Inventor

ROELOFS ROBERT R

US9 patents

⚠️ This page may combine multiple inventors who share the name “ROELOFS ROBERT R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG IND OHIO INC

4 patents

US5993562ANov 30, 1999

Method, composition, and kit for abrasive cleaning of fluid delivery systems

PPG IND OHIO INC40 citations87

US6694804B1Feb 24, 2004

Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid

PPG IND OHIO INC10 citations72

US7249492B2Jul 31, 2007

Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid

PPG IND OHIO INC2 citations61

US7618677B2Nov 17, 2009

Method of powder coating weldable substrates

PPG IND OHIO INC3 citations53

BASF CORP

2 patents

US4835149AMay 30, 1989

Solubilization of salts of pyridine-2-thiol-1-oxide

BASF CORP23 citations80

US4780245AOct 25, 1988

Solubilization of dimethyl polysiloxanes

BASF CORP8 citations72

BURKE JOHN J

1 patent

US5126068AJun 30, 1992

Hard surface cleaning composition containing polyacrylate copolymers as performance boosters

BURKE JOHN J76 citations94

ANCHOR MICHAEL J

1 patent

US5104563AApr 14, 1992

Low molecular weight polypropylene surfactants which interact with anionic and nonionic surfactants

ANCHOR MICHAEL J5 citations60

FREIBORNE IND INC

1 patent

US12188130B2Jan 7, 2025

Acid zinc sulfate metal pretreatment

FREIBORNE IND INC0 citations59