Patent intelligence · US
US 6294155
Abrasive silica compositions and dentifrice compositions prepared therefrom
Abrasive silica compositions and dentifrice compositions prepared therefrom
Patent details — US 6294155
- Jurisdiction
- US
- Status
- expired
- Grant date
- Sep 25, 2001
- Expiration
- Sep 20, 2021
- Applicant
- W.R. Grace & Co.-Conn.
- Claims
- 11
- CPC classes
- A61K, A61K2800/412, A61K8/25
Quick answer
US 6294155 (Abrasive silica compositions and dentifrice compositions prepared therefrom) is held by W.R. Grace & Co.-Conn.. Status: expired. Granted Sep 25, 2001. Expires Sep 20, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- W.R. Grace & Co.-Conn.
- Grant date
- Expiration
- Claims
- 11
- CPC classes
- A61K, A61K2800/412, A61K8/25
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Frequently asked questions
What is US patent 6294155?
US 6294155 (Abrasive silica compositions and dentifrice compositions prepared therefrom) is held by W.R. Grace & Co.-Conn.. Status: expired. Granted Sep 25, 2001. Expires Sep 20, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6294155?
W.R. Grace & Co.-Conn. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 34 pharmaceutical patents for this assignee.
When does US 6294155 expire?
Our index shows an expiration date of Sep 20, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.