Estrogens, Conjugated; Medroxyprogesterone Acetate Patent Expiration

Estrogens, Conjugated; Medroxyprogesterone Acetate was first introduced by Wyeth Pharmaceuticals Inc in its drug Prempro (Premarin;Cycrin) on Dec 30, 1994. Other drugs containing Estrogens, Conjugated; Medroxyprogesterone Acetate are Premphase (Premarin;Cycrin 14/14), Prempro, Premphase 14/14. 2 different companies have introduced drugs containing Estrogens, Conjugated; Medroxyprogesterone Acetate.


Estrogens, Conjugated; Medroxyprogesterone Acetate Patents

Given below is the list of patents protecting Estrogens, Conjugated; Medroxyprogesterone Acetate, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Premphase 14/14 US5547948 Controlled release of steroids from sugar coatings Jan 17, 2015

(Expired)

Wyeth Pharms
Prempro US5547948 Controlled release of steroids from sugar coatings Jan 17, 2015

(Expired)

Wyeth Pharms



Estrogens, Conjugated; Medroxyprogesterone Acetate's Family Patents

Family Patents

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