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:
Feb. 24, 1981
Filed:
Aug. 29, 1978
Applicant:
Inventors:
Minoru Takizawa, Koshigaya, JP;
Shojiro Horiguchi, Hoya, JP;
Michiei Nakamura, Sohka, JP;
Hitoshi Takeuchi, Kasukabe, JP;
Assignee:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525261 ; 525314 ; 525440 ; 525444 ;
Abstract
A hydrophilic polymer comprises a main component of a block copolymer and/or a graft copolymer which has at least one hydrophobic hard segment-hydrophilic segment-hydrophobic hard segment unit wherein said hydrophobic hard segment is a binding phase segment having an average molecular weight of more than 1,000 and said hydrophilic segment is a segment having a hydrophilic group connected to thioether bond on a side chain and having an average molecular weight of more than 1,000.