DK

Donald Jeffrey Keyser

ZP Zs Pharma: 19 patents #1 of 3Top 35%
RT Renibus Therapeutics: 9 patents #1 of 5Top 20%
RB Reckitt Benckiser: 4 patents #79 of 423Top 20%
📍 Southlake, TX: #12 of 351 inventorsTop 4%
🗺 Texas: #3,193 of 125,132 inventorsTop 3%
Overall (All Time): #101,567 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
8877255 Microporous zirconium silicate for the treatment of hyperkalemia Alvaro F. Guillem 2014-11-04
8808750 Microporous zirconium silicate for the treatment of hyperkalemia Alvaro F. Guillem 2014-08-19
8802152 Microporous zirconium silicate for the treatment of hyperkalemia Alvaro F. Guillem 2014-08-12
8012504 Sustained release of guaifenesin combination drugs Robert D. Davis, Ralph W. Blume 2011-09-06
7985421 Sustained release formulations of guaifenesin and additional drug ingredients Robert D. Davis, Ralph W. Blume 2011-07-26
7985420 Sustained release of guaifenesin combination drugs Robert D. Davis, Ralph W. Blume 2011-07-26
7838032 Sustained release of guaifenesin Robert D. Davis, Ralph W. Blume 2010-11-23
6955821 Sustained release formulations of guaifenesin and additional drug ingredients Robert D. Davis, Ralph W. Blume 2005-10-18
6372252 Guaifenesin sustained release formulation and tablets Ralph W. Blume, Robert D. Davis 2002-04-16