Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5622944 | Testosterone prodrugs for improved drug delivery Compositions and methods are provided for enhanced transdermal electrotransport of 17-hydroxy sterol compounds, including testosterone. The parent sterols are modified at the 17-hydroxy position by covalent attachment of a charged chemical modifier. The c... | 04/22/1997 |
| 5608035 | Peptides and compounds that bind to the IL-1 receptor Peptides that bind to the interleukin-1 type I receptor (IL-1RtI) can be used to assay the amount of IL-1R, or an IL-1R agonist or antagonist, in a sample and comprise a sequence of amino acids selected from the group consisting of (1) WXXXGZ1 ... | 03/04/1997 |
| 5607691 | Compositions and methods for enhanced drug delivery The present invention relates to methods of delivering pharmaceutical agents across membranes, including the skin layer or mucosal membranes of a patient. A pharmaceutical agent is covalently bonded to a chemical modifier, via a physiologically cleavable ... | 03/04/1997 |
