Patents by Inventor Karl Beck
Karl Beck 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: 8692025Abstract: The invention relates to a process for the preparation of m- or p-substituted phenylalkanols of the formula (I) in which R1 is bonded to the phenyl ring in the m- or p-position and is C1-C5-alkyl, and R2, R3, R4 and R5, independently of one another, are hydrogen or methyl, wherein an unsubstituted phenylalkanol of the formula (II) in which R2, R3, R4 and R5 have the meanings given under formula (I) is alkylated together with a C1-C5-alkyl halide of the formula (III) R1-Hal??(III), in which R1 has the meaning given under formula (I) and Hal is halogen, in the presence of a Friedel-Crafts catalyst to give an m- or p-alkyl-substituted phenylalkanol of the formula (I), then the reaction mixture is worked-up and the desired m- or p-alkyl-substituted phenylalkanol of the formula (I) is separated off, the other formed by-products are returned to the reaction mixture and these are isomerized in the presence of a Friedel-Crafts catalyst to give the desired m- or p-alkyl-substituted phenylalkanol.Type: GrantFiled: October 14, 2010Date of Patent: April 8, 2014Assignee: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Patent number: 8686193Abstract: The invention relates to a process for the preparation of m-substituted phenylalkanols of the formula (I) in which R1 is C1-C5-alkyl and R2, R3, R4 and R5, independently of one another, are hydrogen or methyl, wherein a p-substituted phenylalkanol of the formula (II) in which R1, R2, R3, R4 and R5 having the meanings given under formula (I), is isomerized in the presence of a Friedel-Crafts catalyst to give an m-substituted phenylalkanol of the formula (I). From the m-substituted phenylalkanols of the formula (I) it is possible to form, by oxidation or dehydrogenation, as products of value, the corresponding aldehydes, which are known as fragrances and aroma chemicals.Type: GrantFiled: October 19, 2010Date of Patent: April 1, 2014Assignee: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Publication number: 20130230476Abstract: The present invention relates to a fragrance composition comprising a mixture of diastereomers of 2-isobutyl-4-methyl-tetrahydro-2H-pyran-4-ol, which comprises more than 95 wt. % of the optically inactive cis-racemate and less than 5 wt. % of the optically inactive trans-racemate. The present invention further relates to a method for producing a perfumed product or article as well as perfumed or aromatized articles comprising the fragrance compositions of the present invention.Type: ApplicationFiled: November 8, 2011Publication date: September 5, 2013Applicant: BASF SEInventors: Ralf Pelzer, Wolfgang Krause, Karl Beck, Francis Bocris
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Patent number: 8367875Abstract: The invention relates to a process for the preparation of m-substituted alkyltoluenes of the formula (I) in which R1 is C1-C5-alkyl, wherein a p-substituted alkyltoluene of the formula (II) in which R1 has the meaning given under formula (I), is isomerized in the presence of ionic liquids to give an m-substituted alkyltoluene of the formula (I). The m-substituted alkyltoluenes obtainable according to the invention are starting compounds for the preparation of fragrances and aroma substances.Type: GrantFiled: February 10, 2011Date of Patent: February 5, 2013Assignee: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Publication number: 20120209030Abstract: The invention relates to a process for the preparation of m- or p-substituted phenylalkanols of the formula (I) in which R1 is bonded to the phenyl ring in the m- or p-position and is C1-C5-alkyl, and R2, R3, R4 and R5, independently of one another, are hydrogen or methyl, wherein an unsubstituted phenylalkanol of the formula (II) in which R2, R3, R4 and R5 have the meanings given under formula (I) is alkylated together with a C1-C5-alkyl halide of the formula (III) R1-Hal??(III), in which R1 has the meaning given under formula (I) and Hal is halogen, in the presence of a Friedel-Crafts catalyst to give an m- or p-alkyl-substituted phenylalkanol of the formula (I), then the reaction mixture is worked-up and the desired m- or p-alkyl-substituted phenylalkanol of the formula (I) is separated off, the other formed by-products are returned to the reaction mixture and these are isomerized in the presence of a Friedel-Crafts catalyst to give the desired m- or p-alkyl-substituted phenylalkanol.Type: ApplicationFiled: October 14, 2010Publication date: August 16, 2012Applicant: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Publication number: 20120209031Abstract: The invention relates to a process for the preparation of m-substituted phenylalkanols of the formula (I) in which R1 is C1-C5-alkyl and R2, R3, R4 and R5, independently of one another, are hydrogen or methyl, wherein a p-substituted phenylalkanol of the formula (II) in which R1, R2, R3, R4 and R5 having the meanings given under formula (I), is isomerized in the presence of a Friedel-Crafts catalyst to give an m-substituted phenylalkanol of the formula (I). From the m-substituted phenylalkanols of the formula (I) it is possible to form, by oxidation or dehydrogenation, as products of value, the corresponding aldehydes, which are known as fragrances and aroma chemicals.Type: ApplicationFiled: October 19, 2010Publication date: August 16, 2012Applicant: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Publication number: 20110306779Abstract: Process for the preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans of the formula (I) where the radical R1 is a straight-chain or branched alkyl or alkenyl radical having 1 to 12 carbon atoms, an optionally alkyl-substituted cycloalkyl radical having in total 3 to 12 carbon atoms or an optionally alkyl- and/or alkoxy-substituted aryl radical having in total 6 to 12 carbon atoms, comprising the reaction of 3-methylbut-3-en-1-ol of the formula (II) with an aldehyde of the formula (III) R1—CHO??(III), where the radical R1 has the same meaning as in formula (I) and where the reaction is carried out in the presence of water and in the presence of a strongly acidic cation exchanger, and then the isolation and/or the distillative separation is carried out in a dividing wall column or in an interconnection of (at least) two distillation columns in the form of a thermal coupling and one or more side take-off points at an absolute operating pressure of up to 500 mbar.Type: ApplicationFiled: June 10, 2011Publication date: December 15, 2011Applicant: BASF SEInventors: Gabriele Gralla, Karl Beck, Margarethe Klos, Ulrich Griesbach
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Publication number: 20110196176Abstract: The invention relates to a process for the preparation of m-substituted alkyltoluenes of the formula (I) in which R1 is C1-C5-alkyl, wherein a p-substituted alkyltoluene of the formula (II) in which R1 has the meaning given under formula (I), is isomerized in the presence of ionic liquids to give an m-substituted alkyltoluene of the formula (I). The m-substituted alkyltoluenes obtainable according to the invention are starting compounds for the preparation of fragrances and aroma substances.Type: ApplicationFiled: February 10, 2011Publication date: August 11, 2011Applicant: BASF SEInventors: Andreas Lanver, Klaus Ebel, Karl Beck, Ralf Pelzer, Jörg Botzem, Ulrich Griesbach
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Publication number: 20100222606Abstract: The present invention relates to a method of producing pure or enriched bisabolol by separating substance mixtures comprising bisabolol and farnesol by selective esterification of farnesol and subsequent distillative separation. The invention relates specifically to a method as specified above comprising the selective transesterification of mixtures comprising formyl-bisabolol and formyl-farnesol and subsequent distillative separation. The present invention furthermore relates to a method of producing farnesol esters.Type: ApplicationFiled: January 12, 2007Publication date: September 2, 2010Applicant: BASF SEInventors: Hansgeorg Ernst, Klaus-Peter Pfaff, Karl Beck, Jürgen Schubert, Günther Gottwald, Wolfgang Krause
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Publication number: 20080200682Abstract: This invention relates to a process of producing compounds, which are useful as bleach boosters, as well as to the compounds, which are obtainable using said process, and to their use.Type: ApplicationFiled: June 14, 2006Publication date: August 21, 2008Applicant: BASF AktiengesellschaftInventors: Karin Schein, Arno Kochner, Ludwig Volkel, Christian Bittner, Ingo Munster, Frank Dietsche, Wolfgang Schrof, Hansgeorg Ernst, Karl Beck, Andrea Misske, Martin Scholtissek
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Publication number: 20060020611Abstract: Apparatus and method for creating de-identified and linked records is described. More particularly, data records are de-identified at a client computer. De-identification includes field-level one-way encryption. De-identified records may then be sent to a server computer for linkage. Linkage is done using match codes created for such data records at the client computer. The server computer is configured to provide longitudinal linkage of de-identified client records to de-identified master records. In this manner, privacy may be maintained at the client computer prior to transmission of information, and longitudinal linkage of records may occur without exposing personally identifying information.Type: ApplicationFiled: August 2, 2005Publication date: January 26, 2006Inventors: Eric Gilbert, Kathi Evans, Troy Clark, Karl Beck
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Publication number: 20050165099Abstract: The invention relates to a method for producing 2-(4-N,N-dialkylamino-2-hydroxybenzoyl)benzoates of formula (I), in which the substituents R1 to R3, independently of one another, are defined as cited in the description. Said substances are produced as follows: L 3-N,N-dialkylamimophenol of formula (II) is reacted with phthalic anhydride of formula (III) to obtain 2-(4-N,N-dialkylamino-2-hydroxybenzoyl) benzoic acid of formula (IV) and II. said 2(4-N,N-dialkylamino-2-hydroxybenzoyl) benzoic acid of formula (IV) that has been formed in stage I. is esterified by means of a C1-C12 alcohol or a cyclic C3-C10 alcohol in the presence of an acidic catalyst to obtain 2-(4-N,N-dialkylamino-2-hydroxybenzoyl)benzoate of formula (I). The method is characterised in that the ester of formula (I) that has been formed is purified in an additional stage m by treatment with an adsorbent and/or by distillation.Type: ApplicationFiled: May 12, 2003Publication date: July 28, 2005Inventors: Thomas Heidenfelder, Karl Beck
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Publication number: 20050020131Abstract: The invention relates to a sealing device 1 for an electrical terminal 24 of a conductor carried in a carrier 21 which is electrically connected to a contact element 22 via the terminal 24. The sealing device comprises a housing having two housing parts 2, the two housing parts 2 being foldable at one end via a pivoting connection 4 to seal the terminal 24. The two housing parts 2 are respectively constructed as plate-shaped covers with large-area seals 3 on the inner faces of the covers.Type: ApplicationFiled: June 8, 2004Publication date: January 27, 2005Inventors: Karl Beck, Gregor Panitz, Heinrich Schmidt
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Publication number: 20050000790Abstract: A process for the isolation of amines from aqueous solutions by continuous distillation of aqueous solutions of the amines by a two-pressure method of rectifying aqueous solutions of amines which form with water an azeotrop, the composition of which is pressure-dependent, in two columns at different pressures provided that: a) the pressure in the second column is set to a value at least 0.5 bar higher than in the first column, b) the aqueous amine solution is fed, as a side stream, to the first column, and water and portions which boil at a higher temperature than the amine or which are non-volatile are removed at the base of the column, c) a mixture of amine and water is withdrawn at the head of the first column and fed, as a side stream, to the second column, d) an azeotrope of water and amine is withdrawn at the head of the second column and recycled to the first column, and (e) the purified amine is discharged at the base of the second column.Type: ApplicationFiled: November 12, 2002Publication date: January 6, 2005Inventors: Karl Beck, Torsten Freund, Bernd Gerber
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Patent number: 6530463Abstract: A transmission comprising at least one clutch (3, 4) which for closing can be actuated by a spring force and for opening can be actuated by a hydraulic pressure and the clutch can be shifted in a manner such that the pressure medium of an actuating device (6, 7) previously subjected to pressure drains directly into a pressure medium reservoir (21) until a defined pressure level is reached and below a defined pressure level fills an accumulator (17, 24) and flows out of the accumulator (17, 24) via a throttle point (22, 25) into a pressure medium reservoir (21) to make a pressure-modulated shifting of the clutch (3, 4) possible.Type: GrantFiled: October 3, 2001Date of Patent: March 11, 2003Assignee: ZF Friedrichshafen AGInventor: Karl Beck
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Publication number: 20020073099Abstract: Apparatus and method for creating de-identified and linked records is described. More particularly, data records are de-identified at a client computer. De-identification includes field-level encryption. De-identified records may then be sent to a server computer for linkage. Linkage is done using match codes created for such data records at the client computer. The server computer is configured to provide longitudinal linkage of de-identified client records to de-identified master records. In this manner, privacy may be maintained at the client computer prior to transmission of information, and longitudinal linkage of records may occur without exposing personally identifying information. Moreover, method and apparatus for re-identification of longitudinally linked de-identified records is described.Type: ApplicationFiled: August 15, 2001Publication date: June 13, 2002Inventors: Eric S. Gilbert, Kathi S. Evans, Troy S. Clark, Karl Beck
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Publication number: 20020073138Abstract: Apparatus and method for creating de-identified and linked records is described. More particularly, data records are de-identified at a client computer. De-identification includes field-level one-way encryption. De-identified records may then be sent to a server computer for linkage. Linkage is done using match codes created for such data records at the client computer. The server computer is configured to provide longitudinal linkage of de-identified client records to de-identified master records. In this manner, privacy may be maintained at the client computer prior to transmission of information, and longitudinal linkage of records may occur without exposing personally identifying information.Type: ApplicationFiled: August 15, 2001Publication date: June 13, 2002Inventors: Eric S. Gilbert, Kathi S. Evans, Troy S. Clark, Karl Beck
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Patent number: 5917080Abstract: A process for preparing 2-cyano-3,3-diarylacrylic esters of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 -C.sub.12 -alkyl groups, C.sub.- C.sub.12 -alkoxy groups or di(C.sub.1 -C.sub.4 -alkyl)amino groups and R.sup.3 is a C.sub.4 -C.sub.18 -alkyl group which can be interrupted by ether-functional oxygen atoms, by reacting a benzophenone imine of the general formula II ##STR2## with a cyanoacetic ester of the general formula III ##STR3## wherein the reaction is carried out at from 20 to 60.degree. C. and, during this, the liberated ammonia is continuously removed from the reaction mixture with the aid of a stream of gas or by reducing the pressure to from 900 to 100 mbar.Type: GrantFiled: December 1, 1997Date of Patent: June 29, 1999Assignee: BASF AktiengesellschaftInventors: Martin Holderbaum, Karl Beck, Alexander Aumuller, Tom Witzel, Guido Voit
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Patent number: 5904814Abstract: A process for removing water and ammonia from benzophenone imine reactor effluents resulting from the catalytic reaction of benzophenones of the formula I ##STR1## where R.sup.1 and R.sup.2, have the meaning stated in the specification and wherein ammonia is distilled off from effluents and wherein water is either distilled off from the effluents over removed non-distillatively.Type: GrantFiled: October 15, 1997Date of Patent: May 18, 1999Assignee: BASF AktiengesellschaftInventors: Guido Voit, Matthias Dernbach, Karl Beck, Martin Holderbaum, Hans-Jurgen Weyer