BLASCHIM S.P.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4834919 Stereoselective reduction of the keto group at 7-position of a bile keto acidExpiredJan 06, 87May 30, 89[C07J]
4748253 Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketalsExpiredDec 10, 81May 31, 88[C07D, C07C]
4609766 Process for preparing esters of 2-(6'-methoxy-2'-naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one and new esters of 2-(5'-bromo-6'-methoxy-2'-naphtyl)propionic acid thus preparedExpiredMay 17, 85Sep 02, 86[C07C]
4608441 Process for the preparation of arylalkanoic acids by oxidative rearrangement of arylalkanonesExpiredJul 12, 85Aug 26, 86[C07D, C07C]
4560777 Preparation of esters of 2-(6'-methoxy-2'-naphthyl)-propionic acid via rearrangement of ketals of 2-halo-1-(6'-methoxy-2'-naphthyl)-propan-1-oneExpiredAug 04, 83Dec 24, 85[C07D]
4550191 Process for preparing esters of 2'-(6'-methoxy-2-naphthyl)-propionic acidExpiredMar 15, 83Oct 29, 85[C07C]
4414405 Process for preparing esters of 2-(6'methoxy-2'naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one and new esters of 2-(5'-bromo-6'-methoxy-2'-naphtyl)-propionic acid thus preparedExpiredFeb 20, 81Nov 08, 83[C07C]
4336396 Process for the preparation of 4-[2-(dimethylamino)-ethoxy]2-methyl-5-(1-methylethyl)-phenol esters and their saltsExpiredDec 04, 80Jun 22, 82[C07C]
4331607 Process for the purification of chenodeoxycholic acidExpiredJul 11, 80May 25, 82[C07J]
4316848 Process for the purification of ursodeoxycholic acidExpiredJul 11, 80Feb 23, 82[C07J]
4316849 Process for preparing a crystalline polymorphous type of chenodeoxycholic acidExpiredJul 11, 80Feb 23, 82[C07J]

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