Wednesday, July 8, 2026

Patent intelligence · US

US 9487477

Crystalline phase of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine

granted A61KA61K31/145A61PA61P13/02
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 36
Patent details — US 9487477
Jurisdiction
US
Status
granted
Grant date
Nov 8, 2016
Expiration
Nov 3, 2036
Applicant
QUANTUM GENOMICS
Claims
4
CPC classes
A61K, A61K31/145, A61P, A61P13/02
View on Google Patents ↗

Quick answer

US 9487477 (Crystalline phase of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine) is held by QUANTUM GENOMICS. Status: granted. Granted Nov 8, 2016. Expires Nov 3, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
QUANTUM GENOMICS
Grant date
Expiration
Claims
4
CPC classes
A61K, A61K31/145, A61P, A61P13/02, A61P13/12, A61P25/00

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Frequently asked questions

What is US patent 9487477?

US 9487477 (Crystalline phase of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine) is held by QUANTUM GENOMICS. Status: granted. Granted Nov 8, 2016. Expires Nov 3, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9487477?

QUANTUM GENOMICS is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 36 pharmaceutical patents for this assignee.

When does US 9487477 expire?

Our index shows an expiration date of Nov 3, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.