Patents by Inventor Ulrich VON Gizycki
Ulrich VON Gizycki 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: 4830714Abstract: An elegant method for the production of printed circuit boards possessing good electrical and mechanical properties comprises activating baseplates with a solution of complex compounds of elements of sub-group I or VIII of the periodic table, then applying a resist layer, exposing this partially according to a resist pattern, dissolving away the covered parts of the resist layer with a solvent, and metallizing the bared parts in a wet-chemical metallization bath in the absence of a current.Type: GrantFiled: April 22, 1987Date of Patent: May 16, 1989Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki, Rudolf Merten
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Patent number: 4804475Abstract: Polymer membranes metallized by wet chemistry are highly suitable, for example, for the separation of inert, reactive and fermentation gases.The metallization is carried out after activation with noble-metal complex compounds which have at least two functional groups.Preferred metal coatings are those of Cu, Co and Ni.Type: GrantFiled: May 7, 1987Date of Patent: February 14, 1989Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Karlheinz Hildenbrand, Ulrich von Gizycki, Rudolf Merten, Hermann Perrey, Gerhard D. Wolf
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Patent number: 4753821Abstract: A process suitable for the fully additive technique for the electroless partial metallization of substrate surfaces consists in treating the surface with photosensitive silver(I) compounds (e.g. carboxylic acid salts), partially exposing the silver(I) compounds left behind on the surfaces, if necessary intensifying the exposure effect and/or exchanging the silver produced during the exposure for nobler metals, and detaching the unexposed silver(I) compounds.Type: GrantFiled: October 2, 1987Date of Patent: June 28, 1988Assignee: Bayer AktiengesellschaftInventors: Henning Giesecke, Gerhard D. Wolf, Ulrich von Gizycki, Reinhart Matejek
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Patent number: 4728560Abstract: Electrical printed circuit boards are obtained in an elegant manner without the usual etching methods and without using bonding agent layers in a wet chemical manner on the basis of the principles of the semi or fully additive technique by using precious metal compounds for activation and base material of a type which has (a) a specific total pore volume per unit area of 0.015-0.045 dm.sup.3 /m.sup.2, (b) a mean pore diameter of 0.05-5.0 .mu.m and (c) a mean pore depth of 0.05-4.0 .mu.m.Type: GrantFiled: March 4, 1986Date of Patent: March 1, 1988Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki, Rudolf Merten
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Patent number: 4676234Abstract: The invention relates to a self-hardening material for supporting bandages which is packaged with exclusion of moisture and consists of an air-permeable, flexible carrier material which is impregnated and/or coated with a compound possessing at least 2 NCO groups. The self-hardening material has a greatly improved shelf life by being stored substantially oxygen-free in an air-tight pack.Type: GrantFiled: February 18, 1986Date of Patent: June 30, 1987Assignee: Bayer AktiengesellschaftInventors: Christian Wegner, Gottfried Schneider, Hans-Uwe Lanzke, Wolfram Mayer, Kuno Wagner, Wulf von Bonin, Ulrich von Gizycki, Dietmar Schaepel
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Patent number: 4661099Abstract: The present disclosure is concerned with self-adhesive sheet-like structures made by adhering an adhesive polyurethane gel material to a supporting substrate and the utilization of such structures in the medical field to adhere materials such as plasters, wound dressings and appliances to the human body, and in other fields to connect articles, such as the parts of a fractured or cracked object, to one another by means of an adhesive bond. The gel is formed by immobilizing a high molecular weight polymeric polyol in the matrix of a covalently crosslinked polyurethane which is prepared by reacting polyisocyanates having an isocyanate functionality of at least 2 with higher molecular weight polyhydroxyl compounds having a hydroxyl functionality of at least 3. These reactants are selected in accordance with the following formula which relates the isocyanate number, K, (isocyanate to hydroxyl equivalents ratio times 100) to the average functionalities of the polyisocyanates (F.sub.Type: GrantFiled: November 8, 1984Date of Patent: April 28, 1987Assignee: Bayer AktiengesellschaftInventors: Miklos von Bittera, Dietmar Schapel, Ulrich von Gizycki, Roland Rupp
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Patent number: 4659797Abstract: Polyurethane-based matrix materials are made by reacting a phenol which is at least bifunctional with an aromatic isocyanate which is at least difunctional in the presence of 1-40 wt. % soft segment former. The soft segment former is a compound containing long chain aliphatic groups having at least six carbon atoms in the aliphatic group, an isocyanate-reactive group and a molecular weight of from 800 to 10,000. From 90 to 130 equivalent percent of isocyanate groups (based on the total of isocyanate-reactive groups present in the phenol and soft segment former) are employed. These matrix materials are particularly useful in the production of composite materials and as adhesives.Type: GrantFiled: April 2, 1986Date of Patent: April 21, 1987Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Johannes Blahak, Ulrich von Gizycki, Lothar Preis
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Patent number: 4639502Abstract: The present invention relates to substantially colorless organic polyisocyanates, optionally in solution in an inert solvent, having a Hazen color index according to DIN 53 409 of at most 60 and a yellow value according to DIN 6167 of at most 3.0, characterized by a content of about 0.01 to 1 ppm (by weight), based on polyisocyanate, of an organic dye soluble in the polyisocyanate and having an absorption maximum of about 560 to 590 nm or a mixture of such dyes.The present invention also relates to two processes for preparing the substantially colorless organic polyisocyanates. In the first process, the organic dye is added to the prepared polyisocyanate while in the second process the organic dye is added to the starting materials used to prepare the polyisocyanate. Finally, the present invention is directed to the production of polyisocyanate polyaddition products from the substantially colorless organic polyisocyanates and isocyanate-reactive compounds.Type: GrantFiled: May 3, 1985Date of Patent: January 27, 1987Assignee: Bayer AktiengesellschaftInventors: Hanns P. Muller, Werner Clarenz, Ulrich von Gizycki, Kuno Wagner
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Patent number: 4636441Abstract: For the electroless metallization of base carriers for the manufacture of printed circuit boards, those carrier materials are outstandingly suitable on which complex compounds are built up in which the ligands and the ions to be complexed have entered a "host-guest interrelationship". Examples of such activator compounds are complexes of crown ethers, cryptands and the like. The resulting printed circuit boards are distinguished by the high adhesive strengths of the metals deposited on them.Type: GrantFiled: October 7, 1985Date of Patent: January 13, 1987Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki, Rudolf Merten
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Patent number: 4570622Abstract: The present invention relates to a constructional material which is stable in storage and which is kept under moisture-free conditions and which comprises a substrate and a reactive one-component system which hardens on exposure to air by reaction with moisture. The present invention also relates to a process for the production of a constructional material which is stable in storage.Type: GrantFiled: October 24, 1983Date of Patent: February 18, 1986Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Ulrich von Gizycki, Kuno Wagner, Dietmar Schapel
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Patent number: 4568571Abstract: A mild activation process for the adhesion-activation of polyamide mouldings for electroless metallization comprises treating the substrates, successively or simultaneously, with the solution of a mixture of CaCl.sub.2, LiCl and/or MgCl.sub.2 with AlCl.sub.3, FeCl.sub.3 and/or TiCl.sub.4 in a lower alcohol and with an activator solution based on inorganic complex compounds of the formulaM.sup.n+ [E.sup.m+ Hal.sub.z.sup.- ]in whichM represents two hydrogen or alkali metal atoms or one alkaline earth metal atom,Hal represents a halogen, preferably Cl, andE represents a noble metal atom of the 1st or 8th subgroup of the periodic table, having the valency m and the coordination number z (z-m=n),or with customary colloidal or ionic systems of these noble metals.Type: GrantFiled: October 26, 1984Date of Patent: February 4, 1986Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Gerhard D. Wolf, Rudolf Merten, Ulrich von Gizycki
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Patent number: 4554183Abstract: A mild activation process for the electroless metallization of polyamide mouldings comprises treating the mouldings with a solution of a mixture of halides of elements of the 1st and 2nd main group of the Periodic Table (for example CaCl.sub.2) with salts of weak inorganic bases and strong inorganic acids (for example AlCl.sub.3) in a swelling agent or solvent for polyamides and with a metal-organic complex compound of elements of the 1st or 8th sub-group of the Periodic Table. The sequence is here immaterial.Type: GrantFiled: October 29, 1984Date of Patent: November 19, 1985Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Gerhard D. Wolf, Rudolf Merten, Ulrich von Gizycki
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Patent number: 4543247Abstract: The invention relates to ectoparasiticide-containing polyurethane collars for animals containing spreading agents and ectoparasiticides as well as methods for their manufacture.Type: GrantFiled: January 6, 1983Date of Patent: September 24, 1985Assignee: Bayer AktiengesellschaftInventors: Miklos von Bittera, Manfred Federmann, Ulrich von Gizycki, Dietmar Schapel, Wilhelm Stendel, Herbert Voege, Hubert Dorn
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Patent number: 4456642Abstract: A gel of specific composition is encased in a flexible elastic casing to form a gel pad. The gel used is made up of (a) 15-62 weight % (based on (a)+(b)) of a high molecular weight covalently cross-linked polyurethane matrix and (b) 85-38 weight % (based on (a)+(b)) of a liquid dispersing agent. The liquid dispersing agent is a polyhydroxy compound having an average molecular weight between 1000 and 12,000, and an OH number between 20 and 112. This dispersing agent contains essentially no hydroxy compounds with a molecular weight below 800. The gel may also include fillers and/or additives known to those in the art. Suitable casing materials include polyurethane films, woven fabrics, knitted fabrics, and mesh fabrics. These gel pads are particularly useful as mattress, mattress inserts, wheelchair cushions, car seats, car seat supports and as pad elements for upholstered furniture.Type: GrantFiled: January 22, 1982Date of Patent: June 26, 1984Assignee: Bayer AktiengesellschaftInventors: Hans-Heribert Burgdorfer, Dietmar Schapel, Gottfried Schneider, Wulf von Bonin, Ulrich von Gizycki
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Patent number: 4411262Abstract: The present invention relates to a constructional material which is stable in storage and which is kept under moisture-free conditions and which comprises a substrate and a reactive one-component system which hardens on exposure to air by reaction with moisture. The present invention also relates to a process for the production of a constructional material which is stable in storage.Type: GrantFiled: December 31, 1981Date of Patent: October 25, 1983Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Ulrich von Gizycki, Kuno Wagner, Dietmar Schapel
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Patent number: 4169866Abstract: Thermoplastically processible polymer systems containing a polycarbodiimide as a polymer component.Type: GrantFiled: April 4, 1977Date of Patent: October 2, 1979Assignee: Bayer AktiengesellschaftInventors: Wulf VON Bonin, Wolfgang Oberkirch, Ulrich VON Gizycki
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Patent number: 4148844Abstract: Heat-curable casting resins comprising a mixture of a polycarbodiimide and a copolymerizable vinyl monomer.Type: GrantFiled: May 24, 1977Date of Patent: April 10, 1979Assignee: Bayer AktiengesellschaftInventors: Wulf VON Bonin, Lothar Preis, Ulrich VON Gizycki
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Patent number: 4129697Abstract: The invention relates to thermoformable polyisocyanurate foams which are produced by reacting a polymethylene polyphenyl polyisocyanate having a specified diisocyanate content with polyethers which have an OH number between 28 and 112 and dihydric alcohols which have a molecular weight between 62 and 200 in the presence of isocyanate trimerization catalysts, blowing agents and other foaming agents.Type: GrantFiled: February 4, 1977Date of Patent: December 12, 1978Assignee: Bayer AktiengesellschaftInventors: Dietmar Schapel, Ulrich VON Gizycki
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Patent number: 4042558Abstract: This invention is concerned with polymerizable compositions, a process for producing and polymerizing such compositions and the resultant polymerization product. Compositions comprising the reaction product of polycarbodiimides and .alpha.,.beta.-unsaturated carboxylic acids are dissolved in vinyl monomers and subject to free-radical polymerization. The polymerization product may contain up to about 300 weight percent of conventional fillers.Type: GrantFiled: July 26, 1976Date of Patent: August 16, 1977Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Lothar Preis, Ulrich VON Gizycki, Manfred Dahm
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Patent number: 4029593Abstract: Mixtures of polyols which normally separate into phases are stabilizeed against such separation by including in the mixture a stabilizing amount, preferably from about 0.05% to about 5% based on the weight of polyols in the mixture of an inert surface-active inorganic material having a specific surface of about 10 to about 800 m.sup.2 /g.Type: GrantFiled: August 12, 1974Date of Patent: June 14, 1977Assignee: Bayer AktiengesellschaftInventors: Dietmar Schapel, Ulrich VON Gizycki