POLYSACCHARIDES FOR VISCOSITY MODIFICATION

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United States of America Patent

APP PUB NO 20150232785A1
SERIAL NO

14619174

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
E I DU PONT DE NEMOURS AND COMPANY1007 MARKET STREET WILMINGTON DE 19898

International Classification(s)

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  • 2015 Application Filing Year
  • C08B Class
  • 373 Applications Filed
  • 266 Patents Issued To-Date
  • 71.32 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brun, Yefim Wilmington, US 48 379
Dennes, T Joseph Parkesburg, US 41 601
Nambiar, Rakesh West Chester, US 43 299
PAULLIN, JAYME L Claymont, US 47 594
Payne, Mark S Wilmington, US 146 2125
Scholz, Thomas Bear, US 34 464

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  • 57 Citation Count
  • C08B Class
  • 99.31 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges42938101 - 1011 - 2021 - 3005101520253035404550556065707580859095100

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