ELCOR CHEM CORP has a total of 11 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Canada, United States and South Africa. Its main competitors in its focus markets materials and metallurgy and environmental technology are GONG JIAZHU, PRAYON SOC and NEGEV PHOSPHATES LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 3 | |
#2 | United States | 3 | |
#3 | South Africa | 3 | |
#4 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Non-metallic elements | |
#2 | Rare-earth metal compounds | |
#3 | Climate change mitigation in goods production |
# | Name | Total Patents |
---|---|---|
#1 | Fisher Edwin Eddie | 2 |
#2 | Fisher E | 2 |
#3 | Campbell R | 2 |
#4 | Campbell Roy Edwin | 2 |
#5 | Orahood John L | 2 |
#6 | Fisher E E | 1 |
#7 | Fisher Edwin E | 1 |
#8 | Campbell R E | 1 |
#9 | Orahood J | 1 |
#10 | Campbell Roy E | 1 |
Publication | Filing date | Title |
---|---|---|
US3661518A | Process for converting sulfates to sulfides | |
ZA6905220B | Process for recovering a metal oxide and sulfur dioxide from a metal sulfate | |
ZA6905216B | Sulfur recovery process | |
ZA6805487B | Process for converting gypsum to calcium sulfide and apparatus therefor | |
GB1241575A | Process for converting gypsum to calcium sulphide and apparatus therefor | |
US3607068A | Sulfur recovery process | |
US3582276A | Process for recovering a metal oxide and sulfur dioxide from metal sulfate | |
CA892459A | Process for converting gypsum to calcium sulfide and apparatus therefor | |
CA892458A | Process for recovering a metal oxide and sulfur dioxide from a metal sulfate |