The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 1985
Filed:
May. 29, 1984
Applicant:
Inventors:
Takeo Saegusa, Tojiin Kitamachi, Kita-ku, Kyoto, JP;
Shiro Kobayashi, Kyoto, JP;
Yasuhiro Moriuchi, Niihama, JP;
Assignees:
Sumitomo Chemical Company, Limited, Osaka, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525410 ; 252357 ; 524538 ; 528403 ;
Abstract
Block copolymers of poly(N-formylethyleneimine) or poly(N-acetylethyleneimine) with poly(N-acylethyleneimine or poly(N-acylpropyleneimine) having a molecular weight of 500 to 50,000 and a method for their production. These block copolymers are useful as surface active agents.