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:
Dec. 11, 1990
Filed:
Jan. 19, 1988
Applicant:
Inventors:
Ge Koulin, Shanghai, CN;
Wang Yunzhu, Shanghai, CN;
Yuan Xunmei, Shanghai, CN;
Huang Peiming, Shanghai, CN;
Assignee:
Interferon Sciences, Inc., New Brunswick, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
43524047 ; 43524049 ; 43524051 ; 43524054 ;
Abstract
A method for regenerating plantlets from protoplasts isolated from mesophyll cells of abacterial seedlings of red bean (Phaseolus angularis). Protoplasts cultured in certain liquid media could divide continuously and many protoplast-derived calli may be obtained. In addition, various growth media containing the optimum concentration and the type of sugar, mineral salts, vitamins, and combinations and concentrations of several phytohormones for protoplast growth, division, callus formation and plantlet regeneration are provided.