Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Boyer; Carl W.
Address:
Wyalusing, PA
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4612183 Method of producing crystalline ammonium metatungstate September 16, 1986
A method is disclosed for producing crystalline ammonium metatungstate from ammonium paratungstate. The method involves heating ammonium paratungstate in a multiple hearth furnace at from about 200.degree. C. to about 400.degree. C. to form a relatively uniformly heated ammonium para
4612181 Method of producing crystalline ammonium metatungstate September 16, 1986
A method is disclosed for producing crystalline ammonium metatungstate from ammonium paratungstate. The method involves heating the ammonium paratungstate in a multiple hearth furnace at from about 200.degree. C. to about 400.degree. C. to form a relatively uniformly heated ammonium
4560539 Removal of ammonia from sodium tungstate solutions December 24, 1985
A process is disclosed for removing ammonia from a sodium tungstate solution. The process involves heating the solution at from about 80.degree. C. to about 95.degree. C., while at the same time maintaining the pH above about 9.4 by addition of sodium hydroxide to the sodium tungstat
4360503 Recovery of tungsten values from alkali tungstate solutions by solvent extraction November 23, 1982
In a two component extraction system for producing ammonium tungstate from aqueous alkali metal tungstate from aqueous alkali metal tungstate solution, the stripped organic is washed to form a wash solution which is mixed with concentrated ammonia solution to form an aqueous ammonia










 
 
  Recently Added Patents
Optical imaging device and imaging method for microscopy
System and method for video encoding
Field-programmable analog array with memristors
Systems and methods for processing supplemental information associated with media programming
Biaxially oriented film which could be thermally laminated with paper and other substrates
Plant disease control composition and its use
Method of generating integrated circuit model
  Randomly Featured Patents
Methods of establishing credit
Chip stack with differing chip package types
Reusable quick sifter
Process and apparatus for coating fuel fertile or absorber material containing particles for high temperature fuel elements
Light shades and lighting systems
Ruthenium-phosphine complex
Marine advertising vessel
CMOS transistor with amorphous silicon elevated source-drain structure and method of fabrication
Conductive polymeric nanocomposite materials
Light emitting device including resin and manufacturing method for the same