Inventor
KNIFTON JOHN FREDERICK
US22 patents
⚠️ This page may combine multiple inventors who share the name “KNIFTON JOHN FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
14 patentsUS6576802B2Jun 10, 2003
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
SHELL OIL CO14 citations83
US6469222B2Oct 22, 2002
One step process for preparing A 1,3-diol
SHELL OIL CO10 citations72
US6903044B2Jun 7, 2005
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand
SHELL OIL CO2 citations62
US6753289B2Jun 22, 2004
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
SHELL OIL CO2 citations62
US6750373B2Jun 15, 2004
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst
SHELL OIL CO3 citations62
US6660892B2Dec 9, 2003
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction
SHELL OIL CO2 citations62
US6586643B2Jul 1, 2003
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand
SHELL OIL CO2 citations62
US6545190B2Apr 8, 2003
One step process for preparing a 1,3-diol
SHELL OIL CO5 citations62
US6706656B2Mar 16, 2004
One step process for preparing a 1,3-diol
SHELL OIL CO2 citations61
US6518466B2Feb 11, 2003
One step process for preparing a 1,3-diol
SHELL OIL CO1 citations61
US6468940B1Oct 22, 2002
One step process for preparing a 1,3-diol
SHELL OIL CO2 citations61
US7115540B2Oct 3, 2006
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction
SHELL OIL CO0 citations52
US7538061B2May 26, 2009
One-step production of 1,3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst
SHELL OIL CO0 citations51
US7276634B2Oct 2, 2007
Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol
SHELL OIL CO1 citations48
HUNTSMAN SPEC CHEM CORP
6 patentsUS5811597ASep 22, 1998
Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol
HUNTSMAN SPEC CHEM CORP33 citations89
US5811620ASep 22, 1998
Use of reactive distillation in the dehydration of tertiary butyl alcohol
HUNTSMAN SPEC CHEM CORP34 citations89
US5856588AJan 5, 1999
Two-stage etherification of tertiary butyl alcohol using second stage zeolite catalysts for the intermediate preparation of isobutylene
HUNTSMAN SPEC CHEM CORP14 citations73
US5741952AApr 21, 1998
Catalytic decomposition of peroxides to purify a methyl tertiary butyl ether recycle stream
HUNTSMAN SPEC CHEM CORP5 citations61
US5792890AAug 11, 1998
Method for the purification of tertiary butyl alcohol for use in the manufacture of methyl tertiary butyl ether
HUNTSMAN SPEC CHEM CORP5 citations60
US5939592AAug 17, 1999
Methods for decomposing esters and purifying alcohols
HUNTSMAN SPEC CHEM CORP3 citations59