Patents by Inventor Gert Jabs
Gert Jabs 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: 7119220Abstract: Process for preparing dimethyl propanephosphonate, characterized in that dimethyl phosphite is reacted with propene in the presence of a free-radical former at a reaction temperature of 60 to 95° C., the half life of the free-radical former being 0.1 to 20 min at the reaction temperature.Type: GrantFiled: February 21, 2003Date of Patent: October 10, 2006Assignee: Bayer AktiengesellschaftInventors: Jan-Gerd Hansel, Gert Jabs, Johannes Kaulen, Hans-Georg Adams, Hans-Günter Fröhlen
-
Patent number: 7087670Abstract: The invention relates to mixtures containing a) a polymer which may be produced from ethylene, vinyl acetate and optionally further monomers having a vinyl acetate content in the range of 40 to 85 wt. %, b) at least one expandable graphite which may be acidic or neutralised, c) at least one mineral filler, d) optionally further additives, a process for producing them, their use for the production of shaped articles of any type, and flame-retardant intumescent mixtures containing a mixture according to the invention and, furthermore, shaped articles containing a mixture according to the invention.Type: GrantFiled: May 7, 2001Date of Patent: August 8, 2006Assignee: Bayer AktiengesellschaftInventors: Martin Hoch, Gert Jabs, Otto Mauerer
-
Publication number: 20030162988Abstract: Process for preparing dimethyl propanephosphonate, characterized in that dimethyl phosphite is reacted with propene in the presence of a free-radical former at a reaction temperature of 60 to 95° C., the half life of the free-radical former being 0.1 to 20 min at the reaction temperature.Type: ApplicationFiled: February 21, 2003Publication date: August 28, 2003Inventors: Jan-Gerd Hansel, Gert Jabs, Johannes Kaulen, Hans-Georg Adams, Hans-Gunter Frohlen
-
Publication number: 20030125447Abstract: The invention relates to mixtures containingType: ApplicationFiled: November 15, 2002Publication date: July 3, 2003Inventors: Martin Hoch, Gert Jabs, Otto Mauerer
-
Patent number: 5693260Abstract: Film-forming, temperature-resistant bonding and coating agents-low in flue gas which are composed of aqueous sols of silicic acid and of amine salts of acid metal phosphates, optionally mixed with amine salts of boric acid, and the in use.Type: GrantFiled: January 13, 1995Date of Patent: December 2, 1997Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Gert Jabs
-
Patent number: 5639800Abstract: In the production of a flame resistant, halogen-free polyurethane/polyurea from a polyisocyanate and polyol, wherein to the mixture of polyisocyanate and polyol there is added an amine adduct of an acidic metal salt of the formulaA.sub.1-3 B.sub.0-12 P.sub.3-9 N.sub.4-12 M.sub.0-9 xH.sub.2 O(I),in whichA denotes at least one hydroxide or oxide of a metal selected from the group consisting of aluminum, magnesium, calcium and zinc,B denotes o-boric acid,P denotes an acid containing phosphorus,N denotes at least one of an amine or ammonia,M denotes an alkali metal hydroxide andx denotes an integer from 0 to 90.The products are especially flame resistant foams.Type: GrantFiled: March 28, 1996Date of Patent: June 17, 1997Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Hanns-Peter Muller, Gert Jabs
-
Patent number: 5300140Abstract: Formulations which contain a water-dispersible polymer, a metallization catalyst, if appropriate fillers, if appropriate other constituents and water are outstandingly suitable for the pretreatment of various substrate surfaces for the purpose of subsequent metallization in a currentless metallization bath.Type: GrantFiled: February 27, 1992Date of Patent: April 5, 1994Assignee: Bayer AktiengesellschaftInventors: Gerhard-Dieter Wolf, Ulrich von Gizycki, Wolfgang Cohnen, Gunther Reichert, Gert Jabs
-
Patent number: 5178670Abstract: A color former for pressure- and heat-sensitive recording systems containinga) at least one 3,1-benzoxazine of the formula ##STR1## b) at least one fluoran of the formula ##STR2## c) at least one 3,1-benzoxazine of the formula ##STR3## and/or at least one lactone of the formula ##STR4## in which the substituents have the meanings given in the description, produces black colorations having good color intensity.Type: GrantFiled: March 25, 1991Date of Patent: January 12, 1993Assignee: Bayer AktiengesellschaftInventors: Gunther Klug, Horst Berneth, Gert Jabs
-
Patent number: 5094688Abstract: Color-forming agents of the present formula ##STR1## wherein X denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkylamino, dialkylamino, acylamino, aralkylamino or arylamino,R denotes alkyl, alkenyl or aralkyl,R.sub.1 denotes hydrogen, halogen or alkyl,R.sub.2 denotes alkoxy, aralkoxy, aryloxy or a radical of the formula ##STR2## Y.sub.1 and Y.sub.2 independently of one another denote alkyl, aryl, cycloalkyl or aralkyl or R.sub.2, with A in the o-position, forms a heterocyclic ring,a benzene ring can be fused onto the ring A, in the o-/m-position relative to R.sub.2, and the ring A and its fused-on rings and the cyclic and acyclic radicals can carry further non-ionic substitutents customary in dyestuffs chemistry,are used in thermoreactive papers and pressure-sensitive recording materials and for the preparation of highly concentrated solutions in organic solvents.Type: GrantFiled: August 12, 1988Date of Patent: March 10, 1992Assignee: Bayer AktiengesellschaftInventors: Udo Eckstein, Hubertus Psaar, Gert Jabs
-
Patent number: 5092925Abstract: The invention relates to mixtures of a) at least one 3,1-benzoxazine of the formula ##STR1## and b) at least one fluorane of the formula ##STR2## wherein the radicals of the abovementioned formulae have the meaning given in the description, and their use as color-forming agents for pressure- and heat-sensitive recording materials and to such recording materials.Type: GrantFiled: December 6, 1989Date of Patent: March 3, 1992Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Gunter Klug, Gert Jabs
-
Patent number: 5024987Abstract: Pressure-sensitive reactive recording material containinga) as the color-forming agent, a tetraindolylheptamethine ether or alcohol of the formulae I/1, I/2, I/3 or I/4 ##STR1## b) and, as the color developer, the salt of a polyvalent metal and an aromatic carboxylic acid having at least 10 carbon atoms, of the formula (II) ##STR2## wherein A, B, D and E denote ##STR3## and the other radicals have the meanings given in the description, produces light-stable copies which can also be read by machines (OCR).Type: GrantFiled: November 17, 1989Date of Patent: June 18, 1991Assignee: Bayer AktiengesellschaftInventors: Gunter Klug, Gert Jabs, Horst Berneth, Artur Botta
-
Patent number: 5017707Abstract: Tetraindolylheptamethine ethers and alcohols of the isomeric formulae ##STR1## and ##STR2## and dyestuffs of the formula ##STR3## in which A, B, D and E denote ##STR4## and D'.sup..sym. denotes ##STR5## and the remaining symbols have the meanings given in the description, are used in pressure- and heat-sensitive recording materials.Type: GrantFiled: October 24, 1988Date of Patent: May 21, 1991Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Hubert Psaar, Gert Jabs
-
Patent number: 4929710Abstract: Hydroxycarboxylic acid derivatives of the formula ##STR1## are particularly suitable for use as color developers in recording materials.Type: GrantFiled: October 7, 1987Date of Patent: May 29, 1990Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Gert Jabs, Adolf Richartz
-
Patent number: 4879368Abstract: Condensation products of benzyl chlorides and aromatic hydroxycarboxylic acids are suitable for use as color developers in pressure- or heat-sensitive recording materials.Type: GrantFiled: October 2, 1987Date of Patent: November 7, 1989Assignee: Bayer AktiengesellschaftInventors: Artur Botta, Gert Jabs
-
Patent number: 4874832Abstract: Improved microcapsules have a capsule wall which contains a polyurethane which can be obtained by reacting an isocyanate with a polyether polyol which contains amino groups.Type: GrantFiled: December 9, 1988Date of Patent: October 17, 1989Assignee: Bayer AktiengesellschaftInventors: Gert Jabs, Adolf Richartz
-
Patent number: 4847152Abstract: Improved microcapsules contain at least one wall which is the reaction product of at least one isocyanate-reactive group and an aromatic isocyanate which hasthe formula: ##STR1## in which n=8 to 20. The microcapsules are useful in carbonless copy paper.Type: GrantFiled: October 7, 1987Date of Patent: July 11, 1989Assignee: Bayer AktiengesellschaftInventors: Gert Jabs, Ulrich Nehen, Hans J. Scholl
-
Patent number: 4831141Abstract: The invention relates to chromogenic 3,1-benzoxazines of the formula ##STR1## wherein X.sup.1 denotes hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine or OY.sup.1,X.sup.2 denotes NY.sup.2 Y.sup.3,X.sup.3 denotes OY.sup.4 or NY.sup.5 Y.sup.6,R.sup.1 -R.sup.3 independently of one another denote hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -mono- or -dialkylamino, orR.sup.1 together with Y.sup.2,R.sup.2 or R.sup.3 together with Y.sup.4 or Y.sup.5, orR.sup.2 and R.sup.3 simultaneously with Y.sup.5 and Y.sup.6 denote a 2 to 4-membered bridge which can contain one oxygen atom or one nitrogen atom and can carry up to 4 methyl groups, and whereinR.sup.1 and R.sup.3 simultaneously represent hydrogen only if R.sup.2 with Y.sup.4 or Y.sup.5 forms one of the abovementioned bridges,R.sup.4 denotes hydrogen, methyl or chlorine,Y.sup.1 and Y.sup.4 independently of one another denote C.sub.1 -C.sub.4 -alkyl, cyclohexyl or benzyl and Y.sup.2, Y.sup.3, Y.sup.5 and Y.sup.Type: GrantFiled: June 1, 1987Date of Patent: May 16, 1989Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Gert Jabs
-
Patent number: 4786729Abstract: Benzimidazolo-quinazolines of the general formula ##STR1## in which Y denotes a radical of the formula ##STR2## Y.sub.1 denotes hydrogen or alkyl, X and X.sub.1, independently of one another, denote hydrogen, alkyl, cycloalkyl, aryl or aralkyl, orX and X.sub.1, together with the nitrogen atom connecting them, denote a 5- or 6-membered ring,X.sub.2 denotes hydrogen, halogen, alkyl, alkoxy or alkoxycarbonyl,X.sub.3 denotes hydrogen, alkyl or aryl,X.sub.4 denotes hydrogen, cyano, halogen, alkyl or alkoxy,Z denotes hydrogen, alkyl, cycloalkyl or aralkyl,D denotes an optionally hydrogenated 5- or 6-membered ring, andm and n, independently of one another, denote 0 or 1,in which a double bond is in the positions labelled with 1 and 2 when m=0 and a single bond is in these positions when m=1, andin which the rings A, B and D are the radicals X, X.sub.1, X.sub.2, X.sub.3, X.sub.Type: GrantFiled: April 3, 1987Date of Patent: November 22, 1988Assignee: Bayer AktiengesellschaftInventors: Holger Heidenreich, Gert Jabs
-
Patent number: 4761255Abstract: A continuous process for the production of microcapsules having polymeric walls and a solid or liquid core which comprises mixing a polyisocyanate with the material to be encapsulated, reacting the resulting mixture, a polyamine, and an aqueous phase containing a dispersion aid, the reaction being initiated in a high-turbulence mixing zone to form an emulsion, and subsequently transferring the reaction product to a multiple-stage cascade of vessels, the temperature being increased from stage to stage and being kept constant during each stage.Type: GrantFiled: April 24, 1987Date of Patent: August 2, 1988Assignee: Bayer AktiengesellschaftInventors: Manfred Dahm, Gert Jabs, Bernd Koglin, Hildegard Schnoring
-
Patent number: 4687853Abstract: Hetarylmethane leuco dyestuffs of the formula ##STR1## wherein R denotes halogen, alkyl, alkoxy, aryl or aryloxy,A denotes an aromatic-carbocyclic or -hetero-cyclic radical,B denotes hydrogen, halogen, alkyl, aryl, alkylcarbonyl, arylcarbonyl, amino, monoalkylamino, dialkylamino, arylamino, aralkylamino or acylamino,X denotes CH or N,Y denotes ##STR2## R.sub.6 denotes hydrogen or alkyl, m denotes 4-6 andn denotes O and 1-4 andwherein the cyclic and acyclic radicals in turn can be substituted by nonionic radicals, are used as color formers in pressure-copyable and thermoreactive recording materials.Type: GrantFiled: March 8, 1985Date of Patent: August 18, 1987Inventors: Hans-volker Runzheimer, Ulrich Nehen, Gert Jabs