Patents by Inventor Cezar Gonçalves da Silva

Cezar Gonçalves da Silva has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasse

Patent number: 9586212

Abstract: A depressor in iron ore flotation comprises sugar cane bagasse and caustic soda so as to assist in the iron ore flotation. Sugar cane bagasse is used as a depressor in iron ore flotation, and a process of preparing depressor comprising sugar cane bagasse is disclosed.

Type: Grant

Filed: September 4, 2013

Date of Patent: March 7, 2017

Assignee: VALE S.A.

Inventors: Marcílio do Carmo Silva, Cezar Gonçalves da Silva, Flávia Alice Monteiro da Silva Oliveira, Elismar Miquelanti
DEPRESSOR IN IRON ORE FLOTATION COMPRISING SUGAR CANE BAGASSE, USE OF SUGAR CANE BAGASSE AS DEPRESSOR IN IRON ORE FLOTATION AND PROCESS OF PREPARING DEPRESSOR COMPRISING SUGAR CANE BAGASSE

Publication number: 20140061101

Abstract: A depressor in iron ore flotation comprises sugar cane bagasse and caustic soda so as to assist in the iron ore flotation. Sugar cane bagasse is used as a depressor in iron ore flotation, and a process of preparing depressor comprising sugar cane bagasse is disclosed.

Type: Application

Filed: September 4, 2013

Publication date: March 6, 2014

Inventors: Marcílio do Carmo Silva, Cezar Gonçalves da Silva, Flávia Alice Monteiro da Silva Oliveira, Elismar Miquelanti

Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasse

DEPRESSOR IN IRON ORE FLOTATION COMPRISING SUGAR CANE BAGASSE, USE OF SUGAR CANE BAGASSE AS DEPRESSOR IN IRON ORE FLOTATION AND PROCESS OF PREPARING DEPRESSOR COMPRISING SUGAR CANE BAGASSE