Inventor
Charles Hayes Powell
Inventor
Irvine, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general31%
A45CPurses13%
C07CAcyclic or carbocyclic compounds13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C11DDetergent compositions13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
PatentTitleYear
9,439,990'Leak-proof contact lens container'20167,105,473'Compositions and methods using sub-PPM combinations of polyquaternium-1 and high molecular weight PHMB'20066,930,077'Compositions and methods using sub-PPM combinations of polyquaternium-1 and high molecular weight PHMB'20055,854,303'Polymer, article and method for inhibiting the growth of ocular pathogens in eye care products'19985,739,178'Polymer, article and method for inhibiting the growth of ocular pathogens in eye care products'19985,605,667'Apparatus for disinfecting a contact lens and detecting the presence of an oxidative disinfectant'19975,531,963'Method for disinfecting a contact lens and detecting the presence of an oxidative disinfectant'19964,733,965'Automated system for spectro-photometric analysis of liquids'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to BURROUGHS WELLCOME CO (1)· patent assignee history
1988Based in Winterville, NC, US· patent location history
1996–1998Patents assigned to ALLERGAN INC (3)· patent assignee history
1996–2016Based in Irvine, CA, US· patent location history
1998Patents assigned to ALLERGAN SALES INC (1)· patent assignee history
2005–2006Patents assigned to ADVANCED MEDICAL OPTICS INC (2)· patent assignee history
2016Patents assigned to ABBOTT MEDICAL OPTICS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALLERGAN INC | 3 | 1996–1998 |
| ADVANCED MEDICAL OPTICS INC | 2 | 2005–2006 |
| ABBOTT MEDICAL OPTICS INC | 1 | 2016 |
| ALLERGAN SALES INC | 1 | 1998 |
| BURROUGHS WELLCOME CO | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 7 | 1996–2016 |
| Winterville, NC, US | 1 | 1988 |