Patents by Inventor Werner Schwarze
Werner Schwarze 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: 4621121Abstract: The invention is directed to bis-(2-ethylamino-4-diethylamino-s-triazin-6-yl)-tetrasulfide and a process for its production from the corresponding mercaptotriazine. The compound of the invention is employed in vulcanizable mixtures as a cross-linker or as vulcanization accelerator.Type: GrantFiled: January 22, 1985Date of Patent: November 4, 1986Assignee: Degussa AktiengesellschaftInventors: Werner Schwarze, Siegfried Wolff, Hans Remmel, Horst Lambertz
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Patent number: 4524211Abstract: There are prepared 1-amino-2-mercapto-2-methylpropyl phosphonic acid or 1-amino-2-mercapto-2-methylpropyl alkylphosphinic acids of the formula ##STR1## in which Y is hydroxy or an alkyl group by reacting thiazoline-(3) with a phosphonic acid dialkyl ester or an alkylphosphinic acid alkyl ester and then hydrolytically splitting the thiazolidinyl phosphonic acid dialkyl ester or thiazolidinyl alkylphosphinic acid alkyl ester. The thiazolidinyl compounds are new compounds. The 1-amino-2-mercapto-2-methylpropyl phosphonic acid and the 1-amino-2-mercapto-2-methylpropyl alkylphosphinic acids are needed for pharmaceutical purposes.Type: GrantFiled: November 16, 1983Date of Patent: June 18, 1985Assignee: Degussa AktiengesellschaftInventors: Karlheinz Drauz, Hans G. Koban, Jurgen Martens, Werner Schwarze
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Patent number: 4520209Abstract: .gamma.-chlorocarboxylic acid methyl or ethyl esters are cyclized to the corresponding cyclopropane carboxylic acid esters by employing the sodium or potassium alcoholate of methanol or ethanol in the presence of the same alcohol at a temperature above the boiling point of the alcohol employed.Type: GrantFiled: June 28, 1984Date of Patent: May 28, 1985Assignee: Degussa AktiengesellschaftInventors: Werner Schwarze, Axel Kleemann, Hans Remmel, Wolfgang Hohn
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Patent number: 4482759Abstract: There are prepared compounds of the general formula ##STR1## where R is methyl or ethyl and R.sub.1 is halogen or hydrogen. The compounds are useful as fungicides, especially against Piricularia oryzae on rice.Type: GrantFiled: February 22, 1983Date of Patent: November 13, 1984Assignee: Degussa AktiengesellschaftInventors: Werner Schwarze, Axel Kleemann
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Patent number: 4402733Abstract: Herbicidally active derivatives of the formula ##STR1## in which R represents methyl, ethyl or n-propyl.Type: GrantFiled: April 20, 1981Date of Patent: September 6, 1983Assignees: Ciba-Geigy Corporation, Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Georg Pissiotas, Willy Meyer, Werner Schwarze, Herbert Klenk, Wolfgang Leuchtenberg
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Patent number: 4390719Abstract: 1-Methyl-2-chlorocyclopropanecarboxylic acid and its lower esters are produced by the selective hydrogenating dechlorination of the corresponding 1-methyl-2,2-dichlorocyclopropane compounds. The new materials can be used as intermediate products for the production of pesticides and medicines.Type: GrantFiled: July 6, 1981Date of Patent: June 28, 1983Assignee: Degussa AktiengesellschaftInventors: Werner Schwarze, Axel Kleemann, Wolfgang Leuchtenberger
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Patent number: 4358459Abstract: There are prepared new cyclopropane carboxylic acid esters, particularly the tetrahydrobenzyl ester. They have insecticide and ovicide activity. The compounds are prepared by known methods of esterification.Type: GrantFiled: December 17, 1980Date of Patent: November 9, 1982Assignee: Degussa AktiengesellschaftInventors: Werner Schwarze, Axel Kleemann
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Patent number: 4246189Abstract: Aliphatic, cycloaliphatic and aromatic epoxides are reacted with ketone cyanohydrins of the formula ##STR1## wherein R.sub.1 and R.sub.2 are aliphatic groups of 1 to 4 carbon atoms at 20.degree. to 150.degree. C. to produce hydroxynitriles. The reaction optionally can be carried out in an inert organic solvent.Type: GrantFiled: August 29, 1979Date of Patent: January 20, 1981Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Axel Kleemann, Werner Schwarze
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Patent number: 4228082Abstract: Compounds are prepared of the formula ##STR1## where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl group or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formulaR--CO--CN (II)where R is as defined above with either(a) a tertiary alcohol of the formulaHO--R' (III)in which R' is as defined above, or preferably(b) an alkene of the formula ##STR2## where R.sub.1 and R.sub.Type: GrantFiled: July 9, 1979Date of Patent: October 14, 1980Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Axel Kleemann, Herbert Klenk, Heribert Offermanns, Paul Scherberich, Werner Schwarze
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Patent number: 4224226Abstract: Compounds are prepared of the formula ##STR1## where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl groups or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formulaR--CO--CN (II)where R is as defined above with either(a) a tertiary alcohol of the formulaHO--R' (III)in which R' is as defined above, or preferably(b) an alkene of the formula ##STR2## where R.sub.1 and R.sub.Type: GrantFiled: July 20, 1978Date of Patent: September 23, 1980Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Axel Kleemann, Herbert Klenk, Heribert Offermanns, Paul Scherberich, Werner Schwarze
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Patent number: 4189550Abstract: There are used as antistatic agents for thermoplastic synthetic resins compounds of the formulae ##STR1## where R and R' are saturated alkyl groups in which the sum of the carbon atoms in the two alkyl groups is 4 to 30 carbon atoms and wherein one of R and R' can be hydrogen,R.sup.2 is hydrogen, lower alkyl with one to 5 carbon atoms, 2-hydroxyethyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, benzyl o-,m- and/or p-methylbenzyl, o-,m- and/or p-chlorobenzyl, o-,m- and/or p-bromobenzyl, aminoalkyl (C.sub.2 to C.sub.6), preferably aminoalkyl (C.sub.2 and C.sub.3), alkyl (C.sub.1 to C.sub.6)-amino-alkyl (C.sub.2 to C.sub.6), 2-hydroxyethyl-aminoalkyl (C.sub.2 to C.sub.6), 2-hydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6) or 2,3-dihydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6),R.sup.3 in case the compound is present as the ammonium salt is hydrogen or a lower alkyl group with 1 to 5 carbon atoms,R.sup.4 is hydrogen or hydroxyl, andX.sup.Type: GrantFiled: July 27, 1977Date of Patent: February 19, 1980Assignees: Deutsche Gold- und Silber-Scheindeanstalt vormals Roessler, Henkel & Cie GmbHInventors: Werner Schwarze, Wolfgang Merk, Volker Binder
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Patent number: 4175188Abstract: 1,2,4-triazin-5-one compounds of the general formula (I) ##STR1## where R is ##STR2## are prepared by reacting a compound of general formula (II) ##STR3## in which R is defined above with either (a) a tertiary alcohol of general formula (III)HO--R' (III)in which R' is a t-alkyl group having 4 to 18 carbon atoms, especially t-amyl or t-octyl or preferably t-butyl or(b) an alkene of general formula (IV) ##STR4## in which R.sub.1 and R.sub.2 are the same or different and are hydrogen or an alkyl group and R.sub.3 and R.sub.4 are the same or different and wherein the alkyl groups in each case can be 1 to 15 carbon atoms and wherein preferably R.sub.1 and R.sub.2 are hydrogen and R.sub.3 and R.sub.4 each are methyl to form an .alpha.Type: GrantFiled: July 12, 1978Date of Patent: November 20, 1979Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Herbert Klenk, Werner Schwarze, Wolfgang Leuchtenberger
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Patent number: 4161491Abstract: There are prepared .alpha.-ketocarboxylic acid amides of the formula ##STR1## where R is hydrogen, R.sub.1 and R.sub.2 are the same or different, R.sub.1 is alkyl of 1 to 18 carbon atoms or haloalkyl, preferably chloroalkyl, of 1 to 18 carbon atoms, and R.sub.2 is hydrogen, alkyl of 1 to 18 carbon atoms or haloalkyl, preferably chloroalkyl, of 1 to 18 carbon atoms or ##STR2## together is a cycloalkyl group of 3 to 8 carbon atoms which can be substituted by one or more 1 to 5 carbon atom alkyl groups or by one or more halogen atoms, preferably chlorine atoms, with the proviso that when ##STR3## form a cycloalkyl group then R can also be alkyl of 1 to 5 carbon atoms. The process comprises saponifying an acyl cyanide of the formula ##STR4## in which R, R.sub.1 and R.sub.2 are as defined above in an organic solvent or mixture of such solvents which is liquid and inert under the reaction conditions, first with gaseous hydrogen chloride and then treating with water at a temperature of about -70.degree. C.Type: GrantFiled: June 2, 1977Date of Patent: July 17, 1979Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Axel Kleemann, Herbert Klenk, Werner Schwarze
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Patent number: 4124630Abstract: Chloromethyl thiocyanate is prepared by reacting bromochloromethane with an alkali or alkaline earth thiocyanate or with ammonium thiocyanate in the presence of water and an onium salt as a catalyst.Type: GrantFiled: October 26, 1977Date of Patent: November 7, 1978Inventors: Heribert Offermanns, Werner Schwarze, Rudolf Vanheertum
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Patent number: 4122116Abstract: There are prepared acyl cyanides of the formula ##STR1## where R is a straight or branched chain alkyl group having 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms, and which also can be substituted by one or more phenyl groups or halogen atoms, preferably chlorine, or R is preferably a cycloalkyl group having 3 to 8 carbon atoms, preferably cyclopropyl, which can have one or more 1 to 3 carbon atoms alkyl or halogen, preferably chlorine, substituents wherein in all of the above set forth substitutions the halogen atoms and the phenyl groups are not on the carbon atom adjacent to the carbonyl group or R is a substituted phenyl group, a naphthyl group, a substituted naphthyl group or a five membered heterocyclic group, e.g., furyl, thienyl or alkyl substituted thienyl wherein the substituents on the phenyl or naphthyl are halogen atoms, nitro groups or alkyl or alkoxy groups having 1 to 5 carbon atoms.Type: GrantFiled: February 23, 1978Date of Patent: October 24, 1978Assignee: Deutsche Gold- und Silber- Scheideanstalt vormals RoesslerInventors: Herbert Klenk, Heribert Offermanns, Werner Schwarze
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Patent number: 4108875Abstract: There are prepared acyl cyanides of the formula ##STR1## where R is a straight or branched chain alkyl group having 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms, and which also can be substituted by one or more phenyl groups or halogen atoms, preferably chlorine, or R is preferably a cycloalkyl group having 3 to 8 carbon atoms, preferably cyclopropyl, which can have one or more 1 to 3 carbon atom alkyl or halogen, preferably chlorine, substituents wherein in all of the above set forth substitutions the halogen atoms and the phenyl groups are not on the carbon atom adjacent to the carbonyl group or R is a substituted phenyl group, a naphthyl group, a substituted naphthyl group or a five membered heterocyclic group, e.g., furyl, thienyl or alkyl substituted thienyl, wherein the substituents on the phenyl or naphthyl are halogen atoms, nitro groups or alkyl or alkoxy groups having 1 to 5 carbon atoms.Type: GrantFiled: June 2, 1977Date of Patent: August 22, 1978Assignee: Deutsche Gold- und Silber-Scheideanstalt Vormals RoesslerInventors: Herbert Klenk, Heribert Offermanns, Werner Schwarze
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Patent number: 4108877Abstract: There are prepared acyl cyanides of the formula ##STR1## where R is a straight or branched chain alkyl group having 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms, and which also can be substituted by one or more phenyl groups or halogen atoms, preferably chlorine, or R is preferably a cycloalkyl group having 3 to 8 carbon atoms, preferably cyclopropyl, which can have one or more 1 to 3 carbon atom alkyl or halogen, preferably chlorine, substituents wherein in all of the above set forth substitutions the halogen atoms and the phenyl groups are not on the carbon atom adjacent to the carbonyl group or R is a substituted phenyl group, a naphthyl group, a substituted naphthyl group or a five membered heterocyclic group, e.g., furyl, thienyl or alkyl substituted thienyl, wherein the substituents on the phenyl or naphthyl are halogen atoms, nitro groups or alkyl or alkoxy groups having 1 to 5 carbon atoms.Type: GrantFiled: June 2, 1977Date of Patent: August 22, 1978Assignee: Deutsche Gold- und Silber-Scheideanstalt Vormals RoesslerInventors: Herbert Klenk, Heribert Offermanns, Werner Schwarze
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Patent number: 4083872Abstract: There are prepared compounds of the formulae ##STR1## where R and R.sup.1 are saturated alkyl groups in which the sum of the carbon atoms in the two alkyl groups is 4 to 30 carbon atoms and wherein one of R and R.sup.1 can be hydrogen,R.sup.2 is hydrogen, lower alkyl with one to five carbon atoms, 2-hydroxyethyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, benzyl,o-,m- or p-methylbenzyl, o-,m- or p-chlorobenzyl, o-,m- or p-bromobenzyl, aminoalkyl (C.sub.2 to C.sub.6), preferably aminoalkyl (C.sub.2 and C.sub.3), alkyl (C.sub.1 to C.sub.5)-aminoalkyl (C.sub.2 to C.sub.6), 2-hydroxyethyl-aminoalkyl (C.sub.2 to C.sub.6), 2-hydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6) or 2,3-dihydroxy-propyl-aminoalkyl (C.sub.2 to C.sub.6),R.sup.3 in case the compound is present as the ammonium salt is hydrogen or a lower alkyl group with 1 to 5 carbon atoms, andX- is a monovalent, inorganic or organic acid group or one equivalent of a polybasic inorganic or organic group.Type: GrantFiled: January 30, 1976Date of Patent: April 11, 1978Assignees: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Henkel Kommandit- Gesellschaft auf Aktien (Henkel KGaA)Inventors: Werner Schwarze, Wolfgang Merk, Volker Binder
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Patent number: 4070531Abstract: There are used as antistatic agents for thermoplastic synthetic resins compounds of the formulae ##STR1## where R and R' are saturated alkyl groups in which the sum of the carbon atoms in the two alkyl groups is 4 to 30 carbon atoms and wherein one of R and R' can be hydrogen,R.sup.2 is hydrogen, lower alkyl with one to 5 carbon atoms, 2-hydroxyethyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, benzyl o-,m- and/or p-methylbenzyl, o-,m- and/or p-chlorobenzyl, o-,m- and/or p-bromobenzyl, aminoalkyl (C.sub.2 to C.sub.6), preferably aminoalkyl (C.sub.2 and C.sub.3), alkyl (C.sub.1 to C.sub.6)-aminoalkyl (C.sub.2 to C.sub.6), 2-hydroxyethyl-aminoalkyl (C.sub.1 to C.sub.6), 2-hydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6) or 2,3-dihydroxypropyl-aminoalkyl (C.sub.2 to C.sub.6),R.sup.3 in case the compound is present as the ammonium salt is hydrogen or a lower alkyl group with 1 to 5 carbon atoms,R.sup.4 is hydrogen or hydroxyl, andX.sup.Type: GrantFiled: January 30, 1976Date of Patent: January 24, 1978Assignees: Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler, Henkel & Cie. GmbHInventors: Werner Schwarze, Wolfgang Merk, Volker Binder
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Patent number: 4061869Abstract: There are prepared compounds of the formula ##STR1## where R and R.sup.1 are saturated and preferably linear alkyl groups in which the sum of carbon atoms in the two alkyl groups is 4 to 30,One of R and R.sup.1 can also be hydrogen,R.sup.2 is hydrogen or if R.sup.3 is hydrogen, thenR.sup.2 is the group ##STR2## where n is 1 to 10, R.sup.3 is hydrogen or, if R.sup.2 is hydrogen, thenR.sup.3 is the group ##STR3## and R.sup.4 is hydrogen or methyl.The compounds are useful as antistatic agents for thermoplastic resins.Type: GrantFiled: May 18, 1976Date of Patent: December 6, 1977Assignees: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Henkel U. CieInventors: Werner Schwarze, Wolfgang Merk, Volker Binder