Erfstadt
Germany
6
2011-01-18
The entities that hold a legal rights for patent applications filed by inventor Kuhlmann Robert:
Robert Kuhlmann from Erfstadt, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Silica by precipitation at constant alkali number, and its use
#2 | 2007-09-06Precipitated Silica
#3 | 2006-07-04Precipitated silicas
#4 | 2005-12-22Precipitated silica
#5 | 2005-12-20Precipitated silicas
#6 | 2005-06-23Silica and silicate by precipitation at constant alkali number, and its use
4483417 ⎘