y is 1 or 2, are prepared by a process in which a hydroxy-(poly-n-butoxy)-butanol of the formula IIHO--(CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 O).sub.x --(CH.sub.2).sub.4 --OH (II)where x is from 1 to 150, is reacted with from 1.01 to 300 mole equivalents of ammonia per hydroxyl group in the presence of a hydrogenation/dehydrogenation catalyst and hydrogen at from 150.degree. to 300.degree. C. and under from 20 to 400 bar.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: November 27, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Willibald Schoenleben, Herbert Mueller
  • Patent number: 4897480
    Abstract: N,N'-dialkyl-substituted cyclic urea derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each alkyl of 1 to 8 carbon atoms and A is CR.sup.3 R.sup.4 -CR.sup.5 R.sup.6 - or CR.sup.3 R.sup.4 -CR.sup.5 R.sup.6 -CR.sup.7 R.sup.8, where R.sup.3 to R.sup.8 are each hydrogen or alkyl of 1 to 17 carbon atoms, are prepared by reacting a diamine of the formula II ##STR2## with carbon dioxide, by a method in which the reaction is carried out in the gas phase in the presence of an oxide of an element of main group three or four or subgroup two to six of the Periodic Table, or a mixture of these, or in the presence of an aluminum silicate or magnesium silicate.1,3,4-trimethyl-2-imidazolidinone is used as a polar solvent at low temperatures.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: January 30, 1990
    Assignee: Basf Aktiengesellschaft
    Inventor: Willibald Schoenleben
  • Patent number: 4851580
    Abstract: A process for the preparation of tertiary alkylamines having a total of up to 9 carbon atoms by reacting a dialkylamine with a C.sub.2 -C.sub.4 -alcohol in the presence of a hydrogenation/dehydrogenation catalyst which contains essentially only copper as the hydrogenating/dehydrogenating catalytic metal is proposed, wherein the reactants(a) are present in the liquid phase,(b) contain alkali metal and/or alkaline earth metal oxides and/or hydroxides and(c) are reacted in a molar ratio of dimethylamine to alcohol of from 1:10 to 10:1 and(d) in the presence of the water formed during the reaction.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: July 25, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Mueller, Roman Fischer, Gerhard Jeschek, Willibald Schoenleben
  • Patent number: 4567303
    Abstract: In preparing or reacting alkanolamines, especially at high temperatures, the use of substantially nickel-free alloy steels prevents corrosion and discoloration.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: January 28, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Boettger, Hans Hammer, Otto Hertel, Gerhard Jeschek, Herbert Mueller, Emil Scharf, Willibald Schoenleben
  • Patent number: 3974159
    Abstract: Compounds of the general formula ##EQU1## which may be used in place of malondialdehyde in synthesis reactions are obtained in a one-step reaction form dimethylformamide, phosgene and an alkyl vinyl ether.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: August 10, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Decker, Willibald Schoenleben, Herbert Toussaint, Hewig Hoffmann