Title of Invention

"METHOD OF PRODUCING PROPYLENE GLYCOL"

Abstract Propylene glycol is produced by a method of producing propylene glycol, the method including: obtaining propylene glycol by performing catalytic hydrogenation of glycerol in the presence of a catalyst, the catalyst containing zinc oxide and at least one of copper and copper oxide, and the catalyst, after being reduced at 180°C to 230°C in the presence of hydrogen, showing a half width of from 0.4 to 1.1 of a peak having a peak top at a position at which a diffraction angle (2ø±0.2°) is 43.1° in an X-ray diffraction pattern obtained using CuKα as a radiation source.
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http://ipindiaonline.gov.in/patentsearch/GrantedSearch/viewdoc.aspx?id=/FakP+RdUEqG/TtxvvcmgQ==&loc=+mN2fYxnTC4l0fUd8W4CAA==


Patent Number 272823
Indian Patent Application Number 7805/DELNP/2010
PG Journal Number 18/2016
Publication Date 29-Apr-2016
Grant Date 28-Apr-2016
Date of Filing 04-Nov-2010
Name of Patentee MITSUI CHEMICALS, INC.
Applicant Address 5-2, HIGASHI-SHIMBASHI, 1-CHOME, MINATO-KU, TOKYO 105-7117, JAPAN,
Inventors:
# Inventor's Name Inventor's Address
1 SHUJI OZAWA C/O MITSUI CHEMICALS, INC., 580-32, NAGAURA, SODEGAURA-SHI, CHIBA 299-0265, JAPAN
2 NARITOSHI YOSHIMURA C/O MITSUI CHEMICALS, INC., 580-32, NAGAURA, SODEGAURA-SHI, CHIBA 299-0265, JAPAN
3 HIROSHI KOUNO C/O MITSUI CHEMICALS, INC., 580-32, NAGAURA, SODEGAURA-SHI, CHIBA 299-0265, JAPAN
PCT International Classification Number C07C 29/60
PCT International Application Number PCT/JP09/057888
PCT International Filing date 2009-04-21
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2008-155666 2008-06-13 Japan
2 2008-119026 2008-04-30 Japan