Inventor · disambiguated record
Donald Jeffrey Keyser
Also filed as: KEYSER DONALD J · KEYSER DONALD JEFFREY
34 granted patents·28 pending applications·328 citations·filing 2000–2024
97Inventor score
Files withZS PHARMA INC32RENIBUS THERAPEUTICS INC19RECKITT BENCKISER INC5ADAMS LAB INC2ENCYSIVE PHARMACEUTICALS1
Top patents by PatentIndex Score
62 records- 0196US8877255B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2013·Granted Nov 4, 2014·22 cites·24 claims
- 0295US9861658B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2015·Granted Jan 9, 2018·13 cites·14 claims
- 0395US8808750B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2013·Granted Aug 19, 2014·25 cites·29 claims
- 0494US6372252B1Guaifenesin sustained release formulation and tabletsADAMS LAB INC·Filed 2000·Granted Apr 16, 2002·88 cites·56 claims
- 0593US11435364B2Methods of treating patients at risk for renal injury and renal failureRENIBUS THERAPEUTICS INC·Filed 2019·Granted Sep 6, 2022·5 cites·13 claims
- 0693US9913860B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2015·Granted Mar 13, 2018·6 cites·40 claims
- 0793US8802152B2Microporous zirconium silicate for the treatment of hyperkalemiaKEYSER DONALD JEFFREY·Filed 2012·Granted Aug 12, 2014·25 cites·22 claims
- 0893US6955821B2Sustained release formulations of guaifenesin and additional drug ingredientsADAMS LAB INC·Filed 2002·Granted Oct 18, 2005·56 cites·77 claims
- 0992US11883371B2Stress test and treatment of chronic kidney diseaseRENIBUS THERAPEUTICS INC·Filed 2021·Granted Jan 30, 2024·2 cites·9 claims
- 1092US9943637B2Microporous zirconium silicate and its method of productionZS PHARMA INC·Filed 2013·Granted Apr 17, 2018·9 cites·13 claims
- 1192US9844567B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2014·Granted Dec 19, 2017·10 cites·22 claims
- 1292US9662352B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2014·Granted May 30, 2017·10 cites·23 claims
- 1391US9457050B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2014·Granted Oct 4, 2016·12 cites·6 claims
- 1490US9592253B1Extended use zirconium silicate compositions and methods of use thereofZS PHARMA INC·Filed 2015·Granted Mar 14, 2017·8 cites·30 claims
- 1588US9707255B2Microporous zirconium silicate for the treatment of hyperkalemia in hypercalcemic patients and improved calcium-containing compositions for the treatment of hyperkalemiaZS PHARMA INC·Filed 2013·Granted Jul 18, 2017·14 cites·36 claims
- 1687US10398730B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2015·Granted Sep 3, 2019·3 cites·19 claims
- 1786US12178789B2Stress test and treatment of chronic kidney diseaseRENIBUS THERAPEUTICS INC·Filed 2023·Granted Dec 31, 2024·0 cites·7 claims
- 1885US2023181631A1Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2022·Application pending·0 cites
- 1985US2025161235A1Stress test and treatment of chronic kidney diseaseRENIBUS THERAPEUTICS INC·Filed 2024·Application pending·0 cites
- 2083US11292813B2Iron compositions and methods of making and using the sameRENIBUS THERAPEUTICS INC·Filed 2020·Granted Apr 5, 2022·1 cites·3 claims
- 2183US7985421B2Sustained release formulations of guaifenesin and additional drug ingredientsRECKITT BENCKISER INC·Filed 2005·Granted Jul 26, 2011·2 cites·12 claims
- 2282US7838032B2Sustained release of guaifenesinRECKITT BENCKISER INC·Filed 2003·Granted Nov 23, 2010·11 cites·12 claims
- 2381US12115138B2Tetrahydrocurcumin compositions, methods of making, and methods of using the sameRENIBUS THERAPEUTICS INC·Filed 2020·Granted Oct 15, 2024·1 cites·17 claims
- 2481US10300087B2Extended use zirconium silicate compositions and methods of use thereofZS PHARMA INC·Filed 2017·Granted May 28, 2019·2 cites·22 claims
- 2580US11834471B2Iron compositions and methods of making and using the sameRENIBUS THERAPEUTICS INC·Filed 2022·Granted Dec 5, 2023·0 cites·4 claims
- 2679US2024002427A1Novel iron compositions and methods of making and using the sameRENIBUS THERAPEUTICS INC·Filed 2023·Application pending·0 cites
- 2778US11840552B2Iron compositions and methods of making and using the sameRENIBUS THERAPEUTICS INC·Filed 2022·Granted Dec 12, 2023·0 cites·7 claims
- 2877US12042501B2Metal protoporphyrin for treatment of BK virusRENIBUS THERAPEUTICS INC·Filed 2022·Granted Jul 23, 2024·0 cites·5 claims
- 2977US10413569B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2015·Granted Sep 17, 2019·1 cites·14 claims
- 3077US2024342191A1Metal protoporphyrin for treatment of bk virusRENIBUS THERAPEUTICS INC·Filed 2024·Application pending·0 cites
- 3176US11406662B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2020·Granted Aug 9, 2022·0 cites·7 claims
- 3274US11965896B2Methods of treating patients at risk for renal injury and renal failureRENIBUS THERAPEUTICS INC·Filed 2022·Granted Apr 23, 2024·0 cites·4 claims
- 3374US11738044B2Extended use zirconium silicate compositions and methods of use thereofZS PHARMA INC·Filed 2019·Granted Aug 29, 2023·0 cites·13 claims
- 3468US10695366B2Microporous zirconium silicate and diuretics for the reduction of potassium and treatment of chronic kidney and/or chronic heart diseaseZS PHARMA INC·Filed 2018·Granted Jun 30, 2020·0 cites·3 claims
- 3568US8012504B2Sustained release of guaifenesin combination drugsRECKITT BENCKISER INC·Filed 2003·Granted Sep 6, 2011·1 cites·8 claims
- 3668US7985420B2Sustained release of guaifenesin combination drugsRECKITT BENCKISER INC·Filed 2003·Granted Jul 26, 2011·1 cites·8 claims
- 3768US2018125884A1Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2017·Application pending·0 cites
- 3868US2014342017A1Microporous Zirconium Silicate for the Treatment of HyperkalemiaZS PHARMA INC·Filed 2014·Application pending·0 cites
- 3968US2025017876A1Novel tetrahydrocurcumin compositions, methods of making, and methods of using the sameRENIBUS THERAPEUTICS INC·Filed 2024·Application pending·0 cites
- 4066US2024166671A1Novel Stannic Protoporfin Compositions, Methods of Making, and Uses ThereofRENIBUS THERAPEUTICS INC·Filed 2023·Application pending·0 cites
- 4165US10335432B2Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2016·Granted Jul 2, 2019·0 cites·5 claims
- 4264US2024226144A1Methods of protecting an organ prior to surgery in patients susceptible to post-operative complications including photosensitivityRENIBUS THERAPEUTICS INC·Filed 2024·Application pending·0 cites
- 4362US2018207350A1Microporous zirconium silicate and its method of productionZS PHARMA INC·Filed 2018·Application pending·0 cites
- 4462US2025242033A1Novel Stannic Protoporfin Compositions, Methods of Making, and Uses ThereofRENIBUS THERAPEUTICS INC·Filed 2024·Application pending·0 cites
- 4561US2015196592A1Microporous zirconium silicate for the treatment of hyperkalemiaZS PHARMA INC·Filed 2015·Application pending·0 cites
- 4657US2016051584A1Microporous zirconium silicate and diuretics for the reduction of potassium and treatment of chronic kidney and/or chronic heart diseaseZS PHARMA INC·Filed 2014·Application pending·0 cites
- 4757US2014302175A1Microporous zirconium silicate and diuretics for the reduction of potassium and treatment of chronic kidney and/or chronic heart diseaseZS PHARMA INC·Filed 2014·Application pending·0 cites
- 4857US2011052689A1Sustained release of guaifenesinRECKITT BENCKISER INC·Filed 2010·Application pending·0 cites
- 4956US2022079984A1Method for treating cancer with kidney protectionRENIBUS THERAPEUTICS INC·Filed 2021·Application pending·0 cites
- 5054US2020171051A1Methods for treating renal injury by therapeutically upregulating p21RENIBUS THERAPEUTICS INC·Filed 2019·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Donald Jeffrey Keyser files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →