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Karthikeyan PERUMAL
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Columbus, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Colorless transparent copolyamide-imide films with high modulus and...
Patent number
11,827,749
Issue date
Nov 28, 2023
RAYITEK Hi-Tech Film Company, Ltd., Shenzhen
Karthikeyan Perumal
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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last 30 patents
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Patent Application
COLORLESS TRANSPARENT COPOLYAMIDE-IMIDE FILMS WITH HIGH MODULUS AND...
Publication number
20210309804
Publication date
Oct 7, 2021
Goldengate Quantum Technology Co. Ltd.
Karthikeyan PERUMAL
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL