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Nissanke L. Dassanayake
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Arlington, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Interaction control of cationic biocides using labile anionic polye...
Patent number
9,040,510
Issue date
May 26, 2015
Alcon Research, Ltd.
Howard Allen Ketelson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of nanoparticles as carriers for biocides in ophthalmic composi...
Patent number
8,097,270
Issue date
Jan 17, 2012
Novartis AG
Howard Allen Ketelson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyalkylene oxide polyquaternary ammonium biocides
Patent number
8,093,352
Issue date
Jan 10, 2012
Alcon Research, Ltd.
Ryan DeSousa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of bis-amines to enhance the antimicrobial activity of aqueous...
Patent number
7,871,602
Issue date
Jan 18, 2011
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of bis-amines to enhance the antimicrobial activity of aqueous...
Patent number
7,445,771
Issue date
Nov 4, 2008
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of amidoamines to treat or prevent acanthamoeba and fungal infe...
Patent number
7,025,958
Issue date
Apr 11, 2006
Alcon, Inc.
Ronald L. Schlitzer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Alkylpolypropyleneoxide amidotriamines and method of using same
Patent number
6,962,693
Issue date
Nov 8, 2005
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminobiguanides and the use thereof to disinfect contact lenses and...
Patent number
6,916,958
Issue date
Jul 12, 2005
Alcon Manufacturing, Ltd.
Joonsup Park
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Use of borate-polyol complexes in ophthalmic compositions
Patent number
6,849,253
Issue date
Feb 1, 2005
Alcon Manufacturing, Ltd.
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aminobiguanides and the use thereof to disinfect contact lenses and...
Patent number
6,664,294
Issue date
Dec 16, 2003
Alcon Manufacturing, Ltd.
Joonsup Park
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Use of borate-polyol complexes in ophthalmic compositions
Patent number
6,503,497
Issue date
Jan 7, 2003
Alcon Manufacturing, Ltd.
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of borate-polyol complexes in ophthalmic compositions
Patent number
6,365,636
Issue date
Apr 2, 2002
Alcon Manufacturing, Ltd.
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of borate-polyol complexes in ophthalmic compositions
Patent number
6,143,799
Issue date
Nov 7, 2000
Alcon Laboratories, Inc.
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of diamines to disinfect and clean contact lenses and preserve...
Patent number
5,900,213
Issue date
May 4, 1999
Alcon Laboratories, Inc.
Nissanke L. Dassanayake
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of borate-polyol complexes in ophthalmic compositions
Patent number
5,811,466
Issue date
Sep 22, 1998
Alcon Laboratories, Inc.
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of amidoamines in ophthalmic compositions
Patent number
5,631,005
Issue date
May 20, 1997
Alcon Laboratories, Inc.
Nissanke L. Dassanayake
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of diamines in ophthalmic compositions
Patent number
5,627,214
Issue date
May 6, 1997
Alcon Laboratories, Inc.
Rolf Schafer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of amidoamines in ophthalmic compositions
Patent number
5,573,726
Issue date
Nov 12, 1996
Alcon Laboratories, Inc.
Nissanke L. Dassanayake
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of diamines to disinfect and clean contact lenses
Patent number
5,415,837
Issue date
May 16, 1995
Alcon Laboratories, Inc.
Rolf Schafer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of amidoamines in ophthalmic compositions
Patent number
5,393,491
Issue date
Feb 28, 1995
Alcon Laboratories, Inc.
Nissanke L. Dassanayake
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
OPHTHALMIC SOLUTIONS WITH IMPROVED DISINFECTION PROFILES
Publication number
20110151017
Publication date
Jun 23, 2011
ALCON RESEARCH, LTD.
Howard Allen Ketelson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
N-HALOGENATED AMINO ACID FORMULATIONS AND METHODS FOR CLEANING AND...
Publication number
20110124734
Publication date
May 26, 2011
ALCON RESEARCH, LTD.
Masood A. Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
N-HALAMINE FORMULATIONS WITH ENHANCED ANTIMICROBIAL ACTIVITY
Publication number
20100303930
Publication date
Dec 2, 2010
ALCON RESEARCH, LTD.
Thomas Christopher Carey
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
POLYALKYLENE OXIDE POLYQUATERNARY AMMONIUM BIOCIDES
Publication number
20100158853
Publication date
Jun 24, 2010
Ryan DeSousa
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
INTERACTION CONTROL OF CATIONIC BIOCIDES USING LABILE ANIONIC POLYE...
Publication number
20090253800
Publication date
Oct 8, 2009
Howard Allen KETELSON
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF BIS-AMINES TO ENHANCE THE ANTIMICROBIAL ACTIVITY OF AQUEOUS...
Publication number
20090030085
Publication date
Jan 29, 2009
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Application
N-HALOGENATED AMINO ACID FORMULATIONS AND METHODS FOR CLEANING AND...
Publication number
20080275121
Publication date
Nov 6, 2008
ALCON RESEARCH, LTD.
Masood A. Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
N-HALOGENATED AMINO ACID FORMULATIONS
Publication number
20080275123
Publication date
Nov 6, 2008
ALCON RESEARCH, LTD.
Masood A. Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of bis-amines to enhance the antimicrobial activity of aqueous...
Publication number
20050154065
Publication date
Jul 14, 2005
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ALKYLPOLYPROPYLENEOXIDE AMIDOTRIAMINES AND METHOD OF USING SAME
Publication number
20050136029
Publication date
Jun 23, 2005
Alcon, Inc.
Nissanke L. Dassanayake
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Use of organic buffering agents to enhance the antimicrobial activi...
Publication number
20050124702
Publication date
Jun 9, 2005
Alcon, Inc.
Howard Allen Ketelson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of borate-polyol complexes in ophthalmic compositions
Publication number
20050074504
Publication date
Apr 7, 2005
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of nanoparticles as carriers for biocides in ophthalmic composi...
Publication number
20040241206
Publication date
Dec 2, 2004
Howard Allen Ketelson
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Aminobiguanides and the use thereof to disinfect contact lenses and...
Publication number
20040063791
Publication date
Apr 1, 2004
Joonsup Park
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Use of amidoamines to treat or prevent acanthamoeba and fungal infe...
Publication number
20040058924
Publication date
Mar 25, 2004
Ronald L. Schlitzer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of borate-polyol complexes in ophthalmic compositions
Publication number
20030130207
Publication date
Jul 10, 2003
Masood Chowhan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Use of borate-polyol complexes in ophthalmic compositions
Publication number
20020098160
Publication date
Jul 25, 2002
Masood Chowhan
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC