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
Meat-containing, strip shaped food product and method of making same
Methods and apparatus for intelligent selection of goods and services in mobile commerce
Network client validation of network management frames
Imaging apparatus, control method thereof, and program
Quantum dot template for fast and simultaneous detection of different infectious agents
Pre-primed roofing membrane
Mitigating single point failure of devices in an analyte monitoring system and methods thereof
  Randomly Featured Patents
Method to improve the stability and broaden the pH range of family G/11 xylanases
Waveform sequencing method and apparatus for a bistable cholesteric liquid crystal display
Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
Swinging bucket centrifugation rotor with conforming bucket seat
In-grade lighting fixture
Closure assembly
Light emitting diode device
System and method for knock detection based on ethanol concentration in fuel
Off-road pneumatic tire with vibration-reducing lugged tread
Apparatus for measuring the luminous lifetime of a sample