|
US2640827A
(en)
*
|
|
1953-06-02 |
|
Vitamin |
|
US2415558A
(en)
*
|
1942-02-02 |
1947-02-11 |
Infilco Inc |
Preparation of acids
|
|
US2433167A
(en)
*
|
1943-06-21 |
1947-12-23 |
Hall Lab Inc |
Mixing the effluent of a potassium base exchanger with water for use in boilers
|
|
US2512053A
(en)
*
|
1944-12-18 |
1950-06-20 |
Permutit Co |
Alumino silicate cation exchangers
|
|
US2528022A
(en)
*
|
1945-01-27 |
1950-10-31 |
Pfizer & Co C |
Purification of antibiotics by ion exchange procedures
|
|
US2490716A
(en)
*
|
1945-03-30 |
1949-12-06 |
Staley Mfg Co A E |
Process of manufacturing starch sirup
|
|
US2452179A
(en)
*
|
1945-07-10 |
1948-10-26 |
Albert L Bunting |
Chemical conversion of salt containing solutions
|
|
US2444589A
(en)
*
|
1945-08-10 |
1948-07-06 |
American Cyanamid Co |
Purification of organic nitriles
|
|
US2510281A
(en)
*
|
1945-09-21 |
1950-06-06 |
Visking Corp |
Method of making beta-amino sulfonic compounds
|
|
US2457117A
(en)
*
|
1945-10-23 |
1948-12-28 |
Interchem Corp |
Process for the manufacture of amino acids
|
|
US2553685A
(en)
*
|
1946-02-14 |
1951-05-22 |
Abbott Lab |
Adsorption and elution of streptomycin
|
|
US2510282A
(en)
*
|
1946-03-23 |
1950-06-06 |
Visking Corp |
Beta-nitro sulfonic compounds and method of making same
|
|
US2543659A
(en)
*
|
1946-03-29 |
1951-02-27 |
American Cyanamid Co |
Modification of the relative concentration of ions in fluid media
|
|
US2509051A
(en)
*
|
1946-04-17 |
1950-05-23 |
Applezweig Norman |
Extraction of alkaloids from fresh plants
|
|
US2481537A
(en)
*
|
1946-04-25 |
1949-09-13 |
Silvio E Ronzone |
Process for rectification of crude alkaloids
|
|
US2522140A
(en)
*
|
1946-04-29 |
1950-09-12 |
Shawcross Roy |
Method of breaking emulsions to recover wool fat
|
|
US2492673A
(en)
*
|
1947-04-21 |
1949-12-27 |
Miles Lab |
Conditioning molasses and the like for production of citric acid by fermentation
|
|
US2597329A
(en)
*
|
1947-08-06 |
1952-05-20 |
Merck & Co Inc |
Process for anion exchange of thiamin salts
|
|
US2560504A
(en)
*
|
1947-08-07 |
1951-07-10 |
American Cyanamid Co |
Demineralization of sucrose solutions by ion exchange
|
|
US2609341A
(en)
*
|
1947-09-25 |
1952-09-02 |
Ionics |
Method of purifying water
|
|
US2549378A
(en)
*
|
1948-03-16 |
1951-04-17 |
Rohm & Haas |
Separation of amino acids
|
|
US2567661A
(en)
*
|
1948-08-31 |
1951-09-11 |
John A Ayres |
Zirconium and hafnium recovery and purification process
|
|
US2609387A
(en)
*
|
1948-12-01 |
1952-09-02 |
Monsanto Chemicals |
Removal of amine inhibitors from unsaturated monomers
|
|
US2660558A
(en)
*
|
1949-01-15 |
1953-11-24 |
Ionics |
Method for the purification of water by ion exchange
|
|
US2703313A
(en)
*
|
1950-01-09 |
1955-03-01 |
Aerojet General Co |
Cation exchange apparatus
|
|
US2697725A
(en)
*
|
1950-03-18 |
1954-12-21 |
Sharples Corp |
Recovery of organic acids from aqueous solutions
|
|
US2696484A
(en)
*
|
1951-02-13 |
1954-12-07 |
Ortho Pharma Corp |
Process of separating the oxytocic principle of the posterior pituitary
|
|
US2871252A
(en)
*
|
1954-07-06 |
1959-01-27 |
Morton Chemical Corp |
Preparation of organo mercuric hydroxides
|