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:
Apr. 19, 1994
Filed:
Aug. 10, 1992
Applicant:
Inventors:
Mamoru Tomita, Kanagawa, JP;
Seiichi Shimamura, Kanagawa, JP;
Yoshitaka Tamura, Kanagawa, JP;
Teruhiko Mizota, Kanagawa, JP;
Satoshi Nakano, Kanagawa, JP;
Itsuko Suzawa, Kanagawa, JP;
Assignee:
Morinaga Milk Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C13F / ; C07H / ; C08B / ;
U.S. Cl.
CPC ...
127 42 ; 127 29 ; 127 31 ; 426658 ; 53612313 ;
Abstract
A crystalline lactulose trihydrate having molecular formula of C.sub.12 H.sub.22 O.sub.11.3H.sub.2 O and a method for its manufacture, which comprises crystallization from a lactulose syrup at a temperature of 2.degree.-20.degree. C., the starting lactulose syrup having a lactulose content of 70-90% of a total solid matters by weight, and having been concentrated to the total solid matters of 65-75% by weight and a ratio of lactose to water of less than 10% by weight.