Last Updated: August 8, 2026

Details for Patent: 3,629,425


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Summary for Patent: 3,629,425
Title:Stabilized 2-pam solutions
Abstract:THERE ARE DISCLOSED HEREIN CONCENTRATED AQUEOUS SOLUTIONS OF 2-PAM SALTS WITH MINERAL ACIDS OPTIONALLY ALSO CONTAINING UP TO 0.5 PERCENT OF ATROPINE, STABILIZED BY ADDITION OF MINERAL ACID TO A FINAL PH OF 1.0 TO 3.0. SOLUTIONS OF 2-PAM SALTS WITH OR WITHOUT ATROPINE STABILIZED IN THIS MANNER ARE MANY TIMES MORE STABLE THAN SOLUTIONS PREPRED IN THE CONVENTIONAL WAY.
Inventor(s):Anwar A Hussain
Assignee: Wyeth LLC
Application Number:US775911A
Patent Claim Types:
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Patent landscape, scope, and claims:

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Drugs Protected by US Patent 3,629,425

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 3,629,425

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Belgium 741720 ⤷  Start Trial
Canada 946288 ⤷  Start Trial
Germany 1957447 ⤷  Start Trial
France 2023265 ⤷  Start Trial
United Kingdom 1278117 ⤷  Start Trial
Netherlands 6917153 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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