Method for producing 2,6-dihydroxybenzoic acid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5304677
SERIAL NO

08007782

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for producing 2,6-dihydroxybenzoic acid, which comprises heating an aqueous solution which contains a mixture of 2,6-dihydroxybenzoic acid and 2,4-dihydroxybenzoic acid and has a pH value of 4 or more, to selectively decompose 2,4-dihydroxybenzoic acid, and separating 2,6-dihydroxybenzoic acid from the decomposition reaction mixture.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LTDTOKYO 104-8260
SUMIKA FINE CHEMICALS COMPANY LTD1-21 UTAJIMA 3-CHOME NISHI YODEGAWA-KU OSAKA-SHI OSAKA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kometani, Norio Osaka, JP 7 8
Nakamatsu, Toshio Hyogo, JP 15 68
Nishida, Yasuhiro Hyogo, JP 41 150

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation