Powdered tea extract
Patent 4410556 Issued on October 18, 1983. Estimated Expiration Date: 
October 13, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 13, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2785979 Method of making an improved tea volatiles concentrate Patent #: 4130669 InventorsAssigneeApplicationNo. 06/310743 filed on 10/13/1981US Classes:426/597, Tea and substitutes therefor426/435Tea, i.e., Camellia senesisExaminersPrimary: Golian, JosephAttorney, Agent or FirmInternational ClassesA23F 3/18 (20060101)A23F 3/00 (20060101) A23F 3/34 (20060101) AbstractA process for preparing a powdered tea extract which comprises extracting tea leaves firstly at ambient temperature and then at an elevated temperature, with an aqueous medium which contains, at least during the extraction at ambient temperature, a food-acceptable carboxylic acid or a corresponding food-acceptable salt or any mixture thereof and afterwards drying the aqueous extract obtained.Other References
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