Inventor
DREISBACH DAVID D
US12 patents
⚠️ This page may combine multiple inventors who share the name “DREISBACH DAVID D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BETZ LABORATORIES
6 patentsUS5074961ADec 24, 1991
Process for controlling pitch deposition from pulp in papermaking systems
BETZ LABORATORIES28 citations92
US4871424AOct 3, 1989
Process for controlling pitch deposition from pulp in papermaking systems
BETZ LABORATORIES37 citations92
US4765867AAug 23, 1988
Pitch control process utilizing quaternized polyamine ionene polymer
BETZ LABORATORIES32 citations92
US4744865AMay 17, 1988
Process for controlling pitch deposition from pulp in papermaking systems
BETZ LABORATORIES30 citations92
US5556510ASep 17, 1996
Method for inhibiting the deposition of organic contaminants in polp and papermaking processes
BETZ LABORATORIES22 citations89
US4846933AJul 11, 1989
Process for controlling pitch deposition from pulp in papermaking systems
BETZ LABORATORIES4 citations62
BETZ PAPERCHEM INC
4 patentsUS5256253AOct 26, 1993
Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems
BETZ PAPERCHEM INC26 citations90
US5292403AMar 8, 1994
Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes
BETZ PAPERCHEM INC23 citations89
US5266166ANov 30, 1993
Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer
BETZ PAPERCHEM INC23 citations88
US5415798AMay 16, 1995
Concentrated high flash point surfactant compositions
BETZ PAPERCHEM INC5 citations61