DF

Dan Fraenkel

MT Matheson Tri-Gas: 15 patents #4 of 47Top 9%
CO Conocophillips: 3 patents #201 of 954Top 25%
YC Yeda Research And Development Co.: 2 patents #328 of 1,403Top 25%
RE Rentech: 1 patents #25 of 35Top 75%
RU Res Usa: 1 patents #29 of 39Top 75%
UD University Of Delaware: 1 patents #226 of 660Top 35%
📍 Boulder, CO: #249 of 5,018 inventorsTop 5%
🗺 Colorado: #1,507 of 40,980 inventorsTop 4%
Overall (All Time): #173,802 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
10086365 Strengthened iron catalyst for slurry reactors Belma Demirel, Charles B. Benham, Richard A. Bley, Jesse W. Taylor, Sara L. Rolfe +1 more 2018-10-02
7915193 Method for activating strengthened iron catalyst for slurry reactors Belma Demirel, Charles B. Benham, Richard A. Bley, Jesse W. Taylor, Bahman Rejai +2 more 2011-03-29
7276540 Supports for high surface area catalysts Rafael Espinoza, Kevin Coy 2007-10-02
7163963 Chemically and thermally stabilized alumina for Fischer-Tropsch catalysts 2007-01-16
7033418 Method and materials for purifying hydride gases, inert gases, and non-reactive gases Tadaharu Watanabe 2006-04-25
6974842 Process for catalyst recovery from a slurry containing residual hydrocarbons Michael D. Spena, Doug Jack 2005-12-13
6824589 Materials and methods for the purification of inert, nonreactive, and reactive gases Tadaharu Watanabe, Robert Torres, Jr. 2004-11-30
6797036 Method for removing impurities from process gas stream Hans H. Funke, Virginia H. Houlding 2004-09-28
6783576 Gas purifier system for removing trace impurities from a reactive fluid Hans H. Funke, Virginia H. Houlding 2004-08-31
6783577 Gas purifier system containing an ultra-low emission carbon material Hans H. Funke, Virginia H. Houlding 2004-08-31
6733734 Materials and methods for the purification of hydride gases Tadaharu Watanabe 2004-05-11
6720282 Method for producing a preconditioned ultra-low emission carbon material Hans H. Funke, Virginia H. Houlding 2004-04-13
6710012 Method for producing an ultra-low emission carbon material Hans H. Funke, Virginia H. Houlding 2004-03-23
6709482 Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material Hans H. Funke, Virginia H. Houlding 2004-03-23
6547861 Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon material Hans H. Funke, Virginia H. Houlding 2003-04-15
6526803 Apparatus and method for generating moisture standards in gases Gerald Cooper 2003-03-04
6461411 Method and materials for purifying hydride gases, inert gases, and non-reactive gases Tadaharu Watanabe 2002-10-08
6425946 Method and apparatus for removing trace impurities from a gas using superactivated carbon material Hans H. Funke, Virginia H. Houlding 2002-07-30
6395070 Methods for removal of impurity metals from gases using low metal zeolites Paul M. Bhadha, Tadaharu Watanabe 2002-05-28
6110258 Methods for removal of water from gases using superheated zeolites Hans H. Funke, Gerald Cooper 2000-08-29
5565399 Co oxidation promoter and use thereof for catalytic cracking Inez L. Moselle 1996-10-15
4962255 Catalysts and process for the production of hydrocarbons and substitution of hydrocarbons Moshe Levy, Baruch Ittah, Margaret Cherniavsky 1990-10-09
4593137 Para-selective and beta-selective crystallized glass zeolite alkylation catalyst Moshe Levy, Margaret Cherniavsky 1986-06-03
4294725 Catalyst, method for catalyst manufacture and use Bruce C. Gates 1981-10-13