CHEMICAL SEPARATIONS CORP has a total of 28 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets chemical engineering, basic materials chemistry and foods and drinks are CHEMICAL & IND CORP, HYDRO AGRI SLUISKIL BV and PROIZV OB G I PRIKLADNOJ KHIM.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 6 | |
#2 | United States | 6 | |
#3 | Germany | 3 | |
#4 | France | 3 | |
#5 | United Kingdom | 3 | |
#6 | Spain | 2 | |
#7 | Belgium | 1 | |
#8 | Switzerland | 1 | |
#9 | India | 1 | |
#10 | Italy | 1 | |
#11 | Romania | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Basic materials chemistry | |
#3 | Foods and drinks | |
#4 | Materials and metallurgy | |
#5 | Agriculture | |
#6 | Surface technology and coating | |
#7 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Chemical or physical processes | |
#2 | Nitrogenous fertilisers | |
#3 | Dairy products | |
#4 | Dairy products production | |
#5 | Separation | |
#6 | Metallic material cleaning | |
#7 | Phosphatic fertilisers | |
#8 | Water treatment | |
#9 | Non-metallic elements | |
#10 | Ammonia or cyanogen |
# | Name | Total Patents |
---|---|---|
#1 | Higgins Irwin R | 9 |
#2 | Chopra Randhir C | 3 |
#3 | Higgins Irwin Raymond | 2 |
#4 | Irwin Raymond Higgins | 1 |
#5 | Higgins Irwin | 1 |
#6 | Higgins I | 1 |
#7 | Higgins I R | 1 |
#8 | Raymond Higgins Irwin | 1 |
Publication | Filing date | Title |
---|---|---|
US3984313A | Preferential removal of ammonia and phosphates | |
US3972810A | Removal of chromium, chromate, molybdate and zinc | |
CA974376A | Process for treating fertilizer plant waste streams using ion exchange resins | |
DE1936253A1 | Metal pickling using an ion exchange resin to | |
GB1220761A | Improvements relating to the pickling of metal | |
ES365691A1 | A continuous cyclic procedure for contacting a liquid with a solid, containing such liquid a contaminant that must be eliminated from it. (Machine-translation by Google Translate, not legally binding) | |
US3579322A | Recovery of phosphate from phosphate containing pond water | |
US3415377A | Apparatus for the treatment of milk | |
US3194663A | Radioactive decontamination of milk | |
CA817858A | Mineral separations and purifications and fertilizer conversions | |
CA833614A | Phosphate pond water recovery | |
CA884599A | Down flow ion exchange | |
CA769672A | Radioactive decontamination of milk |