Amphastar Pharmaceuticals, Inc. Active Patents
22 granted patents the USPTO still lists as patented, 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.
- 2025-07-10: Application 19265888; Invention ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GREEN PROPELLANT HYDROFLUOROOLEFIN (HFO) AND FREE OF CO-SOLVENT; Applicant Amphastar Pharmaceuticals, Inc.; Status Patented Case.
- 2025-01-06: Application 19011043; Invention ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GREEN PROPELLANT HYDROFLUOROOLEFIN (HFO) AND FREE OF CO-SOLVENT; Applicant Amphastar Pharmaceuticals, Inc.; Status Patented Case.
- 2024-07-31: Application 18790336; Invention STABLE EPINEPHRINE SUSPENSION FORMULATION FOR INHALATION WITH HFO PROPELLANT; Applicant Amphastar Pharmaceuticals, Inc.; Status Patented Case.
- 2023-02-10: Application 18167260; Invention NASAL POWDER FORMULATION FOR TREATMENT OF HYPOGLYCEMIA; Applicant AMPHASTAR PHARMACEUTICALS, INC.; Status Patented Case.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-10 | 19265888 | ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GREEN PROPELLANT HYDROFLUOROOLEFIN (HFO) AND FREE OF CO-SOLVENT | Amphastar Pharmaceuticals, Inc. | Patented Case | 2026-06-02 | 12642779 | Jack Yongfeng ZHANG Ying WANG Ray Lameng LEI Mary Zi-ping LUO | United States United States United States United States | AZPURU, CARLOS A | |
| 2025-01-06 | 19011043 | ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GREEN PROPELLANT HYDROFLUOROOLEFIN (HFO) AND FREE OF CO-SOLVENT | Amphastar Pharmaceuticals, Inc. | Patented Case | 2025-08-12 | 12383516 | Jack Yongfeng ZHANG Ying WANG Ray Lameng LEI Mary Zi-ping LUO | United States United States United States United States | AZPURU, CARLOS A | |
| 2024-07-31 | 18790336 | STABLE EPINEPHRINE SUSPENSION FORMULATION FOR INHALATION WITH HFO PROPELLANT | Amphastar Pharmaceuticals, Inc. | Patented Case | 2025-12-16 | 12496272 | Jack Yongfeng ZHANG Mary Zi-ping LUO Ying WANG Ray Lameng LEI Christos LYMBEROPOULOS Tielong GAO | United States United States United States United States United States United States | TRUONG, QUANGLONG N | |
| 2023-02-10 | 18167260 | NASAL POWDER FORMULATION FOR TREATMENT OF HYPOGLYCEMIA | AMPHASTAR PHARMACEUTICALS, INC. | Patented Case | 2025-07-29 | 12370241 | US20230302093A1 | Sankaram MANTRIPRAGADA Claude A. PICHE Jo Jan Filip VAN BETSBRUGGE | United States United States United States | AUDET, MAURY A |
| 2022-10-28 | 17976111 | INJECTABLE EPINEPHRINE FORMULATIONS DEMONSTRATING STABILITY OVER TIME | Amphastar Pharmaceuticals, Inc. | Patented Case | 2026-03-03 | 12564562 | US20230140033A1 | Jack Yongfeng Zhang Mary Zi-ping Luo Fonda Su Marvin Lin Jie Fei Ding Justin Jun Wei Wenbo Yu Rong Zhou | United States United States United States United States United States United States United States United States | SAMSELL, RILLA MARIE |
| 2022-10-25 | 17921235 | SMALL ANGLE X-RAY SCATTERING METHODS FOR CHARACTERIZING THE IRON CORE OF IRON CARBOHYDRATE COLLOID DRUG PRODUCTS | Amphastar Pharmaceuticals, Inc. | Patented Case | 2023-08-15 | 11726049 | US20230124114A1 | Jack Yongfeng ZHANG Mary Zi-Ping LUO Thang Kien CHIU Anthony MARRS Selina SU | United States United States United States United States United States | FAYE, MAMADOU |
| 2021-10-25 | 17606214 | METHOD FOR PREPARING STABLE PEPTIDE FORMULATIONS | Amphastar Pharmaceuticals, Inc. | Patented Case | 2025-12-30 | 12508229 | US20220192988A1 | Gregory Nelson Brown Kurt Gard Van Scoik | United States United States | SHOMER, ISAAC |
| 2021-03-12 | 17275821 | NOVEL PRO-INSULIN ASPART STRUCTURE AND METHOD FOR PREPARING INSULIN ASPART | AMPHASTAR NANJING PHARMACEUTICALS INC | Patented Case | 2025-06-10 | 12325732 | US20210332100A1 | Chuangen TANG Shangshu PAN Xiaorui LIU Cheng LI Huaiyan CUI Song CHEN Haoning ZHANG Jeffrey DING | China China China China China China China China | ESPINOSA, CLAUDIA EDILMA |
| 2020-08-21 | 16999446 | MEDICATION DELIVERY SYSTEMS AND METHODS | Amphastar Pharmaceuticals, Inc. | Patented Case | 2024-03-26 | 11938089 | US20200375845A1 | Jaime Ray ARNETT Andrew Thomas SNOW | United States United States | HUSSAIN, NIDAH MAHREEN |
| 2020-03-11 | 16646506 | PREPARATION METHOD FOR HIGH PURITY RACEMIC ADRENALINE | AMPHASTAR NANJING PHARMACEUTICALS INC. | Patented Case | 2020-10-06 | 10793512 | US20200270199A1 | Yin WANG Aoxiang ZHANG Yonggang XU Song CHEN Haoning ZHANG | China China China China China | MURESAN, ANA Z |
| 2019-09-25 | 16583125 | HIGHLY PURIFIED RECOMBINANT HUMAN INSULIN (RHI) API AND METHODS OF PRODUCING THE SAME | Amphastar Pharmaceuticals, Inc. | Patented Case | 2022-12-13 | 11524987 | US20200216511A1 | Jie Fei Ding Aili Bo Jack Yongfeng Zhang Mary Zi-ping Luo Zhongli Bao | United States United States United States United States United States | LIEB, JEANETTE M |
| 2019-08-28 | 16553681 | HIGH-PURITY INHALABLE PARTICLES OF INSULIN AND INSULIN ANALOGUES, AND HIGH-EFFICIENCY METHODS OF MANUFACTURING THE SAME | Amphastar Pharmaceuticals, Inc. | Patented Case | 2022-09-20 | 11446360 | US20190388514A1 | Jeffrey Ding Aili Bo Mary Ziping Luo Jack Yongfeng Zhang | United States United States United States United States | MARTINEZ, TARA L |
| 2019-07-03 | 16502033 | METHOD FOR PREPARING LIRAGLUTIDE INTERMEDIATE POLYPEPTIDE | AMPHASTAR NANJING PHARMACEUTICALS INC. | Patented Case | 2020-12-01 | 10851146 | US20190359675A1 | Shangshu PAN Chuangen TANG Cheng LI Xiaorui LIU Huaiyan CUI Song CHEN Haoning ZHANG | China China China China China China China | D' AMBROSIO, THEA |
| 2019-03-19 | 16358460 | METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A | AMPHASTAR NANJING PHARMACEUTICALS INC. | Patented Case | 2020-11-10 | 10829455 | US20190210972A1 | Yonggang Xu Hao Wei Song Chen Haoning Zhang | China China China China | DESAI, RITA J |
| 2019-02-04 | 16266640 | NASAL POWDER FORMULATION FOR TREATMENT OF HYPOGLYCEMIA | Amphastar Pharmaceuticals, Inc. | Patented Case | 2025-02-18 | 12226456 | US20190282666A1 | Sankaram Mantripragada Claude A. Piche Jo Jan Filip Van Betsbrugge | United States Canada Canada | AUDET, MAURY A |
| 2016-09-29 | 15280508 | HIGH-PURITY INHALABLE PARTICLES OF INSULIN AND INSULIN ANALOGUES, AND HIGH-EFFICIENCY METHODS OF MANUFACTURING THE SAME | Amphastar Pharmaceuticals Inc. | Patented Case | 2019-09-10 | 10406210 | US20170196942A1 | Jeffrey Ding Aili Bo Mary Ziping Luo Jack Yongfeng Zhang | United States United States United States United States | YANG, KAIPEEN E |
| 2016-01-07 | 14990787 | HIGH-PURITY INHALABLE PARTICLES OF INSULIN AND INSULIN ANALOGUES, AND HIGH-EFFICIENCY METHODS OF MANUFACTURING THE SAME | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2019-06-18 | 10322168 | US20170196941A1 | Jeffrey Ding Aili Bo Mary Ziping Luo Jack Yongfeng Zhang | United States United States United States United States | YANG, KAIPEEN E |
| 2015-07-08 | 14794766 | MICRONIZED INSULIN AND MICRONIZED INSULIN ANALOGUES PREPARED UNDER ACIDIC CONDITIONS, AND METHODS OF MANUFACTURING THE SAME UNDER ACIDIC CONDITIONS | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2019-04-16 | 10258573 | US20160008287A1 | Jeffrey Ding Aili Bo Mary Ziping Luo Jack Yongfeng Zhang | United States United States United States United States | FISCHER, JOSEPH |
| 2015-06-26 | 14752664 | METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2019-05-14 | 10287249 | US20160096808A1 | Yonggang Xu Hao Wei Song Chen Haoning Zhang | China China China China | DESAI, RITA J |
| 2015-05-15 | 14714196 | METHOD OF PREPARING INTERMEDIATE OF SALMETEROL | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2016-09-20 | 9447067 | US20160096816A1 | Yinhua Qiu Zhengyuan Wu Song Chen Haoning Zhang | China China China China | DANIEL, LAURA M |
| 2015-05-15 | 14714191 | METHOD OF PURIFYING IDRAPARINUX SODIUM | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2018-01-23 | 9873712 | US20160096856A1 | Jundong Meng Yonggang Xu Wencun Wang Song Chen Haoning Zhang | China China China China China | SHIAO, YIH-HORNG |
| 2015-04-16 | 14688960 | METHODS OF PREPARING INTERMEDIATE OF FLUTICASONE PROPIONATE | AMPHASTAR PHARMACEUTICALS INC. | Patented Case | 2016-04-05 | 9303060 | US20160096863A1 | Yinhua Qiu Zhengyuan Wu Yong Liu Song Chen Haoning Zhang | China China China China China | ZUCKER, PAUL A |
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