Patent search ap:("EASTMAN KODAK CO") AND inv:"LAPHAM GEORGE B" Page 1

1.

发明授权
Method of preparing dicarboxylic acid esters of the lower fatty acid esters and the ethers of cellulose containing free and esterifiable hydroxyl groups 失效
Title translation: 制备低级脂肪酸酯的二羧酸酯和含游离和酯化羟基的纤维素醚的方法

公开(公告)号：US2856399A

公开(公告)日：1958-10-14

申请号：US63923357

申请日：1957-02-11

Applicant: EASTMAN KODAK CO

Inventor： MENCH JOHN W , LAPHAM GEORGE B

IPC: C08B3/00 , C08B3/12 , C08B13/00

CPC classification number: C08B3/00 , C08B3/12 , C08B13/00

Patent Agency Ranking