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Generated: August 24, 2019

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Patent: 5,503,851

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Summary for Patent: 5,503,851
Title: Microencapsulation of water-soluble medicaments
Abstract:In a process for the microencapsulation of water-soluble active ingredients according to the principle of phase separation, which comprises the steps (a) Preparation of a solution of a biocompatible polymer in an organic solvent; (b) Addition of an aqueous solution of one or more active ingredients or dispersion of one or more solid active ingredients in the solution from stage (a); (c) Addition of a coacervation agent to the emulsion or dispersion from stage (b); (d) Introduction of the mixture from stage (c) into an excess of a hardening agent; (e) Collection and washing of the microcapsules, natural or synthetic esters of saturated C.sub.4 to C.sub.18 carboxylic acids and polyhydric alcohols are used as hardening agents.
Inventor(s): Mank; Reinhard (Kiel-Russee, DE), Gustafsson; Jan (Kiel, DE), Horig; Joachim (Kiel-Kronshagen, DE), Kochling; Wolfgang (Tuttendorf, DE), Nerlich; Birgit (Kiel-Russee, DE)
Assignee: Ferring Arzneimittel GmbH (Kiel, DE)
Application Number:08/084,592
Patent Claims:see list of patent claims

Details for Patent 5,503,851

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 004 2015-01-23 ➤ Sign Up Ferring Arzneimittel GmbH (Kiel, DE) 2013-04-02 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 003 2015-01-23 ➤ Sign Up Ferring Arzneimittel GmbH (Kiel, DE) 2013-04-02 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 002 2015-01-23 ➤ Sign Up Ferring Arzneimittel GmbH (Kiel, DE) 2013-04-02 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 001 2015-01-23 ➤ Sign Up Ferring Arzneimittel GmbH (Kiel, DE) 2013-04-02 RX Orphan search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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