...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.
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 |
| 8088358 | Paramagnetic nanoparticle The present invention relates to the preparation and use of nanoparticles, in particular paramagnetic nanoparticles, and their use as contrast enhancers for NMR-based methods of examination. A significant increase in contrast (e.g. from 100 to 200%) takes place acco... | 01/03/2012 |
| 7713624 | Luminescent core/shell nanoparticles suitable for (F)RET-assays Luminescent inorganic nanoparticles comprising: (a) a core made from a first metal salt or oxide being surrounded by (b) a shell made from a second metal salt or oxide being luminescent and having non-semiconductor properties. These nanoparticles can be advantageous... | 05/11/2010 |
| 7651771 | Luminescent core/shell nanoparticles comprising a luminescent core and method of making thereof The present invention relates to Luminescent nanoparticles comprising (a) a core made from a luminescent metal salt selected from phosphates, sulfates or fluorides, being surrounded by (b) a shell made from a metal salt or oxide capable of preventing or reducing ene... | 01/26/2010 |
| 7575734 | Process for preparing dispersible sulfate, preferably barium sulfate nanoparticles The invention is directed to a process for the manufacture of optionally doped nanoparticulate metal sulfate wherein the metal is selected from polyvalent metals or monovalent transition metals, said process comprising the step of heating a reaction mixture comprisi... | 08/18/2009 |