prostavive review

    New pharmaceutical forms of sildenafil - Google Patents

    2017-10-05 Publication of WO2017168174A1 publication Critical patent/WO2017168174A1/en Links. Espacenet; ... Whilst Viagra is a very potent and selective drug its pharmacological profile is far from ideal. a first step in solving this problem is finding variants of the product, ...

    Room for growth: Viagra patent ends - BBC News

    The patent on Viagra ended at midnight on Friday meaning cheaper versions can be sold - 15 years after the diamond-shaped pills revolutionised treatment for erectile dysfunction.

    Pfizer Wins Viagra Patent Trial

    The court's decision, which is subject to appeal, prevents Teva from receiving approval for a generic form of Viagra until October 2019. Litigation on the same patent remains pending against other generic companies, but no trials are scheduled in those other cases. Pfizer Inc.: Working together for a healthier world™