ZS Pharma, Inc. Patent Applications Rejected
16 applications abandoned without a patent; the status gives the reason, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2022-06-30: Application 17855758; Invention MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA; Applicant ZS Pharma, Inc.; Status Abandoned -- Failure to Respond to an Office Action.
- 2018-03-19: Application 15925251; Invention MICROPOROUS ZIRCONIUM SILICATE AND ITS METHOD OF PRODUCTION; Applicant ZS PHARMA, INC.; Status Abandoned -- Failure to Respond to an Office Action.
- 2017-11-08: Application 15807352; Invention MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA; Applicant ZS PHARMA, INC.; Status Abandoned -- Failure to Respond to an Office Action.
- 2016-05-06: Application 15035141; Invention MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA; Applicant ZS PHARMA, INC.; Status Abandoned -- Failure to Respond to an Office Action.
| Filed | Application | Invention | Applicant | Status | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|
| 2022-06-30 | 17855758 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20230181631A1 | Donald Jeffrey Keyser Alvaro F. Guillem | United States United States | GREENE, IVAN A |
| 2018-03-19 | 15925251 | MICROPOROUS ZIRCONIUM SILICATE AND ITS METHOD OF PRODUCTION | ZS PHARMA, INC. | Abandoned -- Failure to Respond to an Office Action | US20180207350A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | GREENE, IVAN A |
| 2017-11-08 | 15807352 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS PHARMA, INC. | Abandoned -- Failure to Respond to an Office Action | US20180125884A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | KLINKEL, KORTNEY L |
| 2016-05-06 | 15035141 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS PHARMA, INC. | Abandoned -- Failure to Respond to an Office Action | US20160271174A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | KLINKEL, KORTNEY L |
| 2015-10-26 | 14923099 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS PHARMA, INC. | Abandoned -- Failure to Respond to an Office Action | US20160038538A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | GREENE, IVAN A |
| 2015-10-02 | 14782288 | MICROPOROUS ZIRCONIUM SILICATE AND DIURETICS FOR THE REDUCTION OF POTASSIUM AND TREATMENT OF CHRONIC KIDNEY AND/ | ZS PHARMA, INC. | Abandoned -- Failure to Respond to an Office Action | US20160051584A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | KLINKEL, KORTNEY L |
| 2015-08-13 | 14826058 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20150359821A1 | Donald Jeffrey Keyser Alvaro F. Guillem | United States United States | GREENE, IVAN A |
| 2015-06-26 | 14752364 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20150374748A1 | Donald Jeffrey KEYSER Alvaro F. Guillem | United States United States | GREENE, IVAN A |
| 2015-03-31 | 14659043 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20150196592A1 | Donald Jeffrey Keyser Alvaro F. Guillem | United States United States | KLINKEL, KORTNEY L |
| 2014-12-10 | 14565965 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA WITHOUT CO-ADMINISTRATION OF LITHIUM | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20150313938A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | KLINKEL, KORTNEY L |
| 2014-11-07 | 14536056 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20150290242A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | GREENE, IVAN A |
| 2014-11-07 | 14536046 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20160375054A1 | Donald Jeffrey KEYSER Alvaro F. Guillem | United States United States | WORSHAM, JESSICA N |
| 2014-09-25 | 14496978 | MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA | ZS Pharma, Inc. | Abandoned -- Incomplete Application (Pre-examination) | Donald Jeffrey KEYSER Alvaro F. Guillem | United States United States | ||
| 2014-08-01 | 14450126 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20140342017A1 | Donald Jeffrey KEYSER Alvaro F. Guillem | United States United States | KLINKEL, KORTNEY L |
| 2014-07-01 | 14321678 | Microporous Zirconium Silicate for the Treatment of Hyperkalemia | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20140377560A1 | Donald Jeffrey KEYSER Alvaro F. Guillem | United States United States | KLINKEL, KORTNEY L |
| 2014-04-03 | 14244446 | MICROPOROUS ZIRCONIUM SILICATE AND DIURETICS FOR THE REDUCTION OF POTASSIUM AND TREATMENT OF CHRONIC KIDNEY AND/ | ZS Pharma, Inc. | Abandoned -- Failure to Respond to an Office Action | US20140302175A1 | Donald Jeffrey KEYSER Alvaro F. GUILLEM | United States United States | KLINKEL, KORTNEY L |