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Food grade ink jet inks for printing on edible substrates
   
Document Number
US Patent 7431957
Issued Date
October 7, 2008
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Abstract
Food grade colored fluids which include food grade dyes and food grade glycols are provided. Also provided are methods for applying the food grade colored fluids directed to the surface of an edible substrate, and edible substrates having the food grade colored fluids applied to a surface thereof. In some embodiments the food grade colored fluids include a surface tension modifier to reduce their surface tensions. The food grade colored fluids may optionally include glycerine and water. In one embodiment, the food grade glycol makes up at least about 25 wt. % of the colored fluid and water makes up no more than about 35 wt. % of the colored fluid.
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Number of Claims:
50
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Published
October 7, 2008
Application Number
11/149,660
Filed
June 10, 2005
US Classification
426/250  
Int'l Classification
A23L   1/27   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS The present patent application claims the benefit of U.S. provisional patent application Ser. No. 60/578,774, filed Jun. 10, 2004, the entire contents of which are hereby frilly incorporated by reference.
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426/250  
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