Inventor
PARRISH JOHN R
US15 patents
⚠️ This page may combine multiple inventors who share the name “PARRISH JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNION CARBIDE CHEM PLASTIC
5 patentsUS5627242AMay 6, 1997
Process for controlling gas phase fluidized bed polymerization reactor
UNION CARBIDE CHEM PLASTIC325 citations98
US5589630ADec 31, 1996
Fast gas chromatography method, apparatus and applications
UNION CARBIDE CHEM PLASTIC31 citations88
US5437179AAug 1, 1995
Fast gas chromatography method, apparatus and applications
UNION CARBIDE CHEM PLASTIC34 citations88
US6846884B2Jan 25, 2005
Control of resin properties
UNION CARBIDE CHEM PLASTIC10 citations67
US7625987B2Dec 1, 2009
Gas phase polymerization and method of controlling same
UNION CARBIDE CHEM PLASTIC1 citations40
UNIVATION TECH LLC
3 patentsUS6988022B2Jan 17, 2006
Method for online estimation of reactor split for multimodal polyolefins
UNIVATION TECH LLC22 citations87
US9023958B2May 5, 2015
Methods and systems for catalyst delivery
UNIVATION TECH LLC2 citations60
US7343225B2Mar 11, 2008
Method for reducing off-grade product production during reaction transitions
UNIVATION TECH LLC6 citations58
PARRISH JOHN R
3 patentsDOW GLOBAL TECHNOLOGIES LLC
3 patentsUS8742035B2Jun 3, 2014
Method of controlling a polymerization reactor
DOW GLOBAL TECHNOLOGIES LLC2 citations59
US8354481B2Jan 15, 2013
Method of controlling a polymerization reactor
DOW GLOBAL TECHNOLOGIES LLC3 citations59
US8032328B2Oct 4, 2011
Process monitoring technique and related actions
DOW GLOBAL TECHNOLOGIES LLC6 citations56