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NAT CHEM PROD LTD

Overview
  • Total Patents
    46
About

NAT CHEM PROD LTD has a total of 46 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets chemical engineering, macromolecular chemistry and polymers and organic fine chemistry are SCHWARZ ORE TREATING COMPANY, MINERALS SEPARATION LTD and ELMORE ALEXANDER STANLEY.

Patent filings in countries

World map showing NAT CHEM PROD LTDs patent filings in countries

Patent filings per year

Chart showing NAT CHEM PROD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaw Peter Sylvester 6
#2 Job John Leonard 6
#3 Martin Eric F 4
#4 Lurie Julian 4
#5 Powell Roger F 4
#6 Julian Lurie 3
#7 Frederick Powell Roger 3
#8 Powell Roger Frederick 3
#9 Nichol Robert J 2
#10 Marais Brand Ernst 2

Latest patents

Publication Filing date Title
ZM2579A1 Resinous polymeric substances
ZA7801454B Resinous polymeric substances
ZM7777A1 Frother method of producing it and method of concentrating minerals by by flotation
ZA7606040B Frother,method of producing it,and method of concentrating minerals by flotation
ZA7502850B Animal feed material
ZM18269A1 Pelletizing of materials in divided form
US3034648A Promoting froth flotation
MY5500014A Improvements in froth flotation processes and frothing agents for use therein
MY5500023A Improvements to froth flotation processes
US2776749A Alkoxy benzene in froth flotation process
US2776748A Beta alkoxy crotonic acid esters in froth flotation processes
GB665420A Improvements in froth flotation processes and frothing agents for use therein
GB662122A Improvements in froth flotation processes and frothing agents for use therein
GB680802A Improvements in froth flotation processes and frothing agents
CA498707A Froth flotation processes and frothing agents for use therein
CA525447A Froth flotation processes and frothing agents
CA655062A Substituted trioxanes and manufacture thereof
CA684897A Promoting froth flotation