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BETZ PAPERCHEM INC

Overview
  • Total Patents
    37
About

BETZ PAPERCHEM INC has a total of 37 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper, environmental technology and machines are NOPCO PAPER TECH GMBH, BIM KEMI AB and JESSUP & MOORE PAPER CO.

Patent filings in countries

World map showing BETZ PAPERCHEM INCs patent filings in countries
# Country Total Patents
#1 United States 37

Patent filings per year

Chart showing BETZ PAPERCHEM INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schuster Michael A 5
#2 Nguyen Duy T 5
#3 Letscher Mary Beth 5
#4 Dreisbach David D 4
#5 Pease Jacqueline K 4
#6 Richmann Sandra K 4
#7 Fisher Alexander D 3
#8 Khan Abdul Q 3
#9 Harrington Iv John C 3
#10 Zidovec Davor F 3

Latest patents

Publication Filing date Title
US5536363A Methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin
US5468393A Methods of controlling scale formation in the presence of metal ions in aqueous systems
US5530137A Methods and compositions for stabilizing fatty acid imidazoline solutions
US5538668A Antifoam composition for aqueous starch and paper coating systems
US5415740A Method for improving retention and drainage characteristics in alkaline papermaking
US5482595A Method for improving retention and drainage characteristics in alkaline papermaking
US5415798A Concentrated high flash point surfactant compositions
US5464502A Anionic sulfonate surfactants in the washing and pulping operation
US5405498A Method for improving pulp washing efficiency
US5368740A Methods of controlling scale formation in the presence of metal ions in aqueous systems
US5292403A Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes
US5344619A Apparatus for dissolving dry polymer
US5256253A Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems
US5250152A Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulping additives for reject reduction and yield increase
US5312841A Water based biocide
US5320777A Foam control compositions
US5266166A Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer
US5248388A Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper
US5302242A Process and composition for deinking dry toner electrostatic printed wastepaper
US5314581A Apparatus for simulating processing parameters and predicting variables in a papermaking operation including sequential pulsation, gravity and vacuum drainage, fines retention and paper formation