Inventor

Dwayne T. Friesen

Inventor

Bend, OR, US

Overview

1985–2021

Patent span

Human necessities

Primary field (CPC A)

Patents· 99 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes27%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%

B01DSeparation16%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C01BNon-metallic elements3%

C08BPolysaccharides2%

C08LCompositions of macromolecular compounds2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

PatentTitleYear

11,116,728Multiparticulates of spray-coated drug and polymer on a meltable core2021 10,675,602Spray-drying process2020 10,653,168Oral rehydration solution with improved taste2020 10,471,152Colloidal dispersion comprising HPMCAS2019 10,383,941Spray drying processes for forming solid amorphous dispersions of drugs and polymers2019 10,357,455Pharmaceutical compositions of amorphous dispersions of drugs and lipophilic microphase-forming materials2019 10,357,462Multiparticulates of spray-coated drug and polymer on a meltable core2019 10,300,443Spray-drying process2019 RE047033Pharmaceutical compositions of adsorbates of amorphous drugs and lipophilic microphase-forming materials2018 9,757,464'Pharmaceutical compositions of dextran polymer derivatives'2017 9,724,664'Spray-drying process'2017 9,486,410'Pharmaceutical compositions of amorphous dispersions of drugs and lipophilic microphase-forming materials'2016 9,468,604'Pharmaceutical compositions of dispersions of drug and neutral polymers'2016 9,457,095'Pharmaceutical compositions providing enhanced drug concentrations'2016 9,445,998'Pharmaceutical dosage forms comprising a low-solubility drug and a polymer'2016 9,387,252'Pharmaceutical compositions with enhanced performance'2016 9,358,478'Spray-drying apparatus and methods of using the same'2016 9,248,584'High-temperature spray drying process and apparatus'2016 9,211,261'Immediate release dosage forms containing solid drug dispersions'2015 9,084,976'Spray-drying apparatus and methods of using the same'2015 9,040,033'Hydroxypropyl methyl cellulose acetate succinate with enhanced acetate and succinate substitution'2015 9,028,870'Hydrogel-driven drug dosage form'2015 9,023,393'Pharmaceutical compositions of adsorbates of amorphous drugs and lipophilic microphase-forming materials'2015 8,980,321'Pharmaceutical compositions providing enhanced drug concentrations'2015 8,974,823'Solid compositions of low-solubility drugs and poloxamers'2015 8,940,800'Pharmaceutical compositions with enhanced performance'2015 8,883,209'Pharmaceutical solid dispersions'2014 8,828,442'Pharmaceutical solid dispersions'2014 8,828,438'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors and HMG-CoA reductase'2014 8,815,294'Pharmaceutical compositions of dextran polymer derivatives and a carrier material'2014 8,796,341'Pharmaceutical compositions providing enhanced drug concentrations'2014 8,703,196'Pharmaceutical compositions of dispersions of amorphous drugs mixed with polymers'2014 8,703,199'Pharmaceutical compositions of adsorbates of amorphous drug'2014 8,685,458'Pharmaceutical compositions of dextran polymer derivatives'2014 8,617,604'Pharmaceutical compositions with enhanced performance'2013 8,501,231'Pharmaceutical compositions providing enhanced drug concentrations'2013 8,491,933'Pharmaceutical compositions of semi-ordered drugs and polymers'2013 8,481,081'Pharmaceutical solid dispersions'2013 8,389,011'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors'2013 8,389,006'Pharmaceutical compositions of adsorbates of amorphous drug'2013 8,257,739'Pharmaceutical compositions of semi-ordered drugs and polymers'2012 8,236,328'Pharmaceutical compositions of dispersions of amorphous drugs mixed with polymers'2012 8,236,349'Taste-masked drugs in rupturing multiparticulates'2012 8,207,232'Pharmaceutical compositions with enhanced performance'2012 8,202,912'Pharmaceutical compositions providing enhanced drug concentrations'2012 8,197,848'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors'2012 8,173,142'Pharmaceutical compositions of drugs and neutralized acidic polymers'2012 8,147,872'Pharmaceutical compositions of drugs and neutralized acidic polymers'2012 8,048,452'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitor'2011 8,026,286'Pharmaceutical compositions providing enhanced drug concentrations'2011 7,951,403'Method of making pharmaceutical multiparticulates'2011 7,897,175'Dosage forms comprising a CETP inhibitors and an HMG-CoA reductase inhibitor'2011 7,887,844'Multiparticulate crystalline drug compositions having controlled release profiles'2011 7,887,840'Pharmaceutical compositions comprising drug and concentration-enhancing polymers'2011 7,736,672'Multiparticulate compositions with improved stability'2010 7,625,507'Extrusion process for forming chemically stable drug multiparticulates'2009 7,611,630'Method and device for evaluation of pharmaceutical compositions'2009 7,235,259'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors'2007 7,235,260'Pharmaceutical compositions of a sparingly soluble glycogen phosphorylase inhibitor'2007 7,115,279'Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors'2006 6,986,844'Solvent-resistant microporous polybenzimidazole membranes and modules'2006 6,984,403'Azithromycin dosage forms with reduced side effects'2006 6,899,896'Hydrogel-driven layered drug dosage form'2005 6,793,820'Ethylene-vinyl alcohol hollow fiber membranes'2004 6,623,639'Solvent-resistant microporous polybenzimidazole membranes'2003 6,517,866'Sertraline salts and sustained-release dosage forms of sertraline'2003 6,221,319'Plasma discharge reactors for the preparation of bioactive compounds'2001 6,136,222'Liquid absorbent solutions for separating nitrogen from natural gas'2000 6,077,457'Liquid absorbent solutions for separating nitrogen from natural gas'2000 6,059,857'Ultrapurification of organic solvents'2000 5,843,209'Vapor permeation system'1998 5,772,855'Preparation of bioactive compounds by plasma synthesis'1998 5,753,008'Solvent resistant hollow fiber vapor permeation membranes and modules'1998 5,725,769'Solvent-resistant microporous polymide membranes'1998 5,681,433'Membrane dehydration of vaporous feeds by countercurrent condensable sweep'1997 5,611,842'Organic and inorganic vapor permeation by countercurrent condensable sweep'1997 5,582,725'Chlorine-resistant composite membranes with high organic rejection'1996 5,565,153'Process of making polyvinylidene fluoride membranes'1996 5,516,745'Nitrogen sorption'1996 5,494,989'Acetylenic copolymers and membranes thereof'1996 5,476,590'Hydrophilic polyvinylidene fluoride membranes'1995 5,464,540'Pervaporation by countercurrent condensable sweep'1995 5,266,283'Sterically hindered, regenerable Schiff base complexes, solutions thereof and process using the same'1993 5,236,474'Membrane-based removal of condensable vapors'1993 5,225,174'Nitrogen sorption'1993 5,217,506'Hydrogen-permeable composite metal membrane and uses thereof'1993 5,120,505'Chemical sensors'1992 5,108,464'Countercurrent dehydration by hollow fibers'1992 5,028,394'Chemical sensors'1991 5,002,590'Countercurrent dehydration by hollow fibers'1991 4,948,476'Hybrid chromium recovery process'1990 4,883,593'Ultrathin-skinned asymmetric membranes by immiscible solvents treatment'1989 4,877,528'Siloxane-grafted membranes'1989 4,876,287'Selective ion-complexing media for the removal of metal-ion contaminants from plating baths'1989 4,824,443'Gas separation by composite solvent-swollen membranes'1989 4,781,733'Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers'1988 4,737,166'Acid gas scrubbing by composite solvent-swollen membranes'1988 4,702,838'Selective and continuous removal of metal-ion contaminants from plating baths'1987 4,515,906'Anisotropic microporous supports impregnated with polymeric ion-exchange materials'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2021Patents assigned to BEND RES INC (81)· patent assignee history

1985–2021Based in Bend, OR, US· patent location history

2006–2017Patents assigned to FRIESEN DWAYNE T (27)· patent assignee history

2006–2016Patents assigned to SHANKER RAVI M (18)· patent assignee history

2006–2014Patents assigned to NIGHTINGALE JAMES A S (10)· patent assignee history

2012–2016Patents assigned to BABCOCK WALTER C (15)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEND RES INC	81	1985–2021
FRIESEN DWAYNE Tself	27	2006–2017
SHANKER RAVI M	18	2006–2016
BABCOCK WALTER C	15	2012–2016
NIGHTINGALE JAMES A S	10	2006–2014

Locations

Location	Patents	Span
Bend, OR, US	99	1985–2021