US Patent

US8648077 — 4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3â²,4â²:4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl)-1-(4-fluorophenyl)-1-butanone toluenesulfonic acid addition salt and salt crystals

Composition of Matter · Assigned to Intra Cellular Therapies Inc · Expires 2029-12-01 · 4y remaining

Vulnerability score 10/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects toluenesulfonic acid addition salt crystals of the compound 4-((6bR,10aS)-3-Methyl-2,3,6b,9,10,10a-Hexahydro-1H-Pyrido[3â²,4â²:4,5]Pyrrolo[1,2,3-De]Quinoxalin-8(7H)-yl)-1-(4-Fluorophenyl)-1-Butanone.

USPTO Abstract

The present invention relates to toluenesulfonic acid addition salt crystals of 4-((6bR,10aS)-3-Methyl-2,3,6b,9,10,10a-Hexahydro-1H-Pyrido[3â²,4â²:4,5]Pyrrolo[1,2,3-De]Quinoxalin-8(7H)-yl)-1-(4-Fluorophenyl)-1-Butanone, the method of making and using such crystals.

Drugs covered by this patent

lumateperone-tosylate (LUMATEPERONE TOSYLATE)

Patent Metadata

Patent number: US8648077
Jurisdiction: US
Classification: Composition of Matter
Expires: 2029-12-01
Drug substance claim: Yes
Drug product claim: Yes
Assignee: Intra Cellular Therapies Inc
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.