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:
Oct. 11, 1994
Filed:
Nov. 26, 1991
Applicant:
Inventors:
Joan E Brooks, Beverly, MA (US);
Kimberly H O'Donnell, Belmont, MA (US);
Assignee:
New England Biolabs, Inc., Beverly, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435199 ; 43525233 ; 4353201 ; 435193 ; 536 232 ;
Abstract
A two-step method for cloning the DdeI restriction modification system is provided which comprises introducing the DdeI modification or methylase gene into a host cell and expressing the gene to protect the DdeI host cell followed by introducing the DdeI restriction or endonuclese gene into the host.