US Patent

US8999313 — Compositions

Formulation · Assigned to Norgine BV · Expires 2033-09-10 · 7y remaining

Vulnerability score 25/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a colon cleansing solution composition containing ascorbate anion and polyethylene glycol in specific concentrations.

USPTO Abstract

The invention provides a colon cleansing solution comprising: a) 300 to 800 mmol per liter ascorbate anion provided by a mixture of: (i) ascorbic acid and (ii) one or more salts of ascorbic acid the components (i) and (ii) being present in a molar ratio of from 1:4.5 to 1:7.0; and b) 10 to 200 g per liter polyethylene glycol. The invention also provides methods an kits associated with, or making use of the solutions, and compositions for the preparation of the solutions.

Drugs covered by this patent

Patent Metadata

Patent number
US8999313
Jurisdiction
US
Classification
Formulation
Expires
2033-09-10
Drug substance claim
No
Drug product claim
Yes
Assignee
Norgine BV
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.