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Kingfa Sci. & Tech. Co., Ltd.

Also on record
Records under this name other than the patents Kingfa Sci. & Tech. Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 36 patents it holds.

Showing 1 to 3 of 3 · Back to Kingfa Sci. & Tech. Co., Ltd.

PatentTitleStatus Expires Confidence
US 10,723,869Polypropylene composition and preparation method thereof, and film or sheet prepared from the polypropylene composition and use thereof
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,916,674Method for preparing terpolymer of poly (diphenyl ether sulfone) and poly (diphenyl sulfone)
Lapsed on the fee record
Ended Dec 23, 2018 · From the USPTO record
Lapsed on the fee recordEnded Dec 23, 2018From the USPTO record
US 8,389,665Method for preparing terpolymer of poly (biphenyl sulfone ether) and poly (ether sulfone)
Lapsed on the fee record
Ended Mar 5, 2017 · From the USPTO record
Lapsed on the fee recordEnded Mar 5, 2017From the USPTO record
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