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:
Jan. 29, 1980
Filed:
Jun. 03, 1976
Applicant:
Inventors:
Masanori Fujimoto, Ibaraki, JP;
Kosuke Fukami, Settsu, JP;
Kozo Tsuji, Takatsuki, JP;
Tsuneyuki Nagase, Takatsuki, JP;
Assignees:
Sumitomo Chemical Company, Limited, Osaka, JP;
Hayashibara Biochemical Laboratories, Inc., Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
106162 ; 106205 ; 106213 ;
Abstract
A method for improving the water-resistance of pullulan, which is a linear high polymer having the following structural formula: ##STR1## and useful as films, sheets, fibers and the like.