Pierrel S.p.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5470858 Derivatives of (hetero)aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing themExpiredJun 19, 92Nov 28, 95[A61K, C07H]
5010056 Pharmaceutical composition for intranasal administration, comprising GH-releasing hormone, a cholinergic agonist and optionally a bile saltExpiredJul 25, 88Apr 23, 91[A61K]
4933490 Process for the preparation of L(-)carnitine hydrochloride and of L(-)carnitine inner saltExpiredSep 22, 87Jun 12, 90[C07C]
4902790 Novel process for the synthesis of amikacinExpiredOct 02, 86Feb 20, 90[C07H]
4894460 Basic esters exhibiting an antagonistic activity to calcium, process for the preparation thereof and pharmaceutical compositions therefromExpiredDec 19, 83Jan 16, 90[C07D]
4774325 New 8-substituted nucleoside and purine derivatives, the process for the preparation thereof and the pharmaceutical compositions containing themExpiredSep 16, 85Sep 27, 88[C07H, A61K]
4675196 Process for the total or partial elimination of aspartic acid and glutamic acid from protein hydrolyzates and mixtures of aminoacids, and aminoacid compositions therefromExpiredFeb 28, 84Jun 23, 87[C07C, C12H, A23C]
4588712 (8S)-8-fluoroerythromycin derivatives, the process for the preparation thereof and the pharmaceutical compositions containing themExpiredFeb 28, 85May 13, 86[A61K, C07H]
4579861 Aryloxypropanolamine derivatives, pharmaceutical compositions and adrenegic thereofExpiredJan 06, 84Apr 01, 86[A61K, C07D]
4560662 Streptomyces antibioticus ATCC 31771 and process for obtaining sameExpiredNov 03, 83Dec 24, 85[C12R, C12N]
4526985 Process for the preparation of the anhydride of N-formyl-L-aspartic acidExpiredJul 18, 83Jul 02, 85[C07D]
4508719 Hydroxyimino and alkoxyimino derivatives of 1,4-dihydropyridine and anti-hypertensive compositionsExpiredMay 26, 83Apr 02, 85[A61K, C07D]
4434097 Process for the removal of the formyl group from N-formyl peptides and esters thereofExpiredApr 26, 82Feb 28, 84[C07C]
4429115 3-O-Oleandrosyl-5-O-desosaminyl erythronolide compoundsExpiredJan 08, 82Jan 31, 84[A61K, C07H, C12P]
4390533 Steroids and process for preparing the sameExpiredFeb 23, 81Jun 28, 83[A61K, C07J]
4347247 Pharmacological preparation composed of a quinoxaline derivative mixed with sodium bicarbonateExpiredMay 01, 80Aug 31, 82[A61K]
4299962 Process for synthesizing 2-sulphanilamido-3-methoxypyrazineExpiredJan 22, 80Nov 10, 81[C07D]
4275061 Steroids and process for preparing the sameExpiredMar 27, 79Jun 23, 81[A61K]
4272446 Steroids and process for preparing the sameExpiredJan 12, 79Jun 09, 81[C07J]
4228283 Process for preparing pure 2-methyl-3-(.beta.-hydroxyethylcarbamoyl)quinoxaline 1,4-di-N-oxide, and other compounds similar theretoExpiredMar 08, 79Oct 14, 80[C07D]

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