Inventor
FREESE DONALD T
US16 patents
⚠️ This page may combine multiple inventors who share the name “FREESE DONALD T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BETZ LABORATORIES
10 patentsUS5518629AMay 21, 1996
Methods for controlling scale formation in acqueous systems
BETZ LABORATORIES63 citations94
US5489666AFeb 6, 1996
Control of scale formation in aqueous systems
BETZ LABORATORIES23 citations92
US5378372AJan 3, 1995
Control of scale formation in aqueous systems
BETZ LABORATORIES26 citations92
US5271862ADec 21, 1993
Inhibition of silica and silicate deposition in cooling water systems
BETZ LABORATORIES32 citations92
US5158685AOct 27, 1992
Inhibition of silica and silicate deposition in cooling water systems
BETZ LABORATORIES25 citations92
US5518630AMay 21, 1996
Method for controlling scale formation and deposition
BETZ LABORATORIES10 citations73
US5378390AJan 3, 1995
Composition for controlling scale formation in aqueous systems
BETZ LABORATORIES13 citations72
US5326478AJul 5, 1994
Methods for controlling scale formation in aqueous systems
BETZ LABORATORIES10 citations72
US5401323AMar 28, 1995
Method for removing clay deposits from cooling water systems
BETZ LABORATORIES7 citations71
US5401311AMar 28, 1995
Method for removing deposits from cooling water systems
BETZ LABORATORIES14 citations71
BETZDEARBORN INC
5 patentsUS5575920ANov 19, 1996
Method of inhibiting scale and controlling corrosion in cooling water systems
BETZDEARBORN INC55 citations96
US5616278AApr 1, 1997
Inhibition of scale and corrosion in aqueous systems
BETZDEARBORN INC20 citations92
US6099755AAug 8, 2000
Method and composition for inhibiting scale and controlling corrosion in cooling water systems
BETZDEARBORN INC17 citations91
US5866013AFeb 2, 1999
Method for inhibiting scale and controlling corrosion in cooling water systems
BETZDEARBORN INC34 citations91
US5866032AFeb 2, 1999
Composition for controlling scale formation in aqueous systems
BETZDEARBORN INC30 citations89