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:
Jun. 02, 1987
Filed:
Aug. 18, 1983
Applicant:
Inventors:
Patricia A Okubara, Richmond, CA (US);
Dorothy A Pierce, Richmond, CA (US);
Robert C Nutter, Richmond, CA (US);
Assignee:
Stauffer Chemical Co., Westport, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435317 ; 4351723 ; 935 27 ; 935 29 ; 935 30 ; 935 41 ;
Abstract
Recombinant plasmids adopted for transformation of prokaryotic and eukaryotic hosts having an insertion site for at least one DNA fragment are provided. In a preferred embodiment, nucleotide sequences coding for methotrexate-resistant dehydrofolate reductase and a nucleotide sequence, a portion thereof coding for a promoter, are ligated into the insertion site.