Patents by Inventor Edgar Mohring
Edgar Mohring 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: 4684728Abstract: A biologically active compound can be solubilized by reaction in different sequences to form a derivative carrying the active moiety, a linking group such as an optionally substituted diisocyanate radical, a polyether moiety such as a polyoxyethylene radical, and a terminal group such as a butyl radical, e.g. ##STR1## n=1 to 400. The active materials can be agricultural chemicals, pharmaceuticals, and the like.Type: GrantFiled: December 28, 1979Date of Patent: August 4, 1987Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller, Peter Roessler, Kuno Wagner, Helmut Tietz
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Patent number: 4654377Abstract: The instant invention relates to an improved process for the preparation of low molecular weight polyalcohols by the catalytic hydrogenation of a mixture of different low molecular weight hydroxy aldehydes, hydroxy ketones and optionally also polyhydric alcohols such as is formed from the autocondensation of formaldehyde (such a mixture will hereinafter be referred to as "formose"). The invention also relates to the use of these polyalcohols for the production of polyurethane resins.Type: GrantFiled: April 28, 1986Date of Patent: March 31, 1987Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4608446Abstract: The instant invention relates to an improved process for the preparation of low molecular weight polyalcohols by the catalytic hydrogenation of a mixture of different low molecular weight hydroxy aldehydes, hydroxy ketones and optionally also polyhydric alcohols such as is formed from the autocondensation of formaldehyde (such a mixture will hereinafter be referred to as "formose"). The invention also relates to the use of these polyalcohols for the production of polyurethane resins.Type: GrantFiled: May 25, 1982Date of Patent: August 26, 1986Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4581434Abstract: A process for increasing the duration of action of a pest-combating agent having at least one hydrogen atom which is active in Zerewitinoff reactions but which is not part of a carbamic acid ester group ##STR1## comprising linking the pest-combating agent with a polyether via a difunctional coupling member.Type: GrantFiled: August 12, 1983Date of Patent: April 8, 1986Assignee: Bayer AktiengesellschaftInventors: Roland Richter, Paul Reinecke, Hanns P. Muller, Edgar Mohring, Wilhelm Brandes
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Patent number: 4326086Abstract: This invention relates to an improved process for the preparation of formose by the condensation of aqueous formaldehyde. In the process according to this invention, tertiary amines which contain an electrophilic hetero atom in the .beta.-position to the tertiary nitrogen atom are used for controlling the pH instead of the inorganic bases which have previously been used for this purpose.Type: GrantFiled: August 17, 1978Date of Patent: April 20, 1982Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
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Patent number: 4300003Abstract: Formose solutions are hydrogenated in a batchwise alkaline two-stage catalytic process to produce low molecular weight polyhydric alcohols.Type: GrantFiled: July 6, 1979Date of Patent: November 10, 1981Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
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Patent number: 4263296Abstract: 1,3-Substituted-(1,2,3,4,5,6H)-triazine-2,4-diones of the formula ##STR1## in which R represents straight-chain, branched or cyclic alkyl with up to 20 carbon atoms which is optionally monosubstituted or polysubstituted by halogen, cyano, aryloxy, alkoxy or halogenoalkoxy, or represents phenyl or naphthyl, either of which is optionally monosubstituted or polysubstituted by halogen, CN, C.sub.1 -C.sub.4 -alkyl, monoalkylamino, dialkylamino, halogenoalkyl, phenoxy (which is optionally substituted by halogen and/or halogenoalkyl), alkoxy or halogenoalkoxy, or represents phenylsulphonyl which is optionally substituted by halogen, cyano, monoalkylamino, dialkylamino or alkoxy, or represents alkylsulphonyl which is optionally substituted by halogen or cyano andR.sup.1 represents hydrogen, or represents straight-chain, branched or cyclic alkyl with up to 10 carbon atoms which is optionally substituted by halogen, alkoxy or cyano, or represents optionally substituted aryl,which possess arthropodicidal properties.Type: GrantFiled: December 20, 1978Date of Patent: April 21, 1981Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Peter Stadler, Peter Roessler
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Patent number: 4258222Abstract: The instant invention is directed to a process for the production of low molecular weight polyhydric alcohols by hydrogenating formose solutions in the presence of metal catalysts comprising(a) introducing an at least 20% solution of formose, of which the pH-value was adjusted before hydrogenation to a value of from 7.5 to 12.5, in batches into a first reactor in a manner such that the content of reducible groups, determined as carbonyl groups, in the reactor does not exceed a level of 2% by weight;(b) hydrogenating the solution in batches in the presence of a total quantity of a first catalyst of from 10.sup.-4 to 5.10.sup.Type: GrantFiled: July 6, 1979Date of Patent: March 24, 1981Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
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Patent number: 4255529Abstract: This invention relates to an improved process for the preparation of formose by the condensation of aqueous formaldehyde. In the process according to this invention, tertiary amines which contain an electrophilic hetero atom in the .beta.-position to the tertiary nitrogen atom are used for controlling the pH instead of the inorganic bases which have previously been used for this purpose.Type: GrantFiled: May 14, 1979Date of Patent: March 10, 1981Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
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Patent number: 4192936Abstract: This invention relates to an improved process for the preparation of polyisocyanate mixtures containing biuret groups by the reaction of organic diisocyanates with compounds which react with isocyanate groups to form biuret groups, to the polyisocyanate mixtures obtained by this process and to the use thereof for the preparation of polyurethane resins by the isocyanate polyaddition process.Type: GrantFiled: February 2, 1979Date of Patent: March 11, 1980Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4181782Abstract: The present invention relates to a process for the preparation of polyisocyanates having biuret groups by reaction of excess quantities of organic polyisocyanates with compounds which react with isocyanate groups to form biuret groups, characterized in that the organic polyisocyanates are reacted with a mixture of water and at least one aliphatic, cycloaliphatic or araliphatic monoamine or polyamine.Type: GrantFiled: November 13, 1978Date of Patent: January 1, 1980Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4175015Abstract: This invention relates to a continuous or discontinuous process for the removal of catalytic quantities of lead ions from aqueous formose solutions by cationic electrodeposition. The process is preferably carried out with a constant current and in at least three stages, with lower current densities being maintained during the first and last stage than in the middle stages.Type: GrantFiled: August 17, 1978Date of Patent: November 20, 1979Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Hanns P. Muller
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Patent number: 4174392Abstract: Combating arthropods with substituted triazine-2,4-diones of the formula ##STR1## in which R is alkyl or alkenyl with up to 20 carbon atoms, phenyl, naphthyl, or phenyl or naphthyl substituted by halogen, nitro or alkyl with 1-4 carbon atoms, andR.sup.1 is optionally substituted alkyl with 5-10 carbon atoms, or aryl.Those compounds are new whereinR.sup.1 is optionally substituted alkyl, or is aryl when R is naphthyl, or substituted phenyl or naphthyl.Type: GrantFiled: May 9, 1978Date of Patent: November 13, 1979Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Peter Roessler
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Patent number: 4174445Abstract: Substituted triazine-2,4-diones of the formula ##STR1## in which R is an organo radical, andR.sup.1 is hydrogen or an organo radical,which possess arthropodicidal properties and are produced by reacting an isocyanate of the formulaR--N.dbd.C.dbd.Type: GrantFiled: October 5, 1977Date of Patent: November 13, 1979Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Peter Roessler
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Patent number: 4152350Abstract: This invention relates to an improved process for the preparation of polyisocyanate mixtures containing biuret groups by the reaction of organic diisocyanates with compounds which react with isocyanate groups to form biuret groups, to the polyisocyanate mixtures obtained by this process and to the use thereof for the preparation of polyurethane resins by the isocyanate polyaddition process.Type: GrantFiled: November 14, 1977Date of Patent: May 1, 1979Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4127599Abstract: The present invention relates to a process for the preparation of polyisocyanates having biuret groups by reaction of excess quantities of organic polyisocyanates with compounds which react with isocyanate groups to form biuret groups, characterized in that the organic polyisocyanates are reacted with a mixture of water and at least one aliphatic, cycloaliphatic or araliphatic monoamine or polyamine.Type: GrantFiled: April 22, 1977Date of Patent: November 28, 1978Assignee: Bayer AktiengesellschaftInventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
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Patent number: 4048315Abstract: New 1,3-identically substituted-triazine-2,4-diones of the formula ##STR1## in which R is alkyl with 2 to 6 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, phenyl, naphthyl, or phenyl or naphthyl substituted by halogen, nitro or alkyl with 1 to 4 carbon atoms, andR.sup.Type: GrantFiled: September 9, 1976Date of Patent: September 13, 1977Assignee: Bayer AktiengesellschaftInventors: Hellmut Bredereck, Willi Kantlehner, Wolfgang Kugel, Edgar Mohring, Peter Roessler