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. 18, 1988
Filed:
Nov. 23, 1987
Applicant:
Inventors:
Gordon R Dreesman, Houston, TX (US);
James T Sparrow, Houston, TX (US);
Darrell L Peterson, Chesterfield, VA (US);
Frederick B Hollinger, Houston, TX (US);
Joseph L Melnick, Houston, TX (US);
Assignee:
Baylor College of Medicine, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07K / ; C07K / ;
U.S. Cl.
CPC ...
514 13 ; 530326 ;
Abstract
A composition for eliciting production of antibody to hepatitis B surface antigen and method of neutralizing the infectivity of hepatitis type B virus. A cyclic polypeptide is prepared having a disulfide bond in a hydrophilic region, namely residues 117-137 or 122-137 and an amino acid sequence unique from that associated with the native 25,000 molecular weight polypeptide derived from hepatitis B surface antigen.