Process for preparing dialkyl carbonates

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5534649
SERIAL NO

08365846

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

This invention relates to a process for preparing dialkyl carbonates by the reaction of one kind or a mixture of two or more kinds selected from urea, methyl carbamate and ethyl carbamate with methanol and/or ethanol in the presence of a catalyst under pressure at 100.degree. to 250.degree. C. and the process does not use poisonous phosgene or carbon monoxide as raw material and readily yields dimethyl carbonate and diethyl carbonate in simple equipment.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MOSES LAKE INDUSTRIES INC8248 RANDOLPH ROAD NE MOSES LAKE WA 98837
TAMA CHEMICALS CO LTDKAWASAKI CITY KANAGAWA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Toshitsura Tokyo, JP 15 157
Cho, Tsurahide Tokyo, JP 4 64
Suzuki, Kazumi Kawasaki, JP 115 1477
Tamura, Takaaki Kawasaki, JP 21 159

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation