Patents by Inventor Klaus Noll

Klaus Noll 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: 4728542
    Abstract: The present invention is directed to the preparation of optionally pigmented spreading paste based on multiphase mixtures of ionically-modified polyurethanes and/or polyurethane ureas which are prepared from special synthesis components based on silicone resins, aromatic hydroxypolyethers, aromatichydroxy polyesters, and perfluorocarbon resins, the multiphase mixtures additionally containing water and organic solvents for the polyurethanes and/or polyurethane ureas. The present invention is also directed to the preparation of these optionally pigmented spreading pastes and to their use for the production of coatings permeable to water vapor on fabric or leather substrates by the direct or transfer method using the technique of evaporation.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: March 1, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Nachtkamp, Wilhelm Thoma, Josef Pedain, Walter Schroer, Rolf Langel, Klaus Noll
  • Patent number: 4716169
    Abstract: The invention relates to new imidazo derivatives of the formula ##STR1## wherein "A-D and R.sup.1 -R.sup.3 are as defined in the specification". The new compounds have valuable pharmacological properties, particularly antithrombotic and cardiovascular properties such as a cardiotonic activity and/or an effect on blood pressure, and can be prepared using methods known per se.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: December 29, 1987
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Joachim Heider, Norbert Hauel, Volkhard Austel, Klaus Noll, Andreas Bomhard, Jacques van Meel, Willi Diederen
  • Patent number: 4652466
    Abstract: This invention relates to coating compositions based on aqueous polyurethane dispersions, as well as the use of the coating compositions for the production of top coats or finishes on flexible substrates, particularly on PVC. The present coating agents contain an aqueous polyurethane dispersion having certain physico-chemical properties and the following composition of the solid substance:(A) from about 30 to 60%, by weight, of a hexane diol-1,6-polyester diol having a molecular weight of from about 500 to 6000;(B) up to about 8%, by weight, of a relatively low molecular weight triol having a molecular weight of from about 91 to 399;(C) from about 3 to 30%, by weight, of one or more mono- or poly-functional compounds bearing cationic and/or anionic groups and/or containing non-ionic polyoxyethylene segments;(D) from about 20 to 50%, by weight, of a diisocyanate corresponding to the following general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: March 24, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Thoma, Klaus Noll, Klaus Nachtkamp, Josef Pedain, Walter Schroer
  • Patent number: 4604389
    Abstract: This invention relates to benzazepine derivatives of formula I ##STR1## wherein A is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--;R.sub.1 is hydrogen, chlorine, bromine, C.sub.1 -C.sub.3 alkyl, amino, C.sub.1 -C.sub.3 alkylamino, C.sub.1 -C.sub.3 dialkylamino, acylamino, hydroxy, C.sub.1 -C.sub.3 alkoxy or phenyl C.sub.1 -C.sub.3 alkoxy;R.sub.2 is hydrogen, chlorine, bromine, hydroxy, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy or phenyl C.sub.1 -C.sub.3 alkoxy or, together with R.sub.1, can be C.sub.1 -C.sub.3 alkylenedioxy;R.sub.3 is hydrogen, chlorine, bromine or C.sub.1 -C.sub.3 alkoxy;R.sub.4 is hydrogen, benzyl, C.sub.1 -C.sub.3 alkyl or C.sub.3 -C.sub.5 alkenyl;R.sub.5 is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy;R.sub.6 is hydrogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy or, together with R.sub.5, can be a C.sub.1 -C.sub.2 alkylenedioxy;X is an imino, optionally substituted by a benzyl or C.sub.1 -C.sub.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: August 5, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Manfred Reiffen, Klaus Noll, Joachim Heider, Volkhard Austel, Norbert Hauel, Walter Kobinger, Christian Lillie
  • Patent number: 4594385
    Abstract: This invention relates to coating compositions based on aqueous polyurethane dispersions, as well as the use of the coating compositions for the production of top coats or finishes on flexible substrates, particularly on PVC. The present coating agents contain an aqueous polyurethane dispersion having certain physico-chemical properties and the following composition of the solid substance:(A) from about 30 to 60%, by weight, of a hexane diol-1,6-polyester diol having a molecular weight of from about 500 to 6000;(B) up to about 8%, by weight, of a relatively low molecular weight triol having a molecular weight of from about 91 to 399;(C) from about 3 to 30%, by weight, of one or more mono- or poly-functional compounds bearing cationic and/or anionic groups and/or containing non-ionic polyoxyethylene segments;(D) from about 20 to 50%, by weight, of a diisocyanate corresponding to the following general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.
    Type: Grant
    Filed: August 24, 1982
    Date of Patent: June 10, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Thoma, Klaus Noll, Klaus Nachtkamp, Josef Pedain, Walter Schroer
  • Patent number: 4576989
    Abstract: The present invention is directed to aqueous solutions or dispersions which may contain blocked polyisocyanates of cationic oligourethanes which are crosslinkable at elevated temperature and contain(a) about 0.1 to 3% by weight of ternary or quaternary ammonium ions introduced through Michael adducts of secondary amines having at least one hydroxyl group and specific acrylic acid derivatives,(b) up to about 2.8% by weight of tert. amino nitrogen atoms incorporated through Michael adducts of secondary amines having at least one hydroxyl group and specific acrylic acid derivatives and(c) about 0 to 15% by weight of blocked isocyanate groups, provided that the ternary ammonium groups of (a), the tert. nitrogen atoms of (b) and the blocked isocyanate groups are present in an equivalent ratio of (a+b):blocked isocyanate groups of about 1:1 to 1:1.5.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: March 18, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Terry Potter, Josef Pedain, Jurgen Schwindt
  • Patent number: 4559397
    Abstract: The present invention is directed to oligourethanes which are stable in storage at room temperature and either self cross-linking at elevated temperatures or capable of being cross-linked with organic polyisocyanates which may have at least partially masked isocyanate groups,(a) containing about 0.1 to 3% by weight of tertiary amine nitrogen atoms in the form of structural units corresponding to the following formula attached through urethane groups either in end positions and/or within the molecule: ##STR1## wherein R.sup.1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms,R.sup.2 represents --C.tbd.N, --CO--NH.sub.2 --, --CO--NHR.sup.3, --CO--NR.sub.2.sup.3 or --COOR.sup.3 andR.sup.3 represents a monovalent hydrocarbon group optionally carrying inert substituents,(b) up to about 15% by weight of isocyanate groups and(c) up to about 15% by weight of masked isocyanate groups.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: December 17, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Josef Pedain, Terry Potter
  • Patent number: 4490369
    Abstract: Compounds of the formula ##STR1## wherein A is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --NH--CO--, --CH.sub.2 --CO-- or ##STR2## where R.sub.7 is alkyl of 1 to 3 carbon atoms, andB is methylene, carbonyl or thiocarbonyl, orA is --CO--CO--, --N.dbd.CH--, ##STR3## where R.sub.8 is hydrogen or alkyl of 1 to 3 carbon atoms substituted by a phenyl, methoxyphenyl or dimethoxyphenyl, andB is methylene;E is n-alkylene of 2 to 4 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, 2-hydroxy-n-propylene, 2-hydroxy-n-butylene or 3-hydroxy-n-butylene;G is n-alkylene of 1 to 5 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, wherein one methylene group of an n-alkylene of 2 to 5 carbon atoms can be replaced by a carbonyl group, with the proviso that B represents a methylene or carbonyl group, or methylene-n-hydroxy-alkylene of 1 to 4 carbon atoms, where the methylene group is attached to the nitrogen atom; andR.sub.1 to R.sub.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: December 25, 1984
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Manfred Reiffen, Joachim Heider, Norbert Hauel, Volkhard Austel, Wolfgang Eberlein, Walter Kobinger, Christian Lillie, Klaus Noll, Helmut Pieper, Gerd Kruger, Johannes Keck
  • Patent number: 4485226
    Abstract: A process for the production of compounds which crosslink under the effect of high-energy radiation containing isocyanurate groups, olefinic double bonds, and, optionally, blocked or free isocyanate groups by reacting(i) isocyanurate-group-containing polyisocyanates which are based on aliphatic and/or cycloaliphatic diisocyanates with(ii) compounds containing at least one isocyanate-reactive group and at least one olefinic double bond, such as hydroxyl-containing esters of acrylic acid and methacrylic acid with at least dihydric aliphatic alcohols having a molecular weight of from 62 to about 300,to form urethanes, the quantitative ratios between the reactants being selected so that for every free isocyanate group in component (i), the reaction mixture contains from about 0.9 to 1.5 hydroxyl groups of component (ii).
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: November 27, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Josef Pedain, Manfred Bock
  • Patent number: 4452834
    Abstract: This invention relates to a new process for the preparation of storage stable aqueous dispersions or solutions of cross-linkable polyurethane polyureas containing heat activated cross-linking agents, in which mixtures of hydrophilically modified prepolymers containing isocyanate groups, hydrophobic polyisocyanates which contain blocked isocyanate groups and are neither soluble nor dispersible in water, and compounds containing at the most one free aminic or hydrazinic primary or secondary amino group and at least one blocked group which under the influence of water forms a free aminic or hydrazinic primary or secondary amino group and a total of at least two such amino groups are prepared in the absence of water and then mixed with water, and it also relates to the aqueous dispersions or solutions obtained by this process and to their use for the production of coatings on heat-resistant substrates.
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: June 5, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Nachtkamp, Franz Weider, Klaus Noll, Josef Pedain, Klaus Hoehne
  • Patent number: 4362738
    Abstract: Compounds of the formula ##STR1## wherein each X, which may be identical or different from the other X, is oxygen or imino;R.sub.1 is hydrogen, fluorine, chlorine or bromine;R.sub.2 and R.sub.3, which may be identical or different from each other, are each hydrogen; unsubstituted or mono-substituted alkyl of 1 to 6 carbon atoms, where the substituent is phenyl or dialkylamino with 1 to 3 carbon atoms in each alkyl moiety; pyridyl; or cycloalkyl of 5 to 7 carbon atoms;R.sub.2 and R.sub.
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: December 7, 1982
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Johannes Keck, Gerd Kruger, Helmut Pieper, Klaus Noll, Gunther Engelhardt, Norbert Promberger, Rainer Zimmermann
  • Patent number: 4303774
    Abstract: The present invention relates to water soluble or water dispersible polyurethane elastomers which have a substantially linear molecular structure and which contain both ethylene oxide units incorporated in polyether chains and sulphonate groups, characterized in that they contain from about 0.5 to 20% by weight of ethylene oxide units of the formula --CH.sub.2 --CH.sub.2 --O-- arranged within polyether chains and from about 0.1 to 25 milliequivalents, per 100 g of solid, of sulphonate groups of the formula --SO.sub.3.sup..crclbar. in the form of structural units of the formula--O--X--Rarranged in end positions and/or side positions, whereinX represents a polyalkylene oxide chain having from 5 to 90 chain members, at least about 40% of which chain members constitute ethylene oxide units andR represents a monovalent hydrocarbon group having from 3 to 18 carbon atoms containing at least one sulphonate group --SO.sub.3.sup..crclbar. andto a process for their production.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 1, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Nachtkamp, Josef Pedain, Klaus Noll
  • Patent number: 4289827
    Abstract: The present invention relates to moisture-hardening one-component lacquers having improved shelf life and thermal stability. These lacquers are characterized by high gloss and high flexural strength and are based on reaction products containing free isocyanate groups of relatively high molecular weight polyols having an average functionality of from 2 to 3, polyisocyanates and, optionally, low molecular weight polyhydroxyl compounds which are characterized in that the relatively high molecular weight polyol is a mixture of:(a) a hydroxyl polyester having an average molecular weight of from about 500 to 6000,(b) a hydroxyl polyether corresponding to the following general formula: ##STR1## wherein R.sub.1 represents hydrogen, a C.sub.1 -C.sub.4 alkyl radical or a phenyl radical,X represents one of the difunctional radicals --S--, --O--, --SO.sub.2 --, --CO-- or --C(R.sub.2 R.sub.3)-- whereR.sub.2 and R.sub.3, which may be the same or different, represent hydrogen or a C.sub.1 -C.sub.
    Type: Grant
    Filed: February 22, 1980
    Date of Patent: September 15, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Wolfgang Speicher, Josef Pedain, Rosemarie Schmid
  • Patent number: 4244967
    Abstract: The method of using compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, fluorine, chlorine, bromine, iodine or cyano,R.sub.2 is fluorine, cyano, trifluoromethyl, nitro or alkyl of 1 to 4 carbon atoms,R.sub.3 is cycloalkyl or alkyl, each of 3 to 5 carbon atoms, andR.sub.4 is hydrogen or --CO--R.sub.5, whereR.sub.5 is alkoxy of 1 to 5 carbon atoms, alkenyloxy of 2 to 5 carbon atoms, aryloxy of 6 to 10 carbon atoms, aralkoxy of 7 to 11 carbon atoms, or amino which may be mono- or di-substituted by alkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, aryl of 6 to 10 carbon atoms and/or aralkyl of 7 to 11 carbon atoms,and non-toxic, pharmacologically acceptable acid addition salts thereof as antirheumatics and antiphlogistics.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: January 13, 1981
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Engelhardt, Johannes Keck, Gerd Kruger, Klaus Noll, Helmut Pieper, Rainer Zimmermann
  • Patent number: 4238378
    Abstract: The instant invention is directed to novel polyurethane cationic electrolyte-stable dispersions characterized by lateral or terminal polyalkylene oxide polyether chains containing from 2 to 10%, by weight, of ethylene oxide units, based on the total weight of the polyurethane; a content of ##STR1## groups of from 16 to 100 milliequivalents per 100 g of polyurethane; an average particle size of from 50 to 300 m.mu.; and a solids content of from 10 to 45%.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: December 9, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Markusch, Klaus Noll, Dieter Dieterich
  • Patent number: 4237264
    Abstract: The instant invention is directed to novel polyurethanes which have a substantially linear molecular structure and which are dispersible in water, and the method of producing such polyurethanes. The polyurethanes of the present invention are characterized by an ethylene oxide unit content of from 0.5 to 10%, by weight, and by an ionic content of from 0.1 to 15 milliequivalents per 100 grams of polyurethane.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: December 2, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Klaus Nachtkamp, Josef Pedain
  • Patent number: 4214001
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen or cyano;R.sub.2 is fluorine, cyano, trifluoromethyl, nitro or alkyl of 1 to 4 carbon atoms;R.sub.3 is alkoxy of 1 to 5 carbon atoms, alkenyloxy of 2 to 5 carbon atoms, aryloxy of 6 to 10 carbon atoms, aralkoxy of 7 to 11 carbon atoms, or --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are each hydrogen, alkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, aryl of 6 to 10 carbon atoms or aralkyl of 7 to 11 carbon atoms; andR.sub.4 is cycloalkyl of 3 to 5 carbon atoms or alkyl of 3 to 5 carbon atoms;and non-toxic, pharmacologically acceptable acid addition salt thereof. The compounds as well as the salts are useful as analgesics, uterospasmolytics and antiasthmatics.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: July 22, 1980
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Engelhardt, Johannes Keck, Kruger, Klaus Noll, Helmut Pieper
  • Patent number: 4192937
    Abstract: The present invention relates to a process for the preparation of substantially linear isocyanate polyaddition products having side-chain hydroxyl groups by the reaction of reactive systems which contain free isocyanate groups and oxazolidine groups with water, characterized in that(a) substantially linear prepolymers which contain both isocyanate groups and oxazolidine groups in end positions or(b) a mixture containing substantially linear isocyanate prepolymers and bis-oxazolidinesare chain lengthened by mixing with water, using a quantity of water calculated to provide at least about 1 mol of water per mol of oxazolidine groups present in the reaction mixture. The present invention also relates in particular to an embodiment of this process in which the prepolymers used contain chemically built-in hydrophilic groups and/or external emulsifiers, and water is used in such excess that the reaction leads directly to aqueous dispersions or solutions of the polyaddition products.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: March 11, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Klaus Nachtkamp, Josef Pedain
  • Patent number: 4190566
    Abstract: The present invention relates to non-ionic, water-dispersible polyurethanes having a substantially linear molecular structure and lateral polyalkylene oxide polyether chains containing ethylene oxide units characterized in that from about 40 to 95% of the alkylene oxide units of the lateral polyalkylene oxide polyether chains consist of ethylene oxide units and from about 5 to 60% consist of propylene oxide, butylene oxide or styrene oxide, to aqueous dispersions of these non-ionic, water-dispersible polyurethanes and to processes for producing these non-ionic, water-dispersible polyurethanes.
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: February 26, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Josef Pedain
  • Patent number: 4092286
    Abstract: The present invention relates to water-dispersible polyurethane elastomers having a substantially linear molecular structure, characterized by(a) lateral polyalkylene oxide polyether chains having a content of ethylene oxide units of from about 0.5 to 10% by weight, based on the polyurethane as a whole and(b) a content of .dbd.N.sym..dbd., --COO.crclbar. or --SO.sub.3.crclbar. groups of from about 0.1 to 15 milliequivalents per 100 g,To aqueous dispersions of these water-dispersible polyurethane elastomers and to processes for producing these water-dispersible polyurethane elastomers.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: May 30, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Noll, Jurgen Grammel, Walter Meckel