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
Single integrated circuit configured to operate both a capacitive proximity sensor device and a resistive pointing stick
Memory with separate read and write paths
Permanent magnet rotor with flux concentrating pole pieces
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Flexible lighting devices
Lithographic apparatus and device manufacturing method
Double patterning method using tilt-angle deposition
  Randomly Featured Patents
Single trip well completion system
System and method for cascading from a power managed suspend state to a suspend-to-disk state in a computer system
Storable boom attachment for a construction machine
Molecular sieve SSZ-74 composition of matter and synthesis thereof
Fluid distribution method and apparatus
Floor outlet
Configurable mechanism and abstract API model for directory operations
System and method for controlling power across multiple electrodes in a furnace
Morphometric measurement tool
Methods for the isolation of bacteria containing eukaryotic genes