Patent intelligence · CN
CN 1291100
Cyclopentane Heptan (ene) oic acid, 2-hetero arylakenyl derivatives and therapeutic agents
Cyclopentane Heptan (ene) oic acid, 2-hetero arylakenyl derivatives and therapeutic agents
Patent details — CN 1291100
- Jurisdiction
- CN
- Status
- expired
- Grant date
- Apr 11, 2001
- Expiration
- Apr 6, 2021
- Applicant
- ALLERGEN SALES INC [US]
- CPC classes
- A61K 31/ 34 A I, A61K 31/ 38 A I, A61K 31/ 557 A I, A61K 31/ 5575 A I
Quick answer
CN 1291100 (Cyclopentane Heptan (ene) oic acid, 2-hetero arylakenyl derivatives and therapeutic agents) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Apr 11, 2001. Expires Apr 6, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- ALLERGEN SALES INC [US]
- Grant date
- Expiration
- Claims
- —
- CPC classes
- A61K 31/ 34 A I, A61K 31/ 38 A I, A61K 31/ 557 A I, A61K 31/ 5575 A I, A61K 31/ 5585 A I, A61K/31557
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Frequently asked questions
What is US patent 1291100?
CN 1291100 (Cyclopentane Heptan (ene) oic acid, 2-hetero arylakenyl derivatives and therapeutic agents) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Apr 11, 2001. Expires Apr 6, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns CN 1291100?
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 1291100 expire?
Our index shows an expiration date of Apr 6, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.