Inventor · disambiguated record
Fred D. Ehrman
Also filed as: EHRMAN FRED D · EHRMAN FRED DAVID
21 granted patents·4 pending applications·473 citations·filing 2002–2025
96Inventor score
Files withUNIVATION TECH LLC17EXXONMOBIL CHEMICAL PATENTS INC4EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY2EXXONMOBIL CHEM PATENTS INC1SANDELL DAVID J1
Top patents by PatentIndex Score
25 records- 0198US6878454B1Polyethylene filmsUNIVATION TECH LLC·Filed 2004·Granted Apr 12, 2005·75 cites·59 claims
- 0297US7595364B2High density polyethyleneUNIVATION TECH LLC·Filed 2005·Granted Sep 29, 2009·28 cites·21 claims
- 0396US6828395B1Polymerization process and control of polymer composition propertiesUNIVATION TECH LLC·Filed 2003·Granted Dec 7, 2004·71 cites·40 claims
- 0495US6753390B2Gas phase polymerization processUNIVATION TECH LLC·Filed 2003·Granted Jun 22, 2004·61 cites·45 claims
- 0591US7393916B2Method of reducing gels in polyolefinsUNIVATION TECH LLC·Filed 2005·Granted Jul 1, 2008·31 cites·22 claims
- 0691US6833417B2Processes for transitioning between chrome-based and mixed polymerization catalystsUNIVATION TECH LLC·Filed 2004·Granted Dec 21, 2004·36 cites·19 claims
- 0790US7855253B2High density polyethylene and articles made therefromUNIVATION TECH LLC·Filed 2009·Granted Dec 21, 2010·18 cites·9 claims
- 0887US6875828B2Bimodal polyolefin production process and films therefromUNIVATION TECH LLC·Filed 2003·Granted Apr 5, 2005·26 cites·45 claims
- 0986US7238756B2Polymerization process and control of polymer composition propertiesUNIVATION TECH LLC·Filed 2003·Granted Jul 3, 2007·24 cites·36 claims
- 1086US6995235B1Methods of producing polyolefins and films therefromUNIVATION TECH LLC·Filed 2005·Granted Feb 7, 2006·8 cites·18 claims
- 1185US6943134B2Bimodal polyolefin production process and films therefromUNIVATION TECH LLC·Filed 2004·Granted Sep 13, 2005·21 cites·11 claims
- 1284US6833416B2Methods of polymerizing olefin monomers with mixed catalyst systemsUNIVATION TECH LLC·Filed 2004·Granted Dec 21, 2004·26 cites·30 claims
- 1383US11274170B2Polymerization processEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Mar 15, 2022·2 cites·20 claims
- 1482US7090927B2Polyethylene filmsUNIVATION TECH LLC·Filed 2004·Granted Aug 15, 2006·18 cites·40 claims
- 1579US10377841B2Polymerization processEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Aug 13, 2019·2 cites·20 claims
- 1676US7101629B2Polyethylene filmsUNIVATION TECH LLC·Filed 2004·Granted Sep 5, 2006·10 cites·40 claims
- 1765US7838605B2Polymerization monitoring and control using improved leading indicatorsUNIVATION TECH LLC·Filed 2004·Granted Nov 23, 2010·7 cites·27 claims
- 1863US7585923B2Polymerization monitoring and method of selecting leading indicatorsUNIVATION TECH LLC·Filed 2004·Granted Sep 8, 2009·6 cites·30 claims
- 1961US2024209124A1Processes for transitioning between different polymerization catalysts in a polymerization reactorEXXONMOBIL CHEMICAL PATENTS INC·Filed 2022·Application pending·0 cites
- 2060US8058366B2Polymerization monitoring and method of selecting leading indicatorsSANDELL DAVID J·Filed 2009·Granted Nov 15, 2011·2 cites·16 claims
- 2158US2025326921A1Relating polymer molecular ensembles to polymer propertiesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2025·Application pending·0 cites
- 2254US2025329423A1Relating cross-fractionation characterizations to polymer propertiesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2025·Application pending·0 cites
- 2350US6870023B2Reactor wall coating and processesEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Mar 22, 2005·1 cites·24 claims
- 2441US2020071438A1Processes for Preparing a Catalyst System and Polymerizing OlefinsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Application pending·0 cites
- 2538US7799877B2Polymerization monitoring and control using leading indicatorsUNIVATION TECH LLC·Filed 2002·Granted Sep 21, 2010·0 cites·66 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →