Patents by Inventor Joachim Wank
Joachim Wank 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: 5733651Abstract: Laminates of a thickness of 0.2 mm to 20 mm consisting ofa film made of thermoplastic of a thickness of 0.02 mm to 0.8 mm,a colored layer, the softening temperature of which is above that of the film made of thermoplastic (1),optionally a polyurethane layer which is tack-free at room temperature anda layer of thermoplastic of a thickness of 0.1 mm to 19 mm which in turn consists of one or more layers of plastic.Type: GrantFiled: June 23, 1995Date of Patent: March 31, 1998Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Peter Bier, Bernd Post
-
Patent number: 5648414Abstract: High-temperature-resistant, flexible screen printing inks containing as binder a thermoplastic aromatic polycarbonate with a molecular weight M.sub.w (weight average) of at least 10,000 which contains bifunctional carbonate structural units corresponding to formula (I): ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent hydrogen, halogen, C.sub.1-8 alkyl, C.sub.5-6 cycloalkyl, C.sub.6-10 aralkyl,m is an integer of 4 to 7R.sup.3 and R.sup.4 may be individually selected for each X and, independently of one another, represent hydrogen or C.sub.1-6 alkyl andX represents carbonwith the proviso that, at least one atom X, R.sup.3 and R.sup.4 are both alkyl, and halogen-free solvents or solvent mixtures.Type: GrantFiled: June 8, 1995Date of Patent: July 15, 1997Assignee: Bayer AktiengesellschaftInventors: Peter Bier, Joachim Wank, Peter Capellen
-
Patent number: 5236657Abstract: The production of multi-layer mouldings (17) from a sheet (6) injection-moulded behind with a resin can be simplified by the sheet (6) being deformed in an injection mould by means of a fluid pressure medium, in particular nitrogen, at at least 20 bar and the deformed sheet (6) injection-moulded behind with resin directly thereafter in this injection mould, a pressure keeping the deformed sheet (6) in position being maintained during the injection-moulding behind.Type: GrantFiled: January 25, 1991Date of Patent: August 17, 1993Assignee: Bayer AktiengesellschaftInventors: Werner Waldenrath, Joachim Wank, Wolfgang Lamaack, Dietmar Benner, Friedrich Johannaber, Karl-Heinz Julicher
-
Patent number: 5233753Abstract: Injection-moulded printed circuit boards which have been obtained by injection-moulding thermoplastic materials onto the back of flexible circuits are of a particularly high quality if the conductor tracks have been produced on the flexible carriers employed by direct additive or semiadditive metallisation.Type: GrantFiled: November 7, 1991Date of Patent: August 10, 1993Assignee: Bayer AktiengesellschaftInventors: Gerhard D. Wolf, Henning Giesecke, Joachim Wank
-
Patent number: 5217563Abstract: Cold-stretchable sheet material is isostatically formed at an operating temperature beneath the softening temperature of the sheet material by means of a fluid pressure medium at a pressure of more than 20 bars so as to produce a deep-drawn formed plastics piece. Forming may take place abruptly. The sheet to be formed may be provided with a coating such as an ink imprint. The resulting thin-walled deep-drawn piece may be backed and reinforced by injecting further plastics material.Type: GrantFiled: November 25, 1991Date of Patent: June 8, 1993Assignee: Bayer AktiengesellschaftInventors: Curt Niebling, Joachim Wank
-
Patent number: 5207961Abstract: The invention relates to new injection-moulded articles made from metal/plastic composite systems containing a polyurethane adhesive (intermediate) layer, and a process for the preparation thereof.Type: GrantFiled: August 6, 1990Date of Patent: May 4, 1993Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Eckart Reese
-
Patent number: 5108530Abstract: A method of manufacturing a deep-drawn formed plastic piece comprises providing a cold-stretchable sheet material with a coating selected from a group of an ink film, an ink imprint, a vacuum evaporated metallic thin film, and an electrically conductive varnish film. The coated sheet is heated with a fluid pressure medium which has a fluid medium pressure of more than 20 bars, and at an operating temperature lower than the softening temperature of the sheet material, in order to deform the sheet material isostatically to obtain the deep-drawn formed coated plastic piece.Type: GrantFiled: December 1, 1989Date of Patent: April 28, 1992Assignee: Bayer AktiengesellschaftInventors: Curt Niebling, Jr., Joachim Wank
-
Patent number: 5076987Abstract: A process for the production of optically isotropic extrusion films is disclosed. Accordingly in a first process step a thermoplsatic resin is extruded to form a film having a thickness below 600 .mu.m. The second process step entailsa) calendering said film between a ground elastic roller and a high gloss steel roller to produce a film having a high gloss surface and a matt surface, orb) calendering said film between a lacquered elastic roller and a high gloss steel roller to produce a film having high gloss on both surfaces, orc) calendering said film between a ground elastic roller and a high gloss steel roller to produce a film having a high gloss surface and a matt surface, and then coating said matt surface with a melt of said thermoplastic polymer and calendering the resulting coated film between a high gloss steel roller and a ground elastic roller, with the high gloss side of the coated film facing the roller of elastic material.Type: GrantFiled: April 4, 1990Date of Patent: December 31, 1991Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Hans L. Weber, Claus Burkhardt, Dieter Freitag, Bernhard Schulte, Werner Waldenrath
-
Patent number: 5056617Abstract: The positive characteristics of loudspeaker diaphragms are improved by the use of a thermoplastic polyurethane sheet with a thickness of 0.06 to 0.8 mm at least for the moving part (1).Type: GrantFiled: September 8, 1989Date of Patent: October 15, 1991Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Dieter Freitag
-
Patent number: 5055345Abstract: A 0.3 to 2 mm thick multilayer composite material comprising the following layers:1st layer: 0.01 to 0.3 mm thick highly transparent thermoplastic2nd layer: 5 to 50 .mu.m thick decorative ink layer and/or 5 to 50 .mu.m thick adhesive layer3rd layer: 0.05 to 0.5 mm thick thermoplastic containing 0.1 to 30% by weight pigment4th layer: 0.05 to 0.8 mm thick highly elastic plastic containing up to 30% by weight pigment5th layer: 0.05 to 0.5 mm thick thermoplastic containing 0.1 to 30% by weight pigment6th layer: 5 to 50 .mu.m decorative ink layer and/or 5 to 50 .mu.m thick adhesive layer7th layer: 0.01 to 0.3 mm thick highly transparent thermoplastic is disclosedlayers 3 and 5 being optional.Type: GrantFiled: February 20, 1990Date of Patent: October 8, 1991Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Walter Uerdingen, Lutz Schrader, Werner Waldenrath
-
Patent number: 4970108Abstract: This invention relates to multilayer films composed of thermoplastic films, tough elastic polyurethane films and optionally a sealing layer and to the use of these multilayer films for the manufacture of crash pad films, i.e. as outer skin for automobile dash boards.Type: GrantFiled: March 30, 1990Date of Patent: November 13, 1990Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Walter Uerdinger, Dieter Freitag, Hans E. Braese
-
Patent number: 4828901Abstract: An invention relates to new injection-moulded articles made from metal/plastic composite systems containing a polyurethane adhesive (intermediate) layer, and a process for the preparation thereof.Type: GrantFiled: May 26, 1987Date of Patent: May 9, 1989Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Eckart Reese
-
Patent number: 4810321Abstract: Metal-plastic laminates are prepared by coating a metal component with a polyurethane adhesion promoter in dissolved or dispersed form, drying the liquid phase and coating with the melt of a thermoplastic by the extrusion coating process.Type: GrantFiled: May 26, 1987Date of Patent: March 7, 1989Assignee: Bayer AkteingesellschaftInventors: Joachim Wank, Claus Burkhardt, Hans-Wolfgang Schmoranzer
-
Patent number: 4806412Abstract: The invention relates to laminates of five or six components and to their use for the production of skis, surfboards and furniture components.Type: GrantFiled: April 13, 1988Date of Patent: February 21, 1989Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Rudolf Hombach
-
Patent number: 4725109Abstract: A layer (2) of a substance of high refractive index having an optical thickness of ##EQU1## and a layer (3) of a substance of low refractive index having an optical thickness of ##EQU2## as well as a layer (4) of a substance of high refractive index having an optical thickness of ##EQU3## and a layer (5) of a substance of low refractive index having an optical thickness of ##EQU4## are arranged as an antireflection coating on a transparent covering (1) of display devices, the wavelengths .lambda.1 and .lambda.2 being in a ratio of 1:1,5 to 1:3.Type: GrantFiled: November 7, 1985Date of Patent: February 16, 1988Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, August Hell
-
Patent number: 4707396Abstract: The present invention relates to laminates consisting of a thermoplastic film, a polyurethane layer, a color layer, if appropriate a second polyurethane layer and a thermoplastic layer and a process for their production.Type: GrantFiled: August 1, 1986Date of Patent: November 17, 1987Assignee: Bayer AktiengesellschaftInventors: Joachim Wank, Werner Waldenrath, Heinz Schmitz, Gunter Pakulat
-
Patent number: 4654411Abstract: Polyesters having at least 90%, by weight, of recurrent structural units corresponding to the following formula: ##STR1## and characterised by a relative viscosity.eta..sub.rel of from 1.6 to 4.5 (determined at 25.degree. C. in CH.sub.2 Cl.sub.2, c=5 g/l) are suitable for the production of films having highly advantageous performance characteristics, in particular high heat resistance.Type: GrantFiled: September 3, 1985Date of Patent: March 31, 1987Assignee: Bayer AktiengesellschaftInventors: Volker Serini, Bernhard Schulte, Werner Waldenrath, Dieter Freitag, Uwe Hucks, Joachim Wank, Hans-Leo Weber
-
Patent number: 4515925Abstract: Mixtures of (A) from 50 to 90% by weight of aromatic polycarbonate and (B) from 10 to 50% by weight of polybutylene terephthalate, the percent by weight being based on the total of (A) and (B) are used to produce novel films.Type: GrantFiled: September 28, 1983Date of Patent: May 7, 1985Assignee: Bayer AktiengesellschaftInventors: Frank Kleiner, Rolf Kubens, Eckart Reese, Joachim Wank
-
Patent number: 4450249Abstract: The present invention relates to polycarbonate articles and films characterized by their antistatic properties comprising polycarbonate resin and alkali, or alkali earth, salts of specific aromatic sulfonic acids, specific aromatic phosphonic acids or aromatic partial phosphoric acid esters.Type: GrantFiled: August 19, 1982Date of Patent: May 22, 1984Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Joachim Wank, Eckart Reese, Dieter Freitag, Klaus Wangermann, Wolfgang Cohnen
-
Patent number: RE33032Abstract: The present invention relates to polycarbonate films, and in particular extruded films and cast films, but preferably extruded films, which are characterized in that they contain about 0.01% to 2% by weight of a NH.sub.4 salt, alkali metal salt or alkaline earth metal salt of a perhalogenoalkanesulphonic acid, preferably a perfluoroalkanesulphonic acid.Type: GrantFiled: November 16, 1987Date of Patent: August 22, 1989Assignee: Bayer AktiengesellschaftInventors: Rudolf Binsack, Joachim Wank, Eckart Reese