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William D. Powrie
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North Vancouver, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Compositions and methods for preserving cut apples
Patent number
7,931,926
Issue date
Apr 26, 2011
NatureSeal, Inc.
Perry D. Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process and formulation for producing a multipurpose, multi-functio...
Patent number
7,070,826
Issue date
Jul 4, 2006
Pacific Rim Marketing Limited
Perry David Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Formulation and process for producing a universal fruit base for us...
Patent number
6,383,546
Issue date
May 7, 2002
Pacific Rim Marketing Limited
William Duncan Powrie
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Preparation and preservation of fresh, vitaminized, flavored and un...
Patent number
5,922,382
Issue date
Jul 13, 1999
The University of British Columbia
William Duncan Powrie
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Lined and coated corrugated paperboard package systems for modified...
Patent number
5,609,293
Issue date
Mar 11, 1997
The University of British Columbia
Chiu H. Wu
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Corrugated paperboard package systems with gas-permeable plastic me...
Patent number
5,575,418
Issue date
Nov 19, 1996
The University of British Columbia
Chiu H. Wu
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Preservation of fresh fruit juices and fruit juice blends
Patent number
5,468,508
Issue date
Nov 21, 1995
The University of British Columbia
Chiu H. Wu
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Preservation of cut and segmented fresh fruit pieces
Patent number
4,895,729
Issue date
Jan 23, 1990
University of British Columbia
William D. Powrie
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITIONS AND METHODS FOR PRESERVING CUT APPLES
Publication number
20110111103
Publication date
May 12, 2011
NATURESEAL, INC.
Perry D. Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Compositions and methods for preserving cut apples
Publication number
20070042093
Publication date
Feb 22, 2007
FreshXtend Technologies Corp.
Perry D. Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Process and formulation for producing a multipurpose, multi-functio...
Publication number
20050013913
Publication date
Jan 20, 2005
Perry David Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Process for the preservation of fresh quality attributes of peeled,...
Publication number
20030091705
Publication date
May 15, 2003
Perry Lidster
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Formulation and process for producing a universal fruit base for us...
Publication number
20010053404
Publication date
Dec 20, 2001
William Duncan Powrie
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES