Thursday, June 11, 2026

Patent intelligence · WO

WO 0210256

EIN- ODER MEHRFACHQUARTÄRE POLYSILOXANE

expired A61K 8/ 00 A IA61K 8/ 89 A IA61K 8/ 895 A IA61K 8/ 898 A I
Status expired
Years to expiry 0
Applicant portfolio 2
Patent details — WO 0210256
Jurisdiction
WO
Status
expired
Grant date
Feb 7, 2002
Expiration
Feb 2, 2022
CPC classes
A61K 8/ 00 A I, A61K 8/ 89 A I, A61K 8/ 895 A I, A61K 8/ 898 A I
View on Google Patents ↗

Quick answer

WO 0210256 (EIN- ODER MEHRFACHQUARTÄRE POLYSILOXANE) is held by GE BAYER SILICONES GMBH & CO [DE]. Status: expired. Granted Feb 7, 2002. Expires Feb 2, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 8/ 00 A I, A61K 8/ 89 A I, A61K 8/ 895 A I, A61K 8/ 898 A I, A61K/8898, A61K7/48

More from GE BAYER SILICONES GMBH & CO [DE]

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  1. WO 0210259

    POLYSILOXANPOLYMERE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG

    GE BAYER SILICONES GMBH & CO [DE] · Expires Feb 2, 2022

    expired

Frequently asked questions

What is US patent 0210256?

WO 0210256 (EIN- ODER MEHRFACHQUARTÄRE POLYSILOXANE) is held by GE BAYER SILICONES GMBH & CO [DE]. Status: expired. Granted Feb 7, 2002. Expires Feb 2, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns WO 0210256?

GE BAYER SILICONES GMBH & CO [DE] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does WO 0210256 expire?

Our index shows an expiration date of Feb 2, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.