Inventor

ZILLMER ROGER C

US5 patents

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

CITIES SERVICE OIL & GAS

3 patents

US4643255AFeb 17, 1987

Gel and process for preventing loss of circulation, and combination process for enhanced recovery

CITIES SERVICE OIL & GAS81 citations95

US4673038AJun 16, 1987

Gel and process for preventing carbon dioxide break through

CITIES SERVICE OIL & GAS30 citations91

US4796700AJan 10, 1989

Process for retarding fluid flow

CITIES SERVICE OIL & GAS23 citations81

ECOLAB INC

2 patents

US5698513ADec 16, 1997

Urea-based solid cleaning compositions free from or containing minor amounts of water

ECOLAB INC59 citations93

US5674831AOct 7, 1997

Method of making urea-based solid cleaning compositions

ECOLAB INC90 citations93