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
Metal colloidal particles, metal colloid and use of metal colloid
Atomic oscillator and manufacturing method
Handheld electronic communication device having sliding display
Method for producing male sterile plants using plant beclin 1/ATG6 expression
System and method for controlling a wireless device
System and method for content delivery
Socket type MEMS device with stand-off portion
  Randomly Featured Patents
Three speed overdrive transaxle assembly
Method of producing a concrete lined tunnel or other underground excavation
Side panel for ink cartridge for ink jet printer
Set of heximoes
System and method for uplink power control
Compositions for the regulation of cytokine activity
Hypervisor controlled user device that enables available user device resources to be used for cloud computing
Rear combination lamp for automobiles
Spatiotemporal locator processing method and apparatus
Method and apparatus for forming end panels for containers