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:
Jun. 21, 2022
Filed:
Jun. 06, 2018
Fuji Capsule Co., Ltd., Shizuoka, JP;
Nisshin Kasei Co., Ltd., Osaka, JP;
Koichi Nishimura, Shizuoka, JP;
Sergio Ishiba, Shizuoka, JP;
Hitoshi Uruga, Shizuoka, JP;
Hisayoshi Aoki, Shizuoka, JP;
Yosuke Kondo, Shizuoka, JP;
Yoshiyuki Shimokawa, Shizuoka, JP;
FUJI CAPSULE CO., LTD., Shizuoka, JP;
NISSHIN KASEI CO., LTD., Osaka, JP;
Abstract
The present invention addresses a problem of providing a high quality seamless capsule, with excellent uniformity of shell thickness and virtually no eyes in the shell. The problem can be solved by manufacturing a seamless capsule using a shell composition comprising at least one polysaccharide selected from the group consisting of agar, carrageenan and gellan gum, and a PVA copolymer comprising the following structural units: (i) polyvinyl alcohol, (ii) at least one unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid and maleic acid, and (iii) at least one unsaturated carboxylic acid ester selected from the group consisting of compounds represented by formula [I]:HC═C(R)—COOR  [I](wherein Rrepresents a hydrogen atom or a methyl group, and Rrepresents an alkyl group having 1 to 4 carbon atoms).