Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

174 results about "Alcohol ethyl" patented technology

Ethyl Alcohol is the alcohol found in alcoholic drinks such as beer, brandy, or whiskey. It is made from the fermentation or chemical breakdown of sugars by yeasts. It is made from plants and grains such as corn, wheat, barley.

Novel synthetic method for 5-phenyl tetrazole

The invention discloses a novel synthetic method for 5-phenyl tetrazole, which includes the following steps: firstly performing acid neutralization to hydrazine hydrate; then adding mixing solution formed by cyanobenzene, water and ethyl alcohol to generate phenyl aminoguanidine salt; adopting sodium nitrite for diazotization to obtain nitrine amidine under the acidic condition; obtaining 5-phenyl tetrazole crude product through closed loop under the alkaline condition; obtaining 5-phenyl tetrazole acceptable product through adopting ethyl alcohol for refining. The method has the advantages of simple technology, simplicity in operation and high product yield.
Owner:姜树林