Wednesday, June 10, 2026

Patent intelligence · CN

CN 1284066

Substituted inidazole derivatives having agonist-like activity at alpha 2B or 2B/2C adrenergic receptors

expired A61K 31/ 415 A IA61K 31/ 497 A IA61K 31/ 4164 A IA61K 31/ 4178 A I
Status expired
Linked drugs 1
Pipeline programs 4
Years to expiry 0
Applicant portfolio 24
Patent details — CN 1284066
Jurisdiction
CN
Status
expired
Grant date
Feb 14, 2001
Expiration
Feb 9, 2021
CPC classes
A61K 31/ 415 A I, A61K 31/ 497 A I, A61K 31/ 4164 A I, A61K 31/ 4178 A I
View on Google Patents ↗

Quick answer

CN 1284066 (Substituted inidazole derivatives having agonist-like activity at alpha 2B or 2B/2C adrenergic receptors) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Feb 14, 2001. Expires Feb 9, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 31/ 415 A I, A61K 31/ 497 A I, A61K 31/ 4164 A I, A61K 31/ 4178 A I, A61K 31/ 4725 A I, A61K31/415

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Frequently asked questions

What is US patent 1284066?

CN 1284066 (Substituted inidazole derivatives having agonist-like activity at alpha 2B or 2B/2C adrenergic receptors) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Feb 14, 2001. Expires Feb 9, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns CN 1284066?

ALLERGEN SALES INC [US] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 24 pharmaceutical patents for this assignee.

When does CN 1284066 expire?

Our index shows an expiration date of Feb 9, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.