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).

  • Patent number: 4684728
    Abstract: 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: Grant
    Filed: December 28, 1979
    Date of Patent: August 4, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Peter Roessler, Kuno Wagner, Helmut Tietz
  • Patent number: 4654377
    Abstract: 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: Grant
    Filed: April 28, 1986
    Date of Patent: March 31, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4608446
    Abstract: 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: Grant
    Filed: May 25, 1982
    Date of Patent: August 26, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4581434
    Abstract: 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: Grant
    Filed: August 12, 1983
    Date of Patent: April 8, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Richter, Paul Reinecke, Hanns P. Muller, Edgar Mohring, Wilhelm Brandes
  • Patent number: 4326086
    Abstract: 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: Grant
    Filed: August 17, 1978
    Date of Patent: April 20, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
  • Patent number: 4300003
    Abstract: Formose solutions are hydrogenated in a batchwise alkaline two-stage catalytic process to produce low molecular weight polyhydric alcohols.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: November 10, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
  • Patent number: 4263296
    Abstract: 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: Grant
    Filed: December 20, 1978
    Date of Patent: April 21, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Peter Stadler, Peter Roessler
  • Patent number: 4258222
    Abstract: 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: Grant
    Filed: July 6, 1979
    Date of Patent: March 24, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
  • Patent number: 4255529
    Abstract: 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: Grant
    Filed: May 14, 1979
    Date of Patent: March 10, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Kuno Wagner
  • Patent number: 4192936
    Abstract: 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: Grant
    Filed: February 2, 1979
    Date of Patent: March 11, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4181782
    Abstract: 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: Grant
    Filed: November 13, 1978
    Date of Patent: January 1, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4175015
    Abstract: 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: Grant
    Filed: August 17, 1978
    Date of Patent: November 20, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller
  • Patent number: 4174392
    Abstract: 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: Grant
    Filed: May 9, 1978
    Date of Patent: November 13, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Peter Roessler
  • Patent number: 4174445
    Abstract: 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: Grant
    Filed: October 5, 1977
    Date of Patent: November 13, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Peter Roessler
  • Patent number: 4152350
    Abstract: 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: Grant
    Filed: November 14, 1977
    Date of Patent: May 1, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4127599
    Abstract: 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: Grant
    Filed: April 22, 1977
    Date of Patent: November 28, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Kuno Wagner, Hanns P. Muller
  • Patent number: 4048315
    Abstract: 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: Grant
    Filed: September 9, 1976
    Date of Patent: September 13, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hellmut Bredereck, Willi Kantlehner, Wolfgang Kugel, Edgar Mohring, Peter Roessler