HE

Howard F. Efner

PP Phillips Petroleum: 36 patents #25 of 1,401Top 2%
Overall (All Time): #95,151 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
6124383 Cement composition and process therewith Michael L. Stephens 2000-09-26
5932671 Polymerization process Earl Clark, Jr., Michael L. Stephens 1999-08-03
5661200 Glass-reinforced silane, carboxylic acid or anhydride-grafted branched alpha-olefin polymers with epoxy resin Edwin Boudreaux, Jr., Mary J. Hagenson 1997-08-26
5583180 Glass-reinforced branched higher alpha-olefin polymers Edwin Boudreaux, Jr., Mary J. Hagenson 1996-12-10
5565517 Synthesis of organic polysulfide polymers James E. Shaw 1996-10-15
5559271 Organic polysulfide compositions having reduced odor James E. Shaw 1996-09-24
5545714 Oxidation of dimercaptans to organic disulfide polymers James E. Shaw, William E. Sattich 1996-08-13
5536706 Use of butadiene-styrene copolymers in crude oils Lyle R. Kallenbach, Marvin M. Johnson 1996-07-16
5514736 Glass-reinforced branched higher alpha-olefin polymers Edwin Boudreaux, Jr., Mary J. Hagenson 1996-05-07
5464931 Oxidation of dimercaptans to organic disulfide polymers James E. Shaw, William E. Sattich 1995-11-07
5430079 Glass-reinforced grafted branched higher alpha-olefin polymers Edwin Boudreaux, Jr., Mary J. Hagenson 1995-07-04
5403502 Lubricating additive comprising a molybdenum (VI) hydroxymercaptide 1995-04-04
5347018 Process for producing sulfolane compounds Earl Clark, Jr., Jimmie J. Straw 1994-09-13
5308893 Glass-reinforced grafted branched higher alpha-olefin polymers Mary J. Hagenson, Edwin Boudreaux, Jr. 1994-05-03
5245000 Poly(arylene sulfide) polymer containing sulfone, ether and biphenyl groups Rex L. Bobsein, Jon F. Geibel 1993-09-14
5213785 Continuous antimony pentoxide production Denton C. Fentress, Kent E. Mitchell, Don W. Godbehere, Larry S. Maddox, Richard E. Lowery 1993-05-25
5194506 Polyethylene terephthalate compositions with arylene sulfide random copolymers Michael C. Yu, Ray D. Ramsay 1993-03-16
5179193 Branched aromatic sulfide sulfone polymer production Rex L. Bobsein 1993-01-12
5091457 Polyethylene terephthalate molding compositions 1992-02-25
5079079 Reinforced plastic comprising an arylene sulfide sulfone copolymer matrix Mark L. Stone, Rex L. Bobsein 1992-01-07
5068274 Secondary amides in polyethylene terephthalate molding compositions 1991-11-26
5045367 Reinforced plastic comprising fibrous reinforcement treated with poly(arylene sulfide sulfone) polymer containing ether groups Rex L. Bobsein, Jon F. Geibel, Mark L. Stone 1991-09-03
5030680 Rapidly crystallizing polyethylene terephthalate blends Charles R. Wilder 1991-07-09
5028649 Polyethylene terephthalate molding compounds with sodium stearate and polyester amides 1991-07-02
5011957 Antimony mercaptide esters and methods of preparing the same 1991-04-30