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US Patent 11643545 Resin composition

Patent 11643545 was granted and assigned to AJINOMOTO CO., INC. on May, 2023 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
AJINOMOTO CO., INC.
AJINOMOTO CO., INC.
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Current Assignee
AJINOMOTO CO., INC.
AJINOMOTO CO., INC.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116435450
Patent Inventor Names
Ryohei Ooishi0
Kenji Kawai0
Date of Patent
May 9, 2023
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Patent Application Number
169371580
Date Filed
July 23, 2020
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Patent Citations
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US Patent 10059798 Active ester resin, epoxy resin composition, cured product thereof, prepreg, circuit board, and build-up film
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Patent Primary Examiner
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Cheng Yuan Huang
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CPC Code
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B32B 15/085
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B32B 15/092
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B32B 17/06
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B32B 27/281
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B32B 27/285
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B32B 27/32
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C08K 3/36
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C08K 5/105
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...

A resin composition includes (A) a polyolefin epoxy resin, (B) an epoxy resin having a condensed polycyclic aromatic hydrocarbon, (C) a nitrogen-containing novolak resin, and (D) an inorganic filler, in which an epoxy equivalent of the (A) component is 200 g/eq. or more, a nitrogen content in the (C) component is 13% by mass or more and/or the (C) component has a cresol novolak structure, and a content of the (D) component is 60% by mass or more on the basis of 100% by mass of non-volatile components in the resin composition.

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