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ADVANCED CHEM SYSTEMS INT

Overview
  • Total Patents
    20
About

ADVANCED CHEM SYSTEMS INT has a total of 20 patent applications. Its first patent ever was published in 1989. It filed its patents most often in WIPO (World Intellectual Property Organization), Australia and United States. Its main competitors in its focus markets basic materials chemistry, semiconductors and optics are LEE WAI MUN, EKC TECHNOLOGY INC and YOKOI SHIGERU.

Patent filings in countries

World map showing ADVANCED CHEM SYSTEMS INTs patent filings in countries

Patent filings per year

Chart showing ADVANCED CHEM SYSTEMS INTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fine Stephen A 6
#2 Guan George 6
#3 Wojtczak William A 6
#4 Grebinski Thomas J 5
#5 Jones Michael 5
#6 Currie James E 5
#7 Brewer Richard 3
#8 Wickham Richard E 3
#9 Mullee William 3
#10 Fine Daniel N 3

Latest patents

Publication Filing date Title
WO9933094A1 Selective silicon oxide etchant formulation including fluoride salt, chelating agent and glycol solvent
WO9830667A1 Semiconductor wafer cleaning composition and method with aqueous ammonium fluoride and amine
WO9828395A1 Formulations including a 1,3-dicarbonyl compound chelating agent for stripping residues from semiconductor substrates
WO9822568A1 Stripping formulation including catechol, hydroxylamine, non-alkanolamine, water for post plasma ashed wafer cleaning
WO9702958A1 Organic amine/hydrogen fluoride etchant composition and method
US5397546A Scrubber sterilization system
US5320709A Method for selective removal of organometallic and organosilicon residues and damaged oxides using anhydrous ammonium fluoride solution
WO9000579A1 Stripping composition using n-cyclohexyl-2-pyrrolidone