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:
May. 31, 1988
Filed:
Oct. 20, 1986
Applicant:
Inventor:
Gary P Wiesehahn, Alameda, CA (US);
Assignee:
Diamond Scientific Co., Des Moines, IA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
435173 ; 424 85 ; 424 89 ; 424 90 ; 424101 ; 514-2 ; 514-6 ; 530380 ; 530381 ; 530383 ; 530387 ; 530389 ; 530829 ;
Abstract
Biological compositions are freed of functional polynucleotides by treatment of the biological composition with psoralen derivatives under irradiation conditions in which the proteins retain their original physiological activities and any polynucleotide present is rendered inactive.