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:
Nov. 21, 1989
Filed:
Jun. 18, 1987
Applicant:
Inventors:
Stephen Marburg, Metuchen, NJ (US);
Peter J Kniskern, Lansdale, PA (US);
Richard L Tolman, Warren, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07K / ;
U.S. Cl.
CPC ...
514 54 ; 536 551 ; 530402 ;
Abstract
Covalently modified bacterial polysaccharides and proteins; covalent conjugates of such polysaccharides linked by a bigeneric spacer, which permits proof of covalency and facilitates purification of conjugated materials, with immunogenic bacterial membrane or other proteins, which conjugates are useful components of bacterial vaccines; and methods of preparing such polysaccharides, proteins and conjugates and of confirming the covalency of the linkage between polysaccharides and proteins.