Method for the Preparation of (3S, 3S') 4,4'-Disulfanediylbis (3-Aminobutane 1-Sulfonic Acid)
A patent family: one line of work, grouped by real continuity rather than by a technology label
inferred from titles. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
| Patent | Title | Holder | Status | Expires | Time remaining | Confidence |
|---|---|---|---|---|---|---|
| US 9,187,418 | Method for the Preparation of (3S, 3S') 4,4'-Disulfanediylbis (3-Aminobutane 1-Sulfonic Acid) In force · High confidence | Quantum Genomics | In force | High confidence | ||
| US 9,340,497 | Method for the Preparation of (3S,3S') 4,4'-Disulfanediylbis (3-Aminobutane 1-Sulfonic Acid) Lapsed May 17, 2024 on the fee record Ended May 17, 2024 · High confidence | Quantum Genomics | Lapsed May 17, 2024 on the fee record | Ended May 17, 2024 | Ended May 17, 2024 | High confidence |
2 of 2 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
1 of these is in force and held by Quantum Genomics.
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.