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Siegfried AG

Also on record
Records under this name other than the patents Siegfried AG holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 13 patents it holds.

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PatentTitleStatus Expires Confidence
US 10,034,883Mesoporous Dosage Forms for Poorly Soluble Drugs
Lapsed on the fee record
Ended Jul 31, 2026 · High confidence
Lapsed on the fee recordEnded Jul 31, 2026High confidence
US 10,035,807Method of Manufacturing Stereoisomers of Buprenorphine and Analogues Thereof
Lapsed on the fee record
Ended Jul 31, 2026 · High confidence
Lapsed on the fee recordEnded Jul 31, 2026High confidence
US 10,010,510Oral Pharmaceutical Formulation
Lapsed on the fee record
Ended Jul 3, 2026 · High confidence
Lapsed on the fee recordEnded Jul 3, 2026High confidence
US 11,104,630Synthesis of mono-chlorinated acetophenone
Lapsed on the fee record
Ended Aug 31, 2025 · From the USPTO record
Lapsed on the fee recordEnded Aug 31, 2025From the USPTO record
US 9,745,249Method for the preparation of beta-substituted gamma-amino carboxylic acids
Lapsed on the fee record
Ended Aug 29, 2025 · From the USPTO record
Lapsed on the fee recordEnded Aug 29, 2025From the USPTO record
US 7,872,135Method for introducing a 1,2-double bond into 3-oxo-4-azasteroid compounds
Lapsed on the fee record
Ended Jan 18, 2015 · From the USPTO record
Lapsed on the fee recordEnded Jan 18, 2015From the USPTO record
US 3,947,584Novel indolyl alkyl amines, method of producing same, and their use as anorectic agents
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 4,115,393Pyridyl alkyl esters of substituted phenoxy alkanoic acids having the ability to reduce the level of fatty substances in the blood
Term ended
Term ended no later than Sep 19, 1998 · Low confidence
Term endedTerm ended no later than Sep 19, 1998Low confidence
US 4,124,767Imidazolyl-oxime ethers having anti-mycotic and bactericidal activity
Term ended
Term ended no later than Nov 7, 1998 · Low confidence
Term endedTerm ended no later than Nov 7, 1998Low confidence
US 4,131,608Thioethers
Term ended
Term ended no later than Dec 26, 1998 · Low confidence
Term endedTerm ended no later than Dec 26, 1998Low confidence
10 of 40 patents shown.
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Pro members: see all 40 patents
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