Gretchen L. Holtzer

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Layton, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
High viscosity high quality group II lube base stocks
- Patent number 9,487,723
- Issue date Nov 8, 2016
- ExxonMobil Research and Engineering Company
- Gretchen L. Holtzer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION OF LUBRICANT BASE OILS FROM DILUTE ETHYLENE FEEDS
- Publication number 20140275669
- Publication date Sep 18, 2014
- ExxonMobil Research and Engineering Company
- Michel Daage
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HIGH VISCOSITY HIGH QUALITY GROUP II LUBE BASE STOCKS
- Publication number 20130264246
- Publication date Oct 10, 2013
- ExxonMobil Research and Engineering Company
- Gretchen L. Holtzer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL