Inventor
Howard Allen Ketelson
Inventor
Dallas, TX, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%
A61KPreparations for medical, dental or toiletry purposes13%
A61LMethods or apparatus for sterilising materials or objects in general12%
C11DDetergent compositions11%
A01NPreservation of bodies of humans or animals or plants or parts thereof5%
A45CPurses5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
A61FFilters implantable into blood vessels3%
PatentTitleYear
10,925,892Lipid-based ophthalmic emulsion202110,828,320Ophthalmic compositions with improved dessication protection and retention202010,624,848Ophthalmic emulsion202010,611,989Treatment of beverages to reduce the effects of noxious constituents202010,584,307Use of PEO-PBO block copolymers in ophthalmic compositions202010,328,025Ophthalmic emulsion201910,151,936Contact lens packaging solutions201810,004,685Ophthalmic emulsion20189,829,723Contact lens packaging solutions20179,670,442'Treatment of beverages to reduce the effects of noxious constituents'20179,591,850'Compositions and methods for disinfecting and cleaning contact lenses'20179,574,160'Use of PEO-PBO block copolymers in ophthalmic compositions'20179,521,842'Use of PBO-PEO-PBO block copolymers in ophthalmic compositions'20169,259,472'Polymeric artificial tear system'20169,175,249'Ethyleneoxide butyleneoxide block copolymer compositions'20159,040,510'Interaction control of cationic biocides using labile anionic polyelectrolytes'20158,999,312'Use of PBO-PEO-PBO block copolymers in ophthalmic compositions'20158,846,641'Stabilized ophthalmic galactomannan formulations'20148,685,945'Polymeric artificial tear system'20148,536,325'Process for purifying guar'20138,318,144'Use of PEO-PBO block copolymers in ophthalmic compositions'20128,257,745'Use of synthetic inorganic nanoparticles as carriers for ophthalmic and otic drugs'20128,168,741'Chelating silicon-based polymers'20128,097,270'Use of nanoparticles as carriers for biocides in ophthalmic compositions'20128,093,352'Polyalkylene oxide polyquaternary ammonium biocides'20127,485,607'Compositions and methods for inhibiting protein on surfaces'20097,468,344'Compositions and methods for inhibiting protein on surfaces'20087,344,725'Use of inorganic nanoparticles to stabilize hydrogen peroxide solutions'20087,276,552'Compositions and methods for inhibiting protein on surfaces'20077,018,975'Cleaning formulation and method of cleaning a surface comprising the salt of a phosphorus-containing acid'20066,995,123'Use of multifunctional surface active agents to clean contact lenses'20066,635,613'Urea phosphate cleaning formulation and method of cleaning a surface'20036,261,543'Antiperspirant compositions'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Based in London, CA· patent location history
2003–2016Based in Fort Worth, TX, US· patent location history
2006–2021Patents assigned to ALCON INC (9)· patent assignee history
2009–2021Based in Dallas, TX, US· patent location history
2012–2020Patents assigned to ALCON RES LTD (16)· patent assignee history
2012–2017Patents assigned to KETELSON HOWARD ALLEN (10)· patent assignee history
2012–2021Patents assigned to NOVARTIS AG (6)· patent assignee history
2012–2015Patents assigned to MEADOWS DAVID L (5)· patent assignee history
2017–2020Based in Gainesville, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALCON RES LTD | 16 | 2012–2020 |
| KETELSON HOWARD ALLENself | 10 | 2012–2017 |
| ALCON INC | 9 | 2006–2021 |
| NOVARTIS AG | 6 | 2012–2021 |
| MEADOWS DAVID L | 5 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dallas, Texas, US | 22 | 2009–2021 |
| Fort Worth, Texas, US | 8 | 2003–2016 |
| Gainesville, Florida, US | 2 | 2017–2020 |
| London, CA | 1 | 2001 |