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:
Nov. 24, 1998
Filed:
May. 09, 1995
Applicant:
Inventor:
Michael Piatak, Jr, Walnut Creek, CA (US);
Assignee:
Chiron Corporation, Emeryville, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C07H / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 691 ; 4352523 ; 43525233 ; 4352542 ; 43525421 ; 4353201 ; 536 236 ;
Abstract
DNA sequences encoding full length precursor proteins, which proteins contain both A and B portions of two ricin isotoxins and ricin agglutinin, as well as the linker regions have been determined. These DNAs or portions or modifications thereof are expressed in recombinant hosts to obtain the desired proteins or proteins which can readily converted thereto. One of the ricin isotoxins may be related to ricin E.