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Class 264/418 - Radio frequency (e.g., 13.56 megahertz, etc.)


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the directly applied energy is identified
No. of patents: 8
Last issue date: 10/10/2006


NumberTitleIssue Date
7118793Three-dimensional foamable structure with wear-resistant feature
A foamable structure includes a film shell having a bottom face and a peripheral wall, and a foamable material mounted in the film shell and having a bottom face combined with the bottom face of the film shell, and a peripheral wall combined with the peripheral wall...
10/10/2006
7037459Methods of making compositions comprising thermoplastic and curable polymers and articles made from such methods
Manufactured articles and methods of producing such articles are disclosed where the article has a thermoplastic polymer component and a curable polymer component. The curable polymer may be moisture-curable polymer, or microwave, dielectric or radio frequency curab...
05/02/2006
7005097Medical devices employing chain extended polymers
Medical devices such as catheters and balloons are formed from a thermoplastic polymer composition comprising a melt mixture product of at least one terminally reactive polymer and a chain extender. ...
02/28/2006
5770038Method for detecting chemical substances
A method for detecting and identifying a chemical substance in various phases such as a vapor phase and a liquid phase. The chemical substance being measured is diffused into a predetermined phase. Then, an electric state at an electrode existing in the p...
06/23/1998
5128073Expanding thermoplastic resin beads with very high frequency energy
Expandable thermoplastic resin beads coated with a novel very high frequency energy absorbing material are expanded with microwave energy....
07/07/1992
4391765Microwave cured silicone elastomeric foam
A simplified method of manufacturing a silicone elastomeric foam comprises mechanically generating a stable froth of an aqueous emulsion, while adding surfactant and thickener, then exposing the stable froth to microwave energy to remove the water. The em...
07/05/1983
4134942Method for producing foamed articles
Disclosed herein is a method for producing foamed articles, such as seat cushions for a riding lawn mower or the like, which method includes the steps of providing a mold having at least two separable, electrically insulated mold sections, which, when pos...
01/16/1979
4108928Method of producing a viscous flowable pressure-compensating fitting composition from hollow thermoplastic microblends with the use of high frequency heating and dispensing the composition into a sealable, flexible, protective enclosure means
Methods involving the use of high frequency heating means and temperature-compensating means to expand hollow, thermoplastic resinous microbeads in a controllable manner. The heat-expanded microbeads are suitable for use, for example, in providing viscous...
08/22/1978
 
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