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. 24, 1998
Filed:
Mar. 31, 1997
Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo, Okayama, JP;
Abstract
Insertion of IFN-alpha promoters in recombinant DNAs improves their expression efficiencies for useful polypeptides. Expression of such a recombinant DNA in host cells of mammalian origin is artificially controllable by the presence and absence of external stimuli using IFN-alpha inducers. Thus, transformants with such a recombinant DNA readily increase to a maximized cell density with causing neither damages nor extinction due to polypeptides they produce, and subsequent exposure to IFN-alpha inducers allows the proliferated cells to efficiently produce polypeptides with significant glycosylations.
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