DURAPHYL Drug Patent Profile
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Which patents cover Duraphyl, and what generic alternatives are available?
Duraphyl is a drug marketed by Forest Labs and is included in three NDAs.
The generic ingredient in DURAPHYL is theophylline. There are thirty-six drug master file entries for this compound. Twenty suppliers are listed for this compound. Additional details are available on the theophylline profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Duraphyl
A generic version of DURAPHYL was approved as theophylline by RHODES PHARMS on September 1st, 1982.
Summary for DURAPHYL
US Patents: | 0 |
Applicants: | 1 |
NDAs: | 3 |
Raw Ingredient (Bulk) Api Vendors: | 171 |
Patent Applications: | 3,877 |
Formulation / Manufacturing: | see details |
DailyMed Link: | DURAPHYL at DailyMed |
Anatomical Therapeutic Chemical (ATC) Classes for DURAPHYL
US Patents and Regulatory Information for DURAPHYL
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Forest Labs | DURAPHYL | theophylline | TABLET, EXTENDED RELEASE;ORAL | 088503-001 | Apr 3, 1985 | DISCN | No | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Forest Labs | DURAPHYL | theophylline | TABLET, EXTENDED RELEASE;ORAL | 088504-001 | Apr 3, 1985 | DISCN | No | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Forest Labs | DURAPHYL | theophylline | TABLET, EXTENDED RELEASE;ORAL | 088505-001 | Apr 3, 1985 | DISCN | No | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |