Patents by Inventor Wolf-Dieter Balzer
Wolf-Dieter Balzer 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).
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Patent number: 7358319Abstract: The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, obtained by reaction of a) (meth)acrylic compounds exhibiting at least one isocyanate-reactive group [compounds a)] with b) compounds exhibiting at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives exhibiting at least one isocyanate-reactive group [compounds c)]. The invention also relates to copolymers that contain copolymerizable photoinitiators of the invention and to the use of said copolymers in UV-crosslinkable compositions, particularly hot-melt adhesives.Type: GrantFiled: August 21, 2007Date of Patent: April 15, 2008Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Ulrich Erhardt, Volker Ladenberger, Harald Meyer, Bernd Bruchmann, Karl-Heinz Schumacher
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Publication number: 20070287854Abstract: The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, obtained by reaction of a) (meth)acrylic compounds exhibiting at least one isocyanate-reactive group [compounds a)] with b) compounds exhibiting at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives exhibiting at least one isocyanate-reactive group [compounds c)]. The invention also relates to copolymers that contain copolymerizable photoinitiators of the invention and to the use of said copolymers in UV-crosslinkable compositions, particularly hot-melt adhesives.Type: ApplicationFiled: August 21, 2007Publication date: December 13, 2007Applicant: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Ulrich Erhardt, Volker Ladenberger, Harald Meyer, Bernd Bruchmann, Karl-Heinz Schumacher
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Patent number: 7304119Abstract: The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, which may be obtained by reacting a) acrylic or methacrylic compounds, which contain at least one isocyanate-reactive group [compounds a)], with b) compounds, which contain at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives, which contain at least one isocyanate-reactive group [compounds c)]. Said invention also relates to copolymers, which contain said copolymerizable photoinitiators, as well as to the use of said copolymers in UV-crosslinkable substances, in particular hot-melt pressure-sensitive adhesives.Type: GrantFiled: October 4, 2002Date of Patent: December 4, 2007Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Ulrich Erhardt, Volker Ladenberger, Harald Meyer, Bernd Bruchmann, Karl-Heinz Schumacher
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Publication number: 20040249186Abstract: The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, which may be obtained by reacting a) acrylic or methacrylic compounds, which contain at least one isocyanate-reactive group [compounds a)], with b) compounds, which contain at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives, which contain at least one isocyanate-reactive group [compounds c)]. Said invention also relates to copolymers, which contain said copolymerizable photoinitiators, as well as to the use of said copolymers in V-crosslinkable substances, in particular hot-melt pressure-sensitive adhesives.Type: ApplicationFiled: April 13, 2004Publication date: December 9, 2004Inventors: Wolf-Dieter Balzer, Ulrich Erhardt, Volker Ladenberger, Harald Meyer, Bernd Bruchmann, Karl-Heinz Schumacher
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Patent number: 6299737Abstract: A process for recovering glycols from used glycol-containing technical fluids, especially from used antifreeze comprises adding to the used glycol-containing technical fluids an organic solvent which forms with the glycol to be separated off an azeotropic mixture which has a lower boiling point than the glycol itself and distilling off this azeotropic mixture.Type: GrantFiled: April 11, 1995Date of Patent: October 9, 2001Assignee: BASF AktiengesellschaftInventors: Jürgen Mohr, Wolf-Dieter Balzer
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Patent number: 5846453Abstract: The preparation of alkoxylates of oligoamines or polyamines by a two-stage procedure where, in the first stage, one molecule of alkylene oxide per NH group is added onto the oligoamines or polyamines in the presence of water, alcohols or acids or a mixture thereof in the absence of a neutral or basic catalyst and, in the second stage, after removal of water and acids reaction with further alkylene oxide is carried out in the presence of a conventional neutral or basic catalyst, entails, before the second stage is carried out, an organic solvent or diluent or a mixture thereof from the group of(a) alcohols and phenols and their alkoxylates,(b) polyalcohols based on ethylene oxide, propylene oxide, butylene oxide or a mixture thereof,(c) N-substituted carboxamides,(d) alkanolmonoamines and alkanolpolyamines and their alkoxylates,(e) other alkoxylates of oligoamines or polyamines,(f) aromatic hydrocarbons,(g) aliphatic hydrocarbons,(h) ethers and(i) sulfones or sulfoxidesbeing added.Type: GrantFiled: April 7, 1997Date of Patent: December 8, 1998Assignee: BASF AktiengesellschaftInventors: Jurgen Mohr, Wolfgang Knauf, Wolf-Dieter Balzer, Knut Oppenlander, Wilhelmus Slotman
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Patent number: 5348560Abstract: Carbamates having a long-chain N-alkyl radical, a process for the preparation of the carbamates in a conventional manner and fuels and lubricants which contain these carbamates as additives.Type: GrantFiled: November 13, 1992Date of Patent: September 20, 1994Assignee: BASF AktiengesellschaftInventors: Juergen Mohr, Knut Oppenlaender, Wolf-Dieter Balzer, Juergen Thomas, Peter Schreyer
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Patent number: 4705649Abstract: Acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts are prepared by sulfonation of phenol in the presence of a small amount of a complexing agent for the sulfonating agent SO.sub.3 or chlorosulfonic acid, followed by esterification and, if required, neutralization to give the alkali metal or alkaline earth metal salt.Type: GrantFiled: November 7, 1986Date of Patent: November 10, 1987Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder, Helmut Wolf
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Patent number: 4704453Abstract: Alkylglucosides are prepared by acetalization of glucose with an equivalent amount or an excess of a C.sub.3 -C.sub.5 -alkanol in the presence of an acidic catalyst by a method wherein the acetalization is carried out in the presence of an alkali metal salt of a boric acid used in an amount which is equivalent to or in excess of the amount of the catalyst.The alkylglucosides obtained can be used directly, for example as solubilizers, in particular in the cosmetic sector, or can be reacted further to give higher alkylglucosides.Type: GrantFiled: September 2, 1983Date of Patent: November 3, 1987Assignee: Basf AktiengesellschaftInventors: Klaus Lorenz, Wolf-Dieter Balzer, Helmut Wolf, Wolfgang Trieselt, Gerd Busse
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Patent number: 4695412Abstract: Acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts are prepared by a process comprising sulfonation of a phenyl ester in the presence or absence of a small amount of a complexing agent for the sulfonating agent SO.sub.3 or chlorosulfonic acid, subsequent acylation and, if desired, neutralization to give the alkali metal or alkaline earth metal salt, and, if required, subjecting the latter to oxidative bleaching before drying.Type: GrantFiled: November 19, 1986Date of Patent: September 22, 1987Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder, Helmut Wolf
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Patent number: 4693848Abstract: Alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids of the formula I ##STR1## where R is a saturated or unsaturated alkyl radical of 1 to 17 carbon atoms or is phenyl which is unsubstituted or monosubstituted or disubstituted by alkyl of 1 to 3 carbon atoms, halogen, methoxy or nitro, are prepared by neutralization, by a method in which a liquid acyloxybenzenesulfonic acid of the formula I and an aqueous solution of an alkali metal or alkaline earth metal hydroxide, carbonate or bicarbonate are combined in water, at from 0.degree. to 60.degree. C. and while mixing thoroughly, so that the pH is kept at from 2.5 to 7.0, and, if desired, the resulting salt is isolated from the aqueous solution in a conventional manner.Type: GrantFiled: April 2, 1986Date of Patent: September 15, 1987Assignee: Basf AktiengesellschaftInventors: Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder, Helmut Wolf
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Patent number: 4624803Abstract: Fatty alcohol oxyalkylates possessing blocked terminal groups are used as low-foam, antifoaming and biodegradable surfactants for industrial cleaning processes, in particular for bottle-washing and metal-cleaning.Type: GrantFiled: May 3, 1985Date of Patent: November 25, 1986Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Klaus Lorenz, Helmut Wolf, Wolfgang Trieselt, Dieter Stoeckigt, Albert Hettche
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Patent number: 4618371Abstract: Coating materials containing aliphatic .alpha.-hydroxyketones of the general formula ##STR1## where R and R.sup.1 are each hydrogen or a hydrocarbon radical of 1 to 4 carbon atoms, as antiskimming agents. These .alpha.-hydroxyketones are particularly useful in paints and finishes based on oxidatively drying alkyd resins.Type: GrantFiled: May 15, 1985Date of Patent: October 21, 1986Assignee: BASF AktiengesellschaftInventors: Wolfram Weiss, Wolf-Dieter Balzer, Rolf Fikentscher, Guenther Immel, Hans Wolf
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Patent number: 4614604Abstract: A lubricant for shaping polyvinyl chloride, which contains esters of oligomers of trihydric, tetrahydric, pentahydric or hexahydric aliphatic alcohols, having 3 or more monomer units, with saturated or unsaturated C.sub.8 -C.sub.36 -fatty acids, from 30 to 100% of the alcoholic hydroxyl groups being esterified.Type: GrantFiled: July 22, 1985Date of Patent: September 30, 1986Assignee: BASF AktiengesellschaftInventors: Herbert Helfert, Wolf-Dieter Balzer, Guenter Hatzmann, Wolfram Dietsche, Albert Hettche, Stefan Weiss
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Patent number: 4588531Abstract: Alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids of the formula I ##STR1## where R is a saturated or unsaturated alkyl radical of 1 to 17 carbon atoms or is phenyl which is unsubstituted or monosubstituted or disubstituted by alkyl of 1 to 3 carbon atoms, halogen, methoxy or nitro, are prepared by neutralization, by a method in which a liquid acyloxybenzenesulfonic acid of the formula I and an aqueous solution of an alkali metal or alkaline earth metal hydroxide, carbonate or bicarbonate are combined in water, at from 0.degree. to 60.degree. C. and while mixing throughly, so that the pH is kept at from 2.5 to 7.0, and, if desired, the resulting salt is isolated from the aqueous solution in a conventional manner.Type: GrantFiled: October 18, 1984Date of Patent: May 13, 1986Assignee: BASF AktiengesellschaftInventors: Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner, Rudi Widder, Helmut Wolf
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Patent number: 4412933Abstract: Color-stabilized nonionic surfactants which contain chemically bonded polyalkylene oxide groups having terminal hydroxyl groups, and in which are dissolved C.sub.4 -C.sub.8 -aliphatic dicarboxylic acids, their C.sub.1 -C.sub.4 -alkyl esters or mixtures thereof, as color stabilizers.Type: GrantFiled: April 17, 1981Date of Patent: November 1, 1983Assignee: BASF AktiengesellschaftInventors: Erhard Klahr, Wolfgang Trieselt, Wolf-Dieter Balzer, Rainer Strickler, Dieter Stoeckigt