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QUADRA LOGIC TECHNOLOGIES, INC
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VANCOUVER, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for eradicating contaminants using photoactive...
Patent number
5,868,695
Issue date
Feb 9, 1999
Baxter International Inc.
Ludwig Wolf
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for selectively reducing activated leukocyte cell population
Patent number
5,807,881
Issue date
Sep 15, 1998
Quadra Logic Technologies, Inc.
Simon Leong
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of green porphyrins to treat neovasculature in the eye
Patent number
5,798,349
Issue date
Aug 25, 1998
The General Hospital Corporation
Julia Levy
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Green porphyrins as immunomodulators
Patent number
5,789,433
Issue date
Aug 4, 1998
Quadra Logic Technologies, Inc.
Agnes How-Ching Chan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Selective cell inactivation in blood
Patent number
5,776,966
Issue date
Jul 7, 1998
University of British Columbia
Janice North
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Transcutaneous in vivo activation of photosensitive agents in blood
Patent number
5,736,563
Issue date
Apr 7, 1998
Quadra Logic Technologies, Inc.
Anna M. Richter
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Transcutaneous in vivo activation of photosensitive agents in blood
Patent number
5,484,803
Issue date
Jan 16, 1996
Quadra Logic Technologies Inc.
Anna M. Richter
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method to inhibit restenosis
Patent number
5,422,362
Issue date
Jun 6, 1995
Quadra Logic Technologies, Inc.
G. Michael Vincent
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for inactivating pathogens in erythrocytes using photoactive...
Patent number
5,360,734
Issue date
Nov 1, 1994
Baxter International, Inc.
John Chapman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Compositions for photodynamic therapy
Patent number
5,238,940
Issue date
Aug 24, 1993
Quadra Logic Technologies Inc.
Daniel Liu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Stable freeze-dried polyhematoporphyrin ether/ester
Patent number
5,059,619
Issue date
Oct 22, 1991
Quadra Logic Technologies, Inc.
Bruce E. Haeger
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Compositions for photodynamic therapy
Patent number
5,053,423
Issue date
Oct 1, 1991
Quadra Logic Technologies Inc.
Daniel Liu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Membrane-supported immunoassays
Patent number
4,874,691
Issue date
Oct 17, 1989
Quadra Logic Technologies Inc.
Howard Chandler
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
74611667 - INTERNATIONAL PHOTODYNAMICS
Serial number
74611667
Registration number
2068086
Filing date
Dec 15, 1994
Quadra Logic Technologies Inc.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74215222 - FLUOROPROBE
Serial number
74215222
Registration number
1706505
Filing date
Oct 22, 1991
QUADRA LOGIC TECHNOLOGIES, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74132664 - IMAGIN
Serial number
74132664
Filing date
Jan 23, 1991
QUADRA LOGIC TECHNOLOGIES, INC.
5 - Pharmaceutical and veterinary preparations
Information
Trademark
74126347 - QUADRA LOGIC
Serial number
74126347
Filing date
Dec 20, 1990
QUADRA LOGIC TECHNOLOGIES, INC.
5 - Pharmaceutical and veterinary preparations
Information
Trademark
74126182 - QLT INC.
Serial number
74126182
Registration number
2046175
Filing date
Dec 20, 1990
QUADRA LOGIC TECHNOLOGIES, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74126348 - QLT PHARMACEUTICALS
Serial number
74126348
Filing date
Dec 20, 1990
QUADRA LOGIC TECHNOLOGIES, INC.
5 - Pharmaceutical and veterinary preparations
Information
Trademark
74096836 - FLUOROFRIN
Serial number
74096836
Filing date
Sep 13, 1990
QUADRA LOGIC TECHNOLOGIES, INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74071257 - LUMIN-G
Serial number
74071257
Filing date
Jun 21, 1990
QUADRA LOGIC TECHNOLOGIES, INC.
5 - Pharmaceutical and veterinary preparations
Information
Trademark
74001383 - QUADRILLUME
Serial number
74001383
Filing date
Nov 16, 1989
QUADRA LOGIC TECHNOLOGIES, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
73765618 - QLT PHOTOTHERAPEUTICS
Serial number
73765618
Registration number
1595160
Filing date
Nov 25, 1988
QUADRA LOGIC TECHNOLOGIES INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
73764443 - ABSOLUTE
Serial number
73764443
Registration number
1583267
Filing date
Nov 18, 1988
QUADRA LOGIC TECHNOLOGIES INC.
5 - Pharmaceutical and veterinary preparations