U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...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.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 428/626 - Synthetic resin


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Subject matter in which the organic material is a synthetic
No. of patents: 707
Last issue date: 05/29/2012


                    18  
NumberTitleIssue Date
4071656Plated 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
4063004Metal 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
4061837Plastic-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
4042752Multiple 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
4038042Electroplating 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
4019877Method 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
4013492Method 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
4010315Shielding 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
4002595Electroplatable 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
4000982Bearing 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
3999957Process 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
3984907Adherence 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
3985584Metal 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
3982066Metal 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
3981691Metal-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
3978803Container 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
3977839Coated 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
3973920Magnetic 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
3958317Copper 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
3956098Apparatus 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
3948687High 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
3937857Catalyst 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
3932144Coated 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
3932143Flame-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
3930806Laminated 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
3930807Plastic 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
                    18  
 
Sign InRegister
Username  
Password   
forgot password?