US Patent

US11529368 — Colonoscopy—preparation

Method of Use · Assigned to Norgine BV · Expires 2032-03-09 · 6y remaining

Vulnerability score 59/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a method of cleansing the colon of a subject using a solution containing ascorbate anion and polyethylene glycol.

USPTO Abstract

The invention provides a colon cleansing solution comprising: a) 300 to 2000 mmol per litre ascorbate anion provided by ascorbic acid, one or more salts of ascorbic acid, or a mixture thereof; and h) 10 to 200 g per litre polyethylene glycol. The invention also provides methods and kits associated with, or making use of the solutions. The invention also provides a method of cleansing the colon of a subject comprising: —administering to the subject an effect amount of a first cleansing solution; and then after a time interval—administering to the subject an effective amount of a second cleansing solution, wherein the two cleansing solutions are as described in the specification.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-2310 — Infuvite Adult

Patent Metadata

Patent number
US11529368
Jurisdiction
US
Classification
Method of Use
Expires
2032-03-09
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.

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