Ralph M. DiGuilio

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Round Rock, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production and purification of propylene glycol
- Patent number 8,664,448
- Issue date Mar 4, 2014
- Huntsman Petrochemical LLC
- Srinivasa Godavarthy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane
- Patent number 7,304,183
- Issue date Dec 4, 2007
- Huntsman Petrochemical Corporation
- Wei-Yang Su
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization-inhibited distillation
- Patent number 6,673,212
- Issue date Jan 6, 2004
- Huntsman Petrochemical Corporation
- James R. Machac
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of alkylene carbonates
- Patent number 6,476,237
- Issue date Nov 5, 2002
- Huntsman Petrochemical Corporation
- James R. Machac
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective production of diethanolamine
- Patent number 6,075,168
- Issue date Jun 13, 2000
- Huntsman Petrochemical Corporation
- Ralph M. DiGuilio
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of diethanolamine
- Patent number 6,063,965
- Issue date May 16, 2000
- Huntsman Petrochemical Corporation
- Dennis M. Nygaard
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION OF DI(AMINOACETONITRILE)S
- Publication number 20110207873
- Publication date Aug 25, 2011
- Huntsman Petrochemical LLC
- Ralph M DiGuilio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE PRODUCTION AND PURIFICATION OF PROPYLENE GLYCOL
- Publication number 20110112335
- Publication date May 12, 2011
- Huntsman Petrochemical LLC
- Srinivasa Godavarthy
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane
- Publication number 20060135814
- Publication date Jun 22, 2006
- Huntsman Petrochemical Corporation
- Wei-Yang Su
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymerization-inhibited distillation
- Publication number 20020179426
- Publication date Dec 5, 2002
- Huntsman Petrochemical Corporation
- James R. Machac
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Purification of alkylene carbonates
- Publication number 20020082430
- Publication date Jun 27, 2002
- Huntsman Petrochemical Corporation
- James R. Machac
- C07 - ORGANIC CHEMISTRY