Patents by Inventor Koichi Azumada

Koichi Azumada 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).

Paste material as the carrier ingredient of paste for pasting corrugated cardboard and the process for preparing the same

Patent number: 4165992

Abstract: Paste material as the carrier ingredient of paste for pasting corrugated cardboard contains chemically processed starch manufactured by making N.N-diglycidylaniline or N.N-diglycidyl-O-toluidine be contact-absorbed into starch and then heating and roasting the same.

Type: Grant

Filed: September 1, 1977

Date of Patent: August 28, 1979

Assignee: Shunichi Morimoto

Inventors: Koichi Azumada, Michio Kobori

Paste material as the carrier ingredient of paste for pasting corrugated cardboard and the process for preparing the same