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Last Updated: October 1, 2020

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Patent: 4,060,597

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Summary for Patent: 4,060,597
Title: Serological reagent and preparation thereof
Abstract:A latex reagent is prepared by allowing latex particles to adsorb a nonionic surfactant of ethylene oxide type, sensitizing the latex particles thus having the surfactant adsorbed with a serologically active substance such as antigen or antibody and suspending the sensitized latex particles in an aqueous solvent. The thus-prepared latex reagent has an excellent quality, e.g. both a high stability and a high sensitivity in serologic reactions, and can be employed with advantages in a broad variety of serologic reactions.
Inventor(s): Sato; Yukio (Osaka, JA), Wada; Seijun (Osaka, JA), Matsuzawa; Shigetaka (Tokyo, JA)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JA)
Application Number:05/593,531
Patent Claims:see list of patent claims

Details for Patent 4,060,597

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Octapharma Usa Inc CUTAQUIG immunoglobulin g SOLUTION 125668 1 2019-05-03   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JA) 1994-11-29 search
Adma Biologics, Inc. ASCENIV human immunoglobulin g LIQUID 125590 1 2019-04-01   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JA) 1994-11-29 search
Csl Behring Ag HIZENTRA human immunoglobulin g LIQUID 125350 1 2020-01-01   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JA) 1994-11-29 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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