WT

William J. Trepka

PP Phillips Petroleum: 24 patents #52 of 1,401Top 4%
Overall (All Time): #175,993 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6265484 Tapered block copolymers of monovinylarenes and conjugated dienes George A. Moczygemba, Nathan E. Stacy, Ralph C. Farrar 2001-07-24
6265485 Tapered block copolymers of monovinylarenes and conjugated dienes George A. Moczygemba, Nathan E. Stacy, Ralph C. Farrar 2001-07-24
5910546 Tapered block copolymers of monivinylarenes and conjugated dienes George A. Moczygemba, Nathan E. Stacy, Ralph C. Farrar 1999-06-08
5705569 Block copolymers of monovinylarenes and conjugated dienes and preparation thereof George A. Moczygemba, Larry L. Nash, Craig D. DePorter, Nathan E. Stacy, Ralph C. Farrar +1 more 1998-01-06
5587425 Blends of copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks George A. Moczygemba, Nancy R. Knight, Nathan E. Stacy 1996-12-24
5545690 Tapered block copolymers of monovinylarenes and conjugated dienes George A. Moczygemba, Nathan E. Stacy, Ralph C. Farrar 1996-08-13
5436298 Block copolymers of monovinylarenes and conjugated dienes and preparation thereof George A. Moczygemba, Larry L. Nash, Craig D. DePorter, Nathan E. Stacy, Ralph C. Farrar +1 more 1995-07-25
5422389 Method for stabilizing monovinylarene/conjugated diene copolymers and a method for preparing a stabilizing mixture Larry L. Nash, John R. Bohannan, Nathan E. Stacy, George A. Moczygemba, Craig D. DePorter +2 more 1995-06-06
5399628 Block copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks George A. Moczygemba, Nancy R. Knight, Nathan E. Stacy 1995-03-21
5384349 Conjugated diene/monovinylarene copolymers and preparation thereof Nathan E. Stacy, George A. Moczygemba 1995-01-24
5319033 Tapered block monovinyl aromatic/conjugated diene copolymer George A. Moczygemba, Ralph C. Farrar 1994-06-07
5270396 Sequential coupling in formation of resinous block copolymers Ralph C. Farrar, George A. Moczygemba 1993-12-14
5256736 Tapered block copolymers of conjugated dienes and monovinylarenes George A. Moczygemba, Ralph C. Farrar 1993-10-26
5227419 Tapered block styrene/butadiene copolymers George A. Moczygemba 1993-07-13
5130377 Tapered block styrene/butadiene copolymers George A. Moczygemba, Ralph C. Farrar 1992-07-14
RE32533 Hydrocarbon fuels with carburetor detergent properties Richard Sonnenfeld 1987-10-27
4471099 Treatment of a hydrogenated polymer solution after hydrogenation catalyst removal to improve subsequent lithiation reaction 1984-09-11
4418234 Viscosity index improver soluble in synthetic poly(.alpha.-olefin) lubricants Sidney Schiff 1983-11-29
4412087 Viscosity index improver with high thickening power 1983-10-25
4402844 Viscosity index improvers with dispersant properties prepared by reaction of lithiated hydrogenated copolymers with substituted aminolactams 1983-09-06
4402843 Viscosity index improvers with dispersant properties prepared by reaction of lithiated hydrogenated copolymers with 4-substituted aminopyridines 1983-09-06
4297464 Orthoesters as coupling agents for producing monovinylarene homopolymers 1981-10-27
4238202 Hydrocarbon fuels with carburetor detergent properties Richard Sonnenfeld 1980-12-09
4238576 Orthoesters as coupling agents for producing novel polymers 1980-12-09