...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4071656 | Plated polypropylene composition This invention relates to certain novel articles formed from polypropylene compositions, and more particularly to articles produced by forming polypropylene compositions into a predetermined configuration and plating with a coating of one or more metals. ... | 01/31/1978 |
| 4063004 | Metal plating of plastics Substrates, particularly plastics, are preplated with metals by pretreatment of the substrate with phosphorus sesquisulfide in an organic solvent to deposit phosphorus sesquisulfide at the surface, followed by contacting the treated surface with a metal s... | 12/13/1977 |
| 4061837 | Plastic-metal composite and method of making the same The improved plastic-metal unitary composite of the invention formed by the present method, includes (a) a thin copper foil, for example, weighing about 1 or 2 ounces per square foot, one side of which has a rough irregular surface with improved bondabili... | 12/06/1977 |
| 4042752 | Multiple metallic layers including tin-cobalt containing alloy layer, with plastic substrate A novel product means of a corrosion resistant nature, and having a plastic substrate, and presenting a shiny or lustrous, or satin-like outer appearance.... | 08/16/1977 |
| 4038042 | Electroplating of polypropylene compositions Certain polyolefin-based compositions are readily electroplatable and possess particularly desirable combinations of characteristics. These are blends of specified proportions and types of polypropylene, low polarity rubber, highly conductive carbon black... | 07/26/1977 |
| 4019877 | Method for coating of polyimide by electrodeposition A method of coating a copper substrate comprises the steps of: anodically microsmoothing the copper substrate in an acid bath to provide a substantially smooth surface; electrocoating the microsmoothed substrate with a pin hole free nickel film having a t... | 04/26/1977 |
| 4013492 | Method of simultaneously plating dissimilar metals A method of simultaneously preparing and plating two parts attached together in an assembly, which parts are of different materials, such as steel and aluminum, and are incompatible with one another in the plating preparation process. The method includes ... | 03/22/1977 |
| 4010315 | Shielding tape for cables A cable shielding tape comprising a first layer of substantially pure aluminum bonded to a second layer of aluminum alloy which can beneficially be used in cable constructions designed for the transmission of electric power or communications. The cable sh... | 03/01/1977 |
| 4002595 | Electroplatable polypropylene compositions Certain polyolefin-based compositions are readily electroplatable and possess particularly desirable combinations of characteristics. These are blends of specified proportions and types of polypropylene, low polarity rubber, highly conductive carbon black... | 01/11/1977 |
| 4000982 | Bearing material A bearing material which comprises a back metal; a porous sintered layer formed by using a powder of iron, copper, iron alloy or copper alloy on said back metal; and an impregnated layer formed by impregnating a mixture of polytetrafluoroethylene resin po... | 01/04/1977 |
| 3999957 | Process of coating metal and resultant product Metal surfaces moving at high speeds are coated with a chromium-resin containing layer having improved adhesion and resistance to deformation. The coatings provide corrosion resistance to the metal as well as enhancing its appearance when a pigment is add... | 12/28/1976 |
| 3984907 | Adherence of metal films to polymeric materials The addition of copper, either as a thin film or as an alloy constituent, to nickel-chromium alloys improves the adhesion of such alloys to polymeric substrates and coatings.... | 10/12/1976 |
| 3985584 | Metal protective coating compositions, their preparation and use Disclosed is an acid, aqueous metal surface treating composition comprising chromium phosphate, chromic acid, a phosphate ion providing compound and a polyvinyl alcohol polymer hydrolyzed to at least 99%. Also present is a phosphate of a water soluble ami... | 10/12/1976 |
| 3982066 | Metal coating for video discs An improved metal coating for a video disc of a grooved polymer disc, a conductive metal coating thereon and a dielectric coating on said metal coating comprising a trilayer film of a first layer of copper about 25-50 angstroms thick, a second layer about... | 09/21/1976 |
| 3981691 | Metal-clad dielectric sheeting having an improved bond between the metal and dielectric layers An improved bond between the metal and dielectric layers of metal-clad dielectric sheeting is obtained by use of a black-chromium treatment on the metal layer.... | 09/21/1976 |
| 3978803 | Container or can and a method for manufacturing the same A steel sheet having a Ni or Cu base plating layer and a Sn upper plating layer characterized by the absence of any alloy layer intervening therebetween is subjected to an ironing operation with the thickness of the plating being relatively small. The int... | 09/07/1976 |
| 3977839 | Coated metal article and method of coating Methods of coating metal articles to protect them from corrosion, and the products of such methods. Metal articles which have been electroplated with zinc, cadmium, nickel or chromium, are chromated, and coated with a hydrophobic thermosetting polymer, an... | 08/31/1976 |
| 3973920 | Magnetic recording medium This invention relates to a magnetic recording medium, which comprises a first protective plating layer consisting of at least one selected from the group consisting of rhenium, osmium, ruthenium, chromium, rhodium and mixtures thereof, provided on a ferr... | 08/10/1976 |
| 3958317 | Copper surface treatment for epoxy bonding A treated copper surface for bonding, using adhesive such as epoxy glass, in applications such as multilayer circuit boards. The copper surface is covered with a thin layer of chromium having a roughened (etched) outer surface. The chromium layer preclude... | 05/25/1976 |
| 3956098 | Apparatus containing silicon metal joints Disclosed is a method of joining a silicon metal work piece to a second metallic work piece. In the disclosed method, an adherent surface is provided on the silicon work piece. A pool is then provided on the surface of the silicon, in contact with the adh... | 05/11/1976 |
| 3948687 | High temperature resistant diffusion coating Low temperature aluminum diffusion is more uniform when effected with a pack energized by aluminum chloride or other material that does not generate nitrogen, and gives food protection against marine corrosion of steels, and particularly when there is a c... | 04/06/1976 |
| 3937857 | Catalyst for electroless deposition of metals A solvent method for the metallization of a non-conductive surface with gold, nickel or copper is shown whereby on a substrate a thermosensitive coordination complex of palladium is deposited; the complex has the formula LmPdXn wherein L is a ligand or un... | 02/10/1976 |
| 3932144 | Coated metallic sheet for use in making a container A coated metallic sheet adapted for use in making a can for foodstuff or other container. This sheet can be made by coating, upon a material sheet, a composition of a resol-type thermosetting phenolformaldehyde resin and a bisphenol "A" type epoxy resin. ... | 01/13/1976 |
| 3932143 | Flame-sprayed roofing material A building product, such as a roofing shingle or the like, is provided with flame resistance and protected against actinic degradation, and fouling by algae and micro-organisms by flame-spraying a metal coating on at least one side of the product and ther... | 01/13/1976 |
| 3930806 | Laminated cookware units A multiply durable laminated cookware unit includes components having a ferrous steel core ply roll plated with second and third aluminum plies which are softer and anodic relative to the core ply and which are bonded to the core ply under pressure so as ... | 01/06/1976 |
| 3930807 | Plastic molding having satin finish type metallic luster The present invention relates to a plastic molding having satin finish type metallic luster. More particularly, it provides a molding of high accuracy and good appearance. The plastic molding of the present invention is produced by first applying satin fi... | 01/06/1976 |