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. 26, 1996
Filed:
Jan. 27, 1994
Applicant:
Inventor:
Roger J Westcott, Wellingborough, GB;
Assignee:
Unilever Patent Holdings B.V., Vlaardingen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
43524049 ; 43524048 ; 43524045 ; 4352404 ;
Abstract
A method of producing embryogenic conifer callus, comprising culturing somatic tissue capable of growth derived from a conifer so as to form non-embryogenic callus and then culturing the non-embryogenic callus in the presence of a nurse culture so as to produce embryogenic callus. Embryogenic callus derived in this way can be used to produced plantlets by known techniques.