C12Y 304/21085
Limulus clotting factor b
Official title: Limulus clotting factor B (3.4.21.85)
C12Y304/21085 (Limulus clotting factor b) appears on 4 US grants and 7 published applications in this corpus.
Search patents in C12Y- Granted patents
- 4
- Published applications
- 7
- Assignees
- 3
- Inventors
- 12
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2021 | 0 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Horseshoe crab factor B variant3 Feb 2026US 12,540,349 B2Seikagaku Corporation
- Recombinant amebocyte lysate and uses thereof3 Dec 2024US 12,158,471 B2Charles River Laboratories, Inc.
- Horseshoe crab factor B variant15 Nov 2022US 11,499,177 B2Seikagaku Corporation
- Factor B and C2 protein point mutants, a method for enhancing the activity of anti-cancer antibodies, the pharmaceutical composition and the use of mutants16 Aug 2022US 11,414,468 B2Gdanski Uniwersytet Medyczny
- Horseshoe crab factor b variant23 Jul 2026US 2026/0209822 A1Seikagaku Corporation
- Hybrid amebocyte lysate and uses thereof18 Apr 2024US 2024/0125789 A1Charles River Laboratories, Inc.
- Hybrid amebocyte lysate and uses thereof17 Aug 2023US 2023/0258647 A1Charles River Laboratories, Inc.
- Horseshoe crab factor b variant22 Jun 2023US 2023/0193349 A1Seikagaku Corporation
- Horseshoe crab factor b variant25 Nov 2021US 2021/0363564 A1Seikagaku Corporation
Most cited
By later US patents