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:
Mar. 24, 1998
Filed:
Jul. 06, 1995
Applicant:
Inventors:
Yutaka Itoga, Sorachi-gun, JP;
Narushi Suda, Sorachi-gun, JP;
Assignee:
Sapparo Breweries Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435410 ; 435420 ; 435430 ; 435431 ;
Abstract
Disclosed is a method for producing virus-free, rootstocks of hop, which comprises growing a cultured virus-free hop strain in a rooting medium thereby to make it shoot out roots therein followed by culture it in a rootstocks of hop-producing medium having a high saccharide concentration thereby to form rootstocks of hop in the medium. The virus-free, rootstocks of hop are produced under aseptic conditions and are out of the danger of their contamination with viruses, pathogenic vermian or parasites. The plants are highly safe and can be stored well. When planted, these actively shoot out roots and sprouts.