Patents by Inventor Peter Mues

Peter Mues 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).

  • Thermoplastic block copolymers based on cyclic carbonates or esters
    Patent number: 5071921
    Abstract: Thermoplastic block copolymers of the idealized formulae (I)A--B--A; B--A--B or (A--B).sub.x (I)in whichx=1 to 40,and whereinA is the radical of a homopolymer of styrene, vinylnaphthalene, butadiene and isoprene, andB the radical of a homopolymer of a cyclic polycarbonate or lactone,the average molecular weight of blocks A and B being greater than 800, and a process for the preparation of these blocks copolymers in several reaction stages.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: December 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Eichenauer, Christian Lindner, Edgar Leitz, Karl-Heinz Ott, Hans-Josef Buysch, Peter Mues, Hartwig Hocker, Helmut Keul
  • Process for the preparation of P-substituted O-benzylphenols
    Patent number: 5072017
    Abstract: Para-substituted o-benzylphenols are prepared by reacting p-substituted phenols with benzylating agents in the presence of zeolites of the faujasite type at elevated temperature.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: December 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Gunter Klug, Peter Mues, Lothar Puppe
  • Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters
    Patent number: 4851550
    Abstract: The process according to the invention is particularly suitable for the preparation of aliphatic spiroorthocarbonates. For the preparation of aliphatic spiroorthocarbonates of the formula ##STR1## in which dichloromethane derivatives of the formula(R.sup.5 O).sub.2 CCl.sub.2 (II)are reacted with aliphatic diols of the formulaHO--B--OH (V)in the presence of stoichiometric amounts of H-containing bases, which contain the nitrogen as part of an aromatic system.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: July 25, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Mues, Hans-Josef Buysch
  • Process for the preparation of linear aliphatic polycarbonate from cyclic aliphatic carbonate
    Patent number: 4754017
    Abstract: Process for the polymerization of cyclic aliphatic carbonates in the presence of aprotic organic solvents with exclusion of atmospheric oxygen and atmospheric moisture, wherein organometallic compounds of elements of main group 1 of the periodic table are used as initiators, the monomer/solvent ratio is in the range from 1 part by weight to 50 parts by weight of monomer per 100 parts by weight of solvent and the polymerization temperature is between -100.degree. C. and +20.degree. C.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: June 28, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Leitz, Christian Lindner, Herbert Eichenauer, Karl-Heinz Ott, Hans-Josef Buysch, Peter Mues, Hartwig Hocker, Helmut Keul
  • Process for the preparation of thermosetting aliphatic polycarbonate with quaternary salt catalyst
    Patent number: 4707539
    Abstract: The invention relates to a new process for the preparation of thermosetting aliphatic polycarbonates from cyclic aliphatic carbonic acid ester by ring-opening polymerization.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: November 17, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Mues, Dimitrios Kerimis, Hanns P. Muller, Hans-Josef Buysch
  • Process for the production of duromeric aliphatic polycarbonates
    Patent number: 4694065
    Abstract: The invention relates to a novel process for the production of duromeric aliphatic polycarbonates from cyclic aliphatic carbonic esters by ring-opening polymerization.
    Type: Grant
    Filed: January 2, 1986
    Date of Patent: September 15, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Mues, Hans-Josef Buysch, Bert Brassat, Heinrich Heine
  • Dialkyl 2-alkylcarbonatoethanephosphonates
    Patent number: 4608207
    Abstract: Dialkyl vinylphosphonates are prepared by heating the new dialkyl 2-alkylcarbonatoethanephosphonates in the presence of catalysts. Also disclosed is a process for making the new dialkyl 2-alkylcarbonatoethanephosphonate by transesterification of a dialkyl 2-carboxyethanephosphonate with a dialkyl carbonate in the presence of a transesterification catalyst.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: August 26, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Peter Mues
  • N-phenyl-N'-vinylethyleneureas
    Patent number: 4587347
    Abstract: Substituted ethyleneureas are prepared by reacting appropriate .beta.-hydroxyethylureas with alkyl carbonates in the presence of catalysts at an elevated temperature.Substituted ethyleneureas are used, inter alia, as polymerization and copolymerization components for the preparation of plastics, coatings, surface finishes and ion exchangers.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: May 6, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Reinhold Klipper, Peter M. Lange, Peter Mues
  • Chlorocarbonic esters and polycyclic carbonic esters obtainable therefrom
    Patent number: 4568755
    Abstract: New chlorocarbonic esters of the formula ##STR1## new polycyclic carbonic esters of the formula ##STR2## and new copolymers obtainable by copolymerization of the new polycyclic carbonic esters of the formula (III) with monocyclic carbonates.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: February 4, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Mues, Bert Brassat, Hans-Josef Buysch