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Charles M. Copper
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Willowbrook, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of combining active ingredients with polyvinyl acetates
Patent number
5,229,148
Issue date
Jul 20, 1993
Wm. Wrigley Jr. Company
Charles M. Copper
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Gradual release structures for chewing gum
Patent number
5,198,251
Issue date
Mar 30, 1993
Wm. Wrigley Jr. Company
Joo H. Song
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of manufacturing a chewing gum
Patent number
5,192,562
Issue date
Mar 9, 1993
Wm. Wrigley Jr. Company
Ronald T. Grey
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Gradual release structures for chewing gum
Patent number
5,165,944
Issue date
Nov 24, 1992
Wm. Wrigley Jr. Company
Joo H. Song
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Use of salt to improve extrusion encapsulation of chewing gum ingre...
Patent number
5,154,939
Issue date
Oct 13, 1992
Wm. Wrigley Jr. Company
Kevin B. Broderick
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Nitrogen sparging method for eliminating off-notes from mint flavor...
Patent number
5,116,625
Issue date
May 26, 1992
Wm. Wrigley Jr. Company
Mansukh M. Patel
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of manufacturing a chewing gum base
Patent number
5,085,872
Issue date
Feb 4, 1992
Wm. Wrigley Jr. Company
Mansukh M. Patel
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES