PROCESS FOR PREPARING CELLULOSE ESTERS - HOKKAIDO TECH LICENSING OFFICE

Title:

PROCESS FOR PREPARING CELLULOSE ESTERS

Document Type and Number:

WIPO Patent Application WO/2001/070820

Kind Code:

A1

Abstract:

A process for preparing in one step cellulose esters (particularly cellulose diesters) having uniform substituent distribution and being soluble in hydrous acetone or other solvents. This process comprises esterifying cellulose under ultrasonic-wave irradiation.

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Inventors:

TAKAI MITSUO (JP)
NAGAI NOBUHIRO (JP)

Application Number:

PCT/JP2001/002340

Publication Date:

September 27, 2001

Filing Date:

March 23, 2001

Export Citation:

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Assignee:

HOKKAIDO TECH LICENSING OFFICE (JP)
DAICEL CHEM (JP)
TAKAI MITSUO (JP)
NAGAI NOBUHIRO (JP)

International Classes:

C08B3/00; (IPC1-7): C08B3/00; C08B3/06

Foreign References:

JPH0892302A

1996-04-09

Attorney, Agent or Firm:

Nakamura, Minoru (Shin-Tokyo Bldg 3-1 Marunouchi 3-Chome Chiyoda-ku, Tokyo, JP)

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