PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

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United States of America Patent

SERIAL NO

14963114

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Abstract

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The invention relates to a method for preparing caprolactam comprising recovering a mixture containing 6-aminocaproic acid, from a culture medium comprising biomass, and thereafter cyclising the 6-aminocaproic acid in the presence of superheated steam, thereby forming caprolactam, wherein the weight to weight ratio carbohydrate to 6-aminocaproic acid in said mixture is 0.03 or less.

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Patent Owner(s)

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GENOMATICA INCSAN DIEGO CA

International Classification(s)

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  • 2015 Application Filing Year
  • C08G Class
  • 2777 Applications Filed
  • 2224 Patents Issued To-Date
  • 80.09 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
GUIT, Rudolf Philippus Maria Maastricht, NL 7 4
RAAMSDONK, Lourina Madeleine Nootdorp, NL 10 55
VAN, DER DOES Thomas Wilnis, NL 15 20

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges329764842697241101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7091 - 100100 +050100150200250300350400450500550600650700750800850

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