Inventor
RODZEWICH EDWARD A
US23 patents
⚠️ This page may combine multiple inventors who share the name “RODZEWICH EDWARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BETZ LABORATORIES
10 patentsUS5545347AAug 13, 1996
Low phosphorous, low etch cleaner and method
BETZ LABORATORIES18 citations82
US5494594AFeb 27, 1996
Metal surface treatments
BETZ LABORATORIES6 citations73
US5470613ANov 28, 1995
Composition and method of forming a black no-rinse conversion coating on metal surfaces
BETZ LABORATORIES7 citations73
US5468412ANov 21, 1995
Low foaming aqueous cleaning and passivating treatment for metals
BETZ LABORATORIES13 citations73
US5441572AAug 15, 1995
Ambient cleaners for aluminum
BETZ LABORATORIES6 citations73
US5472630ADec 5, 1995
Low phosphorous, low etch cleaner and method
BETZ LABORATORIES4 citations62
US5464484ANov 7, 1995
Oil splitting aluminum cleaner and method
BETZ LABORATORIES5 citations62
US5441773AAug 15, 1995
Composition and method of forming a black no-rinse conversion coating on metal surfaces
BETZ LABORATORIES6 citations62
US5354494AOct 11, 1994
Reactive silane composition and process for enhanced drainage of residual aqueous rinse on the external surfaces of plastic parts
BETZ LABORATORIES2 citations61
US5518640AMay 21, 1996
Metal working emulsion cleaner
BETZ LABORATORIES1 citations52
BETZDEARBORN INC
7 patentsUS5801217ASep 1, 1998
Chromium-free conversation coating and methods of use
BETZDEARBORN INC31 citations92
US5693371ADec 2, 1997
Method for forming chromium-free conversion coating
BETZDEARBORN INC19 citations92
US5614028AMar 25, 1997
Method of cleaning and passivating a metal surface with acidic system and ethoxylated tertiary dodecyl mercaptan
BETZDEARBORN INC15 citations73
US6136220AOct 24, 2000
Compositions for treating paint spray booth water
BETZDEARBORN INC8 citations72
US5985154ANov 16, 1999
Methods and compositions for treating paint spray booth water
BETZDEARBORN INC5 citations72
US5720902AFeb 24, 1998
Methods and compositions for inhibiting low carbon steel corrosion
BETZDEARBORN INC9 citations69
US5668096ASep 16, 1997
Cleaning and passivating treatment for metals
BETZDEARBORN INC6 citations61
AMCHEM PROD
3 patentsUS3992313ANov 16, 1976
Acid inhibitor composition and process in hydrofluoric acid chemical cleaning
AMCHEM PROD31 citations77
US3975215AAug 17, 1976
Cleaner for tin plated ferrous metal surfaces
AMCHEM PROD9 citations73
US4104303AAug 1, 1978
Acid inhibitor composition and process in hydrofluoric acid chemical cleaning
AMCHEM PROD14 citations69