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:
May. 01, 1979
Filed:
Jun. 14, 1976
Applicant:
Inventors:
Tsuneyuki Nagase, Takatsuki, JP;
Kozo Tsuji, Takatsuki, JP;
Masanori Fujimoto, Ibaraki, JP;
Fujio Masuko, Ibaraki, JP;
Assignees:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Hayashibara Biochemical Laboratories, Inc., Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08L / ;
U.S. Cl.
CPC ...
106162 ; 536-1 ;
Abstract
Cross-linked pullulans are obtained by the reaction of pullulan with a cross-linking agent selected from the group consisting of polycarboxylic acids, halogenated dicarboxylic acids, polycarboxylic anhydrides, aldehyde compounds, N-methylol compounds, isocyanate compounds, metaphosphoric acid salts, divinyl compounds, bis-aziridine and bifunctional compounds of the formula,
Nagase, Tsuneyuki. (1979). Cross-linked pullulan (U.S. Patent No. 4152170). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4152170
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile