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:
Feb. 13, 2007
Filed:
Nov. 24, 2004
Applicants:
John Hilfinger, Ann Arbor, MI (US);
Phillip Kish, Ann Arbor, MI (US);
Inventors:
John Hilfinger, Ann Arbor, MI (US);
Phillip Kish, Ann Arbor, MI (US);
Assignee:
TSRL, Inc., Ann Arbor, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
C07K 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dipeptide or tripeptide carrier system for active agent delivery to cells has an N-terminus natural amino acid and an active agent covalently bonded to a side chain of one of the remaining amino acid bases. The system is amenable to formulation as an oral administrant. The active agent being a therapeutic, a fluorescent dye, or contrast agent where the active agent has a molecular weight of less than 500 atomic mass units. An optional linker is provided intermediate between the active agent and the linking side chain.