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:
Oct. 03, 1978
Filed:
Dec. 15, 1976
Masataka Morishita, Shizuoka, JP;
Yasuo Yokokawa, Tokyo, JP;
Tokio Nishikawa, Hikone, JP;
Masahiro Mishiro, Moriyama, JP;
Shigeyasu Ohashi, Moriyama, JP;
Mitsuru Fukushima, Shizuoka, JP;
Yoshihito Inaba, Shizuoka, JP;
Tetsuo Matsuda, Shizuoka, JP;
Toyo Jozo Company, Ltd., BOTH OF, JP;
Asahi Kasei Kogyo Kabushiki Kaisha, BOTH OF, JP;
Abstract
A novel cellulose microcapsule having adsorbing capacity, consisting of outer semipermeable barrier layer of cellulose and adsorbent powders dispersed within inner cellulose gel matrix, is prepared by ester hydrolysis of a precursor microcapsule consisting of cellulose ester derivative and adsorbent powders. It is excellent in resistance to chemicals such as acids, alkalis or organic solvents and is useful for various purposes.