Patents by Inventor Marc Heider

Marc Heider 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: 5962700
    Abstract: A process for the preparation of butyrolactones of the formula I ##STR1## where the substituents R.sup.1 and R.sup.2 are hydrogen, alkyl or hydroxyalkyl groups, or aryl and trialkylsilyl groups, if appropriate carrying inert: substituents, is described in which an alkyne of the formula IIR.sup.1 --C.tbd.C--R.sup.2 IIwhere the substituents have the meanings indicated above, is reacted under reducing conditions at elevated pressure and elevated temperature with carbon monoxide CO and hydrogen in the presence of a transition metal catalyst or with carbon monoxide and water in the presence of a transition metal catalyst.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: October 5, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Thomas Ruhl, Jochem Henkelmann, Susanne Stutz, Thomas Preiss, Heinz Rutter, Martin Schafer, Arthur Hohn
  • Patent number: 5783697
    Abstract: Vinyl carbamate compounds are prepared by reacting appropriate secondary amines with carbon dioxide and acetylenically unsaturated compounds in the presence of a compound of a metal from the platinum group, in particular a ruthenium compound, with either one of the two process steps (a) and (b) or, preferably, both being carried out:(a) the acetylene compound is reinjected during the reaction;(b) the reaction is carried out in the presence of a tertiary amine.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: July 21, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Jochem Henkelmann, Michael Karcher, Thomas Ruhl
  • Patent number: 5747616
    Abstract: Ethylene-based copolymers which are suitable as flow improvers for mineral oil middle distillates are composed ofa) from 50 to 94% by weight of ethylene,b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids,c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene, andd) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c),copolymers in which monomer b) is vinyl acetate and which have a number average molecular weight of from 5000 to 50,000 being excluded, or are composed ofa') from 50 to 95.5% by weight of ethylene,b') from 4 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids,c') from 0.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: May 5, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch, Knut Oppenlander, Bernd Lothar Marczinke, Thomas Ruhl, Marc Heider
  • Patent number: 5747619
    Abstract: Water-soluble copolymerizates are disclosed containing carboxyl groups, and also containing the following components incorporated by polymerization: (a) 30 to 80 mol % monoethylenically unsaturated C.sub.3 -C.sub.8 carboxylic acids, anhydrides thereof and/or water-soluble salts thereof; (b) 10 to 50 mol % C.sub.2 -C.sub.8 olefines, styrene, alkyl styrene, C.sub.1 -C.sub.10 alkyl vinyl ethers and/or vinyl esters of saturated C.sub.1 -C.sub.10 monocarboxylic acids; and (c) 0.01 to 20 mol % vinyl ethers and/or allyl ethers of alkoxylated C.sub.1 -C.sub.30 alcohols. The copolymerizates in question have a K-value of at least 8 (determined after H. Fikentscher). Also disclosed are methods of producing the water-soluble copolymerizates by copolymerization of the monomers in the presence of radical-forming polymerization initiators, and the use of the polymerizates as scale inhibitors.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: May 5, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Denzinger, Heinrich Hartmann, Birgit Potthoff-Karl, Karl-Heinz Buechner, Marc Heider, Hans-Juergen Raubenheimer
  • Patent number: 5739398
    Abstract: A process for preparing N-alkenylureas of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcyc1oalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkyl, andR.sup.3 and R.sup.4 are hydrogen or C.sub.1 - to C.sub.8 -alkyl,by reaction of ureas of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, with an alkenyl carboxylate of the general formula III ##STR3## where R.sup.3 and R.sup.4 have the abovementioned meanings and R.sup.5 is hydrogen, C.sub.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: April 14, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochem Henkelmann, Marc Heider, Thomas Ruhl
  • Patent number: 5726321
    Abstract: Process for carrying out gas/liquid reactions at from (-50.degree.) to 300.degree. C. and from 0.1 to 100 bar by carrying out the reaction in the absence of a continuous gas phase, and, as a special case, a process for the batchwise reaction of acetylene in the liquid phase at from 0.degree. to 300.degree. C. and from 2 to 30 bar, in which acetylene is introduced a) in the absence of a continuous gas phase and b) under isobaric conditions to a degree of saturation of from 5 to 100%.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: March 10, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Bittins, Marc Heider, Martin Schmidt-Radde, Jochen Kellenbenz, Kurt Josef Wagner, Peter Zehner, Stefan Berg
  • Patent number: 5723685
    Abstract: The preparation of monovinyl ethers of the general formula I ##STR1## in which A stands for a chemical bond or for a methylene or ethylene group, the radicals R.sup.1 and R.sup.2 independently stand for hydrogen, alkyl, cycloalkyl, or aryl groups or R.sup.1 and R.sup.2 together form a C.sub.3 -C.sub.5 alkylene bridging member, by the reaction of a diol of the general formula II ##STR2## in which the variables have the above meanings, with acetylene in the presence of a base, in which the reaction is carried out at 150.degree.-250.degree. C. under an acetylene partial pressure of 5-25 bar until 40-80% of the diol has been converted, at which point the reaction is stopped and the monovinyl ether of the formula I is isolated.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: March 3, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Thomas Ruhl, Herbert Helfert, Martin Schmidt-Radde, Jochem Henkelmann
  • Patent number: 5723678
    Abstract: Acetylenic compounds of the general formula IR.sup.1 --C.tbd.C--CHR.sup.2 --CH.sub.2 --X Iwhere the substituents have the following meanings:R.sup.1 hydrogen, unsubstituted or substituted alkyl or aryl;R.sup.2 hydrogen or C.sub.1 -C.sub.4 -alkyl;X CN; COOR.sup.3 where R.sup.3 is C.sub.1 -C.sub.6 -alkyl or benzyl; C(O)R.sup.4 where R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,are prepared by reacting an alkyne of the formula IIR.sup.1 --C.tbd.C--H IIwith an .alpha.,.beta.-unsaturated compound of the formula IIIR.sup.2 HC.dbd.CH--X IIIin the presence of a homogeneous rhodium-phosphine catalyst, in a process wherein a catalyst with a bidentate or tridentate phosphine compound is used.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: March 3, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Jochem Henkelmann, Marc Heider, Peter Hofmann
  • Patent number: 5710331
    Abstract: Preparation of N-alkenyl carboxamides of the general formula I ##STR1## in which the radicals R.sup.1 to R.sup.4 independently stand for hydrogen or for aliphatic, cycloaliphatic, or aromatic radicals, which optionally carry inert substituents, wherein an amide of the general formula II ##STR2## in which the radical R.sup.1 has the above meaning, and a carbonyl compound of the general formula III ##STR3## in which the radicals R.sup.2 to R.sup.4 have the above meanings, are caused to react in the presence of a base, said reaction being eithera) carried out in the presence of a carboxylic acid derivative of the general formula IV ##STR4## in which the radical R.sup.5 stands for hydrogen or an alkyl or aryl group and X is a halogen, alkoxy, or carboxylalkyl radical, orb) continued in the presence of a carboxylic acid derivative of the formula IV, and the amide of the formula I is isolated.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: January 20, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Thomas Ruhl, Jochem Henkelmann
  • Patent number: 5696223
    Abstract: Oxime ethers of the general formula I ##STR1## where the variables have the following meanings: R.sup.1, R.sup.2 independently of one another hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.4 -C.sub.10 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or together a bridge of 3-14 carbon atoms,R.sup.3 hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl which is unsubstituted or carries inert substituents,n an integer from 1 to 100,A C.sub.2 -C.sub.10 -alkylene groups which are unsubstituted or carry inert substituents,a process for the preparation thereof and the use thereof as copolymerizable monomers are described.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: December 9, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Karcher, Marc Heider, Thomas Ruhl, Jochem Henkelmann
  • Patent number: 5689017
    Abstract: Preparation of a monolithium acetylide/ammonia complex by the reaction of lithium amide and acetylene in ammonia, by carrying out the reaction at a temperature of from -10.degree. to 30.degree. C.
    Type: Grant
    Filed: October 12, 1995
    Date of Patent: November 18, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Rolf Muller, Jochem Henkelmann, Marc Heider
  • Patent number: 5683555
    Abstract: Reaction mixtures obtained in addition reactions of OH-- or NH-- carrying compounds with acetylene or propyne in the presence of alkali metal alcoholates or alkali metal amides are worked up by distilling off the vaporizable components from the reaction mixture in a thin-film evaporator. Before removal of the vaporizable components from the reaction mixture, a particularly defined polyether is added thereto.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: November 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Michael Karcher, Martin Schmidt-Radde, Albrecht Dams
  • Patent number: 5684108
    Abstract: An ethylene-based copolymer which is suitable as a flow improver for mineral oil middle distillates and is composed ofa) from 50 to 94% by weight of ethylene;b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids;c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the formula I ##STR1## which R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 are identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene; andd) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c), wherein copolymers containing vinyl acetate as monomer b) and having a number average molecular weight of from 5,000 to 50,000 are excluded from the scope of the copolymer.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: November 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch, Knut Oppenlander, Bernd Lothar Marczinke, Thomas Ruhl, Marc Heider
  • Patent number: 5670639
    Abstract: N-Vinyllactams of the general formula I ##STR1## where n is from 1 to 3, are prepared by a process which comprises reaction of a lactam of the general formula II ##STR2## where n is from 1 to 3, with from 10 to 90 percent by weight of an aqueous alkali metal hydroxide solution with distillation at from 50.degree. to 250.degree. C. and from 1 to 100 mbar and with a residence time of from 0.1 to 5 hours and subsequent reaction with acetylene at from 60.degree. to 250.degree. C. and from 1 to 100 bar.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 23, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Schmidt-Radde, Marc Heider, Albrecht Dams, Harald Rust
  • Patent number: 5654478
    Abstract: N-Alkenylcarboxamides of the formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen, the second radical R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, are prepared by reacting an alkenyl carboxylate of the formula II ##STR2## where R.sup.1 has the abovementioned meanings and R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where R.sup.2 has the abovementioned meanings, in the presence of a base.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: August 5, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Jochem Henkelmann, Marc Heider, Bernd Fiechter
  • Patent number: 5646293
    Abstract: A process for preparing N-alkenylazoles of the general formula I ##STR1## where X is CH--R.sup.6 or nitrogen,R.sup.1 and R.sup.2 are hydrogen or C.sub.1 - to C.sub.8 -alkyl,R.sup.3,R.sup.4,R.sup.5 and R.sup.6 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcycloalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, or R.sup.3 and R.sup.4 or R.sup.4 and R.sup.5 or R.sup.5 and R.sup.6 together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkylby reaction of azoles of the general formula II ##STR2## where X, R.sup.3, R.sup.4 and R.sup.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: July 8, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochem Henkelmann, Marc Heider, Thomas Ruhl
  • Patent number: 5641881
    Abstract: Preparation of N-alkenylcarboxamides of the general formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen and the second radical R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl group, the radical R.sup.2 is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be bonded to the radical R.sup.3 to give a 3- to 10-membered bridge member, and the radical R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the meanings indicated above and R.sup.4 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where the radicals R.sup.2 and R.sup.3 have the meanings indicated above, by reacting the starting compounds in the presence of a base is described.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: June 24, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Jochem Henkelmann, Marc Heider
  • Patent number: 5639890
    Abstract: N-Alkenylcarbamic esters of the general formula I ##STR1## where at least one of the R.sup.1 radicals is hydrogen and the second R.sup.1 radical is hydrogen or C.sub.1 -C.sub.4 --alkyl, the R.sup.2 radical is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be linked to the R.sup.3 radical to form a 2- to 10-membered bridge, and the R.sup.3 radical is an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the abovementioned meaning, and R.sup.4 is hydrogen, an aliphatic, cycloaliphatic or aromatic radical, and a carbamic ester of the general formula III ##STR3## where the R.sup.2 and R.sup.3 radicals have the abovementioned meanings, are prepared by reacting the starting compounds in the presence of a base.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: June 17, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochem Henkelmann, Marc Heider, Thomas Ruhl
  • Patent number: 5603813
    Abstract: Vinyl formate containing formic acid, acetaldehyde and water following synthesis is separated from formic acid and water in a first distillation stage and from acetaldehyde in a second stage to give pure vinyl formate.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: February 18, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Marc Heider, Jochem Henkelmann, Ralf-Thomas Rahn, Harald Rust
  • Patent number: 5587503
    Abstract: Process for preparing silicon-containing vinyl ethers and vinyl thioethers of the general formula I ##STR1## where the variables have the following meanings: X is oxygen or sulfur,R.sup.1 is C.sub.1 -C.sub.20 -alkylene, C.sub.3 -C.sub.12 -cycloalkylene or C.sub.6 -C.sub.10 -arylene,R.sup.2, R.sup.3 and R.sup.4 are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.1 -C.sub.12 -alkoxy, phenoxy, heteroaryl or together with R.sup.1 form a C.sub.3 -C.sub.12 -cycle,by reaction of silicon-containing alcohols or thiols of the general formula II ##STR2## where the variables have the meaning indicated above, with acetylene, by carrying out the reaction in phenyl methyl sulfoxide, dimethyl sulfoxide, sulfolane or hexamethylphosphoramide in the presence of an alkali metal hydroxide.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: December 24, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Heider, Jochem Henkelmann, Michael Karcher