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NALCO CHEMICAL CO

Overview
  • Total Patents
    4,974
About

NALCO CHEMICAL CO has a total of 4,974 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets environmental technology, machines and chemical engineering are BETZDEARBORN INC, NALCO CO and ONDEO NALCO CO.

Patent filings per year

Chart showing NALCO CHEMICAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fong Dodd W 158
#2 Hoots John E 156
#3 Mccoy William F 111
#4 Ramesh Manian 94
#5 Hurlock John R 82
#6 Dallmier Anthony W 79
#7 Seale Virgil L 68
#8 Braithwaite David G 67
#9 Phillips Kenneth G 63
#10 Wetegrove Robert L 61

Latest patents

Publication Filing date Title
JP2012197221A Method for preparing stable silica sol having high surface area and high activity
AU2007200993A1 A process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling
AU2005201969A1 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control
AU2614902A Composition and method for inhibiting the growth of microorganisms including stabilized sodium hypobromite and isothiazolones
AU2031802A Colloidal borosilicates and their use in the production of paper
ZA200107959B Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage.
WO0159213A1 Aqueous polyaminoamide and surfactant composition for papermaking
US6440476B2 Method to improve quality and appearance of leafy vegetables by using stabilized bromine
US6444091B1 Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking
US6451169B1 Structurally rigid polymer coagulants as retention and drainage aids in papermaking
US6436711B1 Fluorometric control of aromatic oxygen scavengers in a boiler system
WO0142149A1 Method of inhibiting corrosion of yellow metal surfaces in aqueous systems
US6413433B1 Method for dewatering of sludge
US6379720B1 Compositions containing hops extract and their use in water systems and process streams to control biological fouling
US6267897B1 Method of inhibiting biofilm formation in commercial and industrial water systems
US6336058B1 Use of control matrix for boiler control
US6280635B1 Autocycle control of cooling water systems
US6369894B1 Modular fluorometer
US6315909B1 Use of control matrix for cooling water systems control
US6398967B2 Method of clarifying water using low molecular weight cationic dispersion polymers