Patents
US 9006421 B2: Cephalosporin compositions and methods of manufacture
- Granted
- 2015-04-14
- Filed
- 2014-03-14 application 14211526
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
Source: PVGPATDIS, file of 2026-04-10 (ipg150414.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Cubist Pharmaceuticals LLC 29 patents | Foreign company or organization | Lexington, MA | CUBIST PHARMACEUTICALS INC SEC filer FUZZY low confidence: same name (legal endings aside), one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jan-Ji Lai | Westborough, MA | 11 | PVGPATDIS, file of 2026-04-10 | |
| Pradip M. Pathare | Lexington, MA | 4 | PVGPATDIS, file of 2026-04-10 | |
| Laxma Kolla | Princeton, NJ | 2 | PVGPATDIS, file of 2026-04-10 | |
| Adrien F. Soret | Watertown, MA | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07D | Heterocyclic compounds | C07D501/59 | PVGPATDIS, file of 2026-04-10 |
| A61K | Preparations for medical, dental or toiletry purposes | A61K31/41 | PVGPATDIS, file of 2026-04-10 |
| C07F | Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium | C07F9/65613 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-08-08 | Merger Merger | MERCK SHARP & DOHME CORP. signed 2022-04-07 | MERCK SHARP & DOHME LLC RAHWAY, NJ | 61102/145 | PASDL, file of 2026-10-15 |
| 2015-12-03 | Assignment Assignment of assignor's interest | CALIXA THERAPEUTICS, INC. signed 2015-06-10 | MERCK SHARP & DOHME CORP. RAHWAY, NJ | 37198/658 | PASDL, file of 2026-10-15 |
| 2015-12-02 | Assignment Assignment of assignor's interest | CUBIST PHARMACEUTICALS, INC. signed 2014-06-03 | CALIXA THERAPEUTICS, INC. LEXINGTON, MA | 37190/908 | ECORSEXC, file of 2026-09-25 |
| 2015-02-13 | Assignment Assignment of assignor's interest | LAI, JAN-JI signed 2014-03-03 SORET, ADRIEN F. signed 2014-03-03 KOLLA, LAXMA signed 2014-03-05 PATHARE, PRADIP M. signed 2014-03-07 | CUBIST PHARMACEUTICALS, INC. LEXINGTON, MA | 34961/885 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.