SOLVENT-FREE LIQUID FROM REGENERATED SILK FIBROIN: A WRITEABLE AND SHAPEABLE MATERIAL

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United States of America Patent

APP PUB NO 20230374228A1
SERIAL NO

18200632

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a solvent-free viscoelastic RSF liquid by modifying the RSF surface with polyethylenimine and polyethylene glycol-based polymer surfactant, which surrounds each RSF molecule by forming a dual shell and thereby minimizes the inter RSF interactions and thus prevents formation of β-sheet aggregation. The engineering of RSF surface with PEI and PS significantly improved the conformational stability and storage time of RSF liquid compared to native RSF as silk I conformation of RSF liquid remained intact for more than 8 months.

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Patent Owner(s)

Patent OwnerAddress
INDIAN INSTITUTE OF TECHNOLOGY BOMBAYDEPARTMENT OF ELECTRICAL ENGINEERING INDIAN INSTITUTE OF TECHNOLOGY BOMBAY POWAI MUMBAI MAHARASHTRA 400076

International Classification(s)

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  • 2023 Application Filing Year
  • C08J Class
  • 1123 Applications Filed
  • 242 Patents Issued To-Date
  • 21.55 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kumar, Raj Mumbai, IN 86 3633
Sharma, Kamendra P Mumbai, IN 1 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges92210201 - 100501001502002503003504004505005506006507007508008509009501000

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