Patents by Inventor Werner Bertleff

Werner Bertleff 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).

  • Publication number: 20030143908
    Abstract: The present invention relates to the modification of surface properties of particulate, linear, sheet-like, or three-dimensional structures using alkoxylated polyvinylamines. The invention further relates to novel alkoxylated polyvinylamines, and also to a process for their preparation.
    Type: Application
    Filed: December 12, 2002
    Publication date: July 31, 2003
    Inventors: Valerie Andre, Werner Bertleff, Oliver Borzyk, Jurgen Huff, Ralf Norenberg
  • Publication number: 20030125491
    Abstract: 0050/51242 Establishing the particle size of popcorn polymers during popcorn polymerization and use of popcorn polymers Abstract The particle size of popcorn polymers is established during the popcorn polymerization by a process in which reaction mixtures forming popcorn polymers and comprising monoethylenically unsaturated monomers and a crosslinking agent are polymerized in the absence of oxygen and polymerization initiators at up to 200° C. and in which the popcorn polymerization is carried out as a precipitation polymerization in water or in the absence of a solvent and the particle size of the popcorn polymers is controlled in the range from 1 &mgr;m to 10 mm by passing an inert gas stream into the reaction mixture, and popcorn polymers having a mean particle diameter of from >400 &mgr;m to 1500 &mgr;m are used as beverage clarifiers, antidiarrheal drugs and disintegration accelerators for tablets.
    Type: Application
    Filed: September 9, 2002
    Publication date: July 3, 2003
    Inventors: Helmut Meffert, Werner Bertleff, Michael Kerber, Peter Spang
  • Publication number: 20030125222
    Abstract: Described are microcapsule formulations comprising microcapsules having a core of a hydrophobic material, which encloses at least one fragrance or perfume, and a capsule shell which is obtainable by either
    Type: Application
    Filed: November 8, 2002
    Publication date: July 3, 2003
    Inventors: Ekkehard Jahns, Dieter Boeckh, Werner Bertleff, Peter Neumann
  • Patent number: 6586010
    Abstract: A process for producing agglomerates with a core/shell structure, in which i) initial agglomerates containing a first particulate solid are prepared; ii) a second particulate solid is agglomerated in the presence of the initial agglomerates with the addition of a binder liquid to give second stage agglomerates and, where appropriate, iii) an nth (n≧3) solid is agglomerated in the presence of the (n−1)th stage agglomerates with the addition of a binder liquid to give nth stage agglomerates.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: July 1, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Bertleff, Ulrich Bröckel, Helmut Fricke, Hans-Peter Harz, Reiner Witt
  • Publication number: 20030114057
    Abstract: The present invention relates to particulate, linear, sheet-like, or three-dimensional structures which comprise, at least on their surface, a hydrophilicizing amount of at least one polymer which has urethane groups and/or urea groups, and also ammonium groups. The ammonium groups are obtained by quaternizing or neutralizing tertiary amino groups, preferably with carbonic acid.
    Type: Application
    Filed: December 13, 2002
    Publication date: June 19, 2003
    Inventors: Valerie Andre, Werner Bertleff, Karl Hberle, J?uuml;rgen Huff, Ralf Nrenberg, Wolfgang Schrepp, Helmut Meffert, Kati Schmidt
  • Publication number: 20030092804
    Abstract: Cellulosic textiles are wrinkleproofed by treating them with aqueous dispersions of C14- to C22-alkylketene dimers and drying them. Also disclosed is a laundry aftertreatment composition comprising from 0.1 to 40% by weight of a C14- to C22-alkylketene dimer as aqueous dispersion, from 0.1 to 50% by weight of at least one fabric conditioner and optionally nonionic surfactants.
    Type: Application
    Filed: August 14, 2002
    Publication date: May 15, 2003
    Inventors: Jurgen Detering, Werner Bertleff, Erhard Guenther
  • Publication number: 20030032574
    Abstract: The invention relates to the use of crosslinked polyvinylpyrrolidone in a specific particle composition as a disintegrant in compact particulate laundry detergents and cleaning products, to the particle composition and the compact particulate laundry detergents themselves, to a process for preparing the compact particulate laundry detergents and cleaning products, and to a process for preparing the specific particle composition.
    Type: Application
    Filed: September 9, 2002
    Publication date: February 13, 2003
    Inventors: Helmut Meffert, Werner Bertleff, Michael Kerber, Peter Spang, Richard Baur, Marcos Gomez
  • Patent number: 6413929
    Abstract: Use of amines as bleaching efficiency boosters for textile detergent compositions, where the pKa of the amines is greater than the pH minus 1, preferably greater than the pH, particularly preferably at least 0.5 greater than the pH of the 1% by weight wash liquor obtained from the textile detergent composition.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: July 2, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Wehlage, Dieter Boeckh, Werner Bertleff, Alfred Oftring
  • Patent number: 6329334
    Abstract: The invention relates to the use of crosslinked polyvinylpyrrolidone as an additive to compact, particulate detergents and cleansers for the purpose of increasing the rate of disintegration thereof when brought into contact with water, to the particles of crosslinked polyvinylpyrrolidone having a particle size of from 50 to 400 &mgr;m, to a process for the preparation of the compact, particulate detergents and cleansers, and also to the compact, particulate detergents and cleansers themselves.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: December 11, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Bertleff, Folker Ruchatz, Richard Baur, Robert Heinz, Peter Palm
  • 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
  • Patent number: 6235704
    Abstract: A solid textile detergent formulation comprises (A) from 1 to 30% by weight of inorganic builders based on carbonates, (B) from 0 to 12% by weight of inorganic builders based on crystalline or amorphous alumosilicates and/or crystalline or amorphous silicates, (C) from 0 to 5% by weight of inorganic builders based on phosphates, (D) from 1 to 40% by weight of one or more glycine-N,N-diacetic acid derivatives I where R is an organic radical and M is hydrogen or a cation, as organic builder component, (E) from 0 to 40% by weight of anionic surfactants and (F) from 0.5 to 50% by weight of nonionic surfactants.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: May 22, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Jürgen Detering, Richard Baur, Werner Bertleff, Rainer Rahm, Günter Oetter
  • Patent number: 6225278
    Abstract: The invention relates to a solid textile detergent formulation containing (A) 1-60 wt. % inorganic builders based on crystalline or amorphous aluminosilicates, crystalline or amorphous silicates, carbonates and/or phosphates, (B) 1-40 wt. % of one or several glycin-N, N-diacetic acid derivatives of formula (I), wherein R stands for an organic radical and M means hydrogen or a cation, (C) 0-6 wt. % anionic surfactants with one or several sulphate groups, one or several sulphate groups or one or two carboxylate groups and (D) 0.5-50 wt. % non ionic surfactants.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Jürgen Detering, Richard Baur, Werner Bertleff, Rainer Rahm, Günter Oetter, Beate Ehle
  • Patent number: 6172028
    Abstract: A mixture comprising (a) from 0.1 to 99% by weight of at least one polycarboxylate having at least 3 carboxyls, (b) from 0.1 to 99% by weight of at least one amine having a pKa value of more than 9, and (c) from 0.1 to 99% by weight of at least one acid selected from the group consisting of mineral acids and organic acids having one or two carboxyls and not more than 10 carbons, with the proviso that the mixture contains less than 24% by weight of triphosphates, is used in detergent and rinse aid formulations.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: January 9, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Werner Bertleff, Birgit Potthoff-Karl, Beate Ehle, Matthias Kroner, Gunnar Schornick
  • Patent number: 6130198
    Abstract: Use of amines as bleaching efficiency boosters for textile detergent compositions, where the pK.sub.a of the amines is greater than the pH minus 1, preferably greater than the pH, particularly preferably at least 0.5 greater than the pH of the 1% by weight wash liquor obtained from the textile detergent composition.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: October 10, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Wehlage, Dieter Boeckh, Werner Bertleff, Alfred Oftring
  • Patent number: 6001798
    Abstract: The use of modified polyaspartic acids which are obtainable by polycondensation of aspartic acid in the presence of, in each case based on the aspartic acid employed,(a) 2.5 to 25 mol % of amines with at least 6 carbon atoms(b) at least 2% by weight of phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids,at temperatures of at least 120.degree. C. and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of from 0.5 to 10% by weight, as additive to detergents, and detergents which contain the modified polyaspartic acids in amounts of from 0.1 to 20% by weight.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: December 14, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Werner Bertleff, Hans-Ulrich Jager, Angelika Funhoff, Matthias Kroner, Gunnar Schornick
  • Patent number: 5972508
    Abstract: The microcapsules containing bleaching agents are obtainable by polymerizing monomer mixtures which comprise5-100% by weight of at least one ethylenically unsaturated carboxylic anhydride (a),0-95% by weight of at least one monoethylenically unsaturated monomer (b) different from the monomers of group (a),0-80% by weight of crosslinking monomers (c) which have at least two nonconjugated monoethylenic double bonds in the molecule, and0-20% by weight of water-soluble monoethylenically unsaturated monomers (d),where the total of components (a) to (d) is 100% by weight. The polymerization takes place in the oil phase of a stable oil-in-water emulsion in the presence of free-radical polymerization initiators, where the temperature of the polymerizing reaction mixture is, where appropriate, increased continuously or periodically during the polymerization. The oil phase contains or consists of the bleaching aid.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: October 26, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Birgit Potthoff-Karl, Werner Bertleff, Peter Neumann, Ekkehard Jahns, Ralf Biastoch, Thomas Wehlage
  • Patent number: 5399286
    Abstract: Polyacetals useful as detergent additives contain units of the formula ##STR1## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group, andm is from 0 to 9,have K values (determined by the method of H. Fikentscher on the sodium salt in 1% strength by weight aqueous solution at 25.degree. C. and pH 7) of at least 8.5, and are prepared by polymerizing compounds of the formula ##STR2## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group,R.sup.2 is C.sub.1 -C.sub.4 -alkyl, andm is from 0 to 9,in the presence of initiators and optionally comonomers with or without hydrolysis of the ester groups.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: March 21, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Angelika Funhoff, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Richard Baur, Volker Schwendemann, Alexander Kud, Werner Bertleff
  • Patent number: 5254741
    Abstract: Rhodium hydroformylation catalysts containing bisphosphite ligands of the formula I ##STR1## where -X- is a divalent bisarylene radical or R.sup.1,w is a divalent arylene, bisarylene or alkylene radical, andR.sup.1 and R.sup.2 are identical or different and are substituted or unsubstituted alkylene or ortho-arylene.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: October 19, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter M. Lorz, Werner Bertleff, Michael Roeper, Dieter Koeffer
  • Patent number: 5202297
    Abstract: Rhodium hydroformylation catalysts containing bisphosphite ligands of the formula I ##STR1## where --X-- is a divalent bisarylene radical or R.sup.1,W is a divalent arylene, bisarylene or alkylene radical, andR.sup.1 and R.sup.2 are identical or different and are substituted or unsubstituted alkylene or ortho-arylene.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: April 13, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter M. Lorz, Werner Bertleff, Michael Roeper, Dieter Koeffer
  • Patent number: 5189182
    Abstract: 5-Methylbutyrolactone is prepared by a process in which a pentenoic ester of the formula IX--CO.sub.2 R (I),where X is CH.sub.2 .dbd.CH--CH.sub.2 --CH.sub.2 --, CH.sub.3 --CH.dbd.CH--CH.sub.2 -- or CH.sub.3 --CH.sub.2 --CH.dbd.CH-- and R is alkyl, cycloalkyl, aralkyl or aryl, or a mixture of these esters is reacted with water at from 50.degree. to 350.degree. C. in the presence or absence of a diluenta) over a zeolite and/or phosphate catalyst orb) in the presence of from 0.01 to 0.25 mole of a sulfonic acid, a Lewis acid and/or a non-oxidizing mineral acid per mole of pentenoic ester or over from 0.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: February 23, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Rudolf Kummer, Heinz-Walter Schneider, Werner Bertleff, Rolf Fischer, Uwe Vagt, Fritz Naeumann, Wolfgang Hoelderich, Matthias Schwarzmann