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

Icon_funbox Quotables

"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "

Ambose Bierce

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 252/505 - With radioactive material


Subclass of Class 252 - Compositions
Definition: Compositions which contain a radio-active material in addition
No. of patents: 5
Last issue date: 11/18/2003


NumberTitleIssue Date
6649090LIQUID COMPOSITION, FLAVOR MODIFICATION MATERIAL, FLAVOR MODIFICATION METHOD, AIR-CONDITIONING MATERIAL, INTERIOR/EXTERIOR CONSTRUCTION MATERIAL, FRESHNESS PRESERVATION MATERIAL, STORAGE, EQUIPMENT, ROOM INTERIOR ITEMS AND FITTINGS AND EQUIPMENT
A liquid composition is formed into a coating layer state in which negative ions are steadily released. The liquid composition includes a finely powdered mineral that generates negative ions mixed with a binder liquid that is conductive and/or a binder li...
11/18/2003
4900368Foamed energy cell
A photovoltaic material having an open-cellular foamed nature incorporated into an electric current generating cell activated by a material circulated through the open cells of the foam....
02/13/1990
4446058Resistor composition for resistor-incorporated spark plugs
A resistor composition for resistor-incorporated spark plugs, substantially consisting of 100 parts of a base mixture consisting of 30 to 70% of glass frit and the balance of inorganic aggregate; 0.1 to 7.0 parts, calculated on carbon upon sintering, of a...
05/01/1984
4173731Resistor composition for spark plug having a resistor enclosed therein
A resistor composition for use in producing a resistor used in a spark plug comprising (1) 100 parts by weight of (a) a glass; and (b) an inorganic filler; with the glass (a) being present in a proportion of about 30 to about 70% by weight and the inorganic fi...
11/06/1979
4076652Elastic resistor compositions containing metallic-conductive particles and conductive lubricant particles
Elastic resistor compositions comprising metallic-conductive particles and solid conductive lubricant particles codistributed in a matrix of a curable, elastomer-forming polymer and the cured compositions formed therefrom. Elastic resistors made from said...
02/28/1978
 
Sign InRegister
Username  
Password   
forgot password?