POLITECHNIKA GDANSKA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 268
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8588404 Method and apparatus for acoustic echo cancellation in VoIP terminalExpiredJun 30, 08Nov 19, 13[H04M]
8524912 -imidazol-1-yl)- ethylidene]bisphosphonic acidExpiredOct 17, 09Sep 03, 13[C07F]
8450488 Process for the preparation of [1-hydroxy-2-(3-pyridinyl)ethylidene] bisphosphonic acid and hemipentahydrate monosodium salt thereofExpiredDec 28, 05May 28, 13[C07F]
2013/0033,592 MANNER OF RANGING ITEMS ON THE COMPUTER MONITOR SCREEN SURFACE AND A METHOD OF VALUATION OF OBJECTS ON THE SURFACE OF A COMPUTER OF A COMPUTER MONITOR SCREENAbandonedJul 25, 12Feb 07, 13[H04N]
2012/0026,276 Manner of ranging items on the computer monitor screen surface, especially key words for the requirements of web browser usersAbandonedJul 27, 11Feb 02, 12[H04N]
4824944 Antineoplastic enamine derivatives of daunorubicin and adriamycinExpiredJan 12, 87Apr 25, 89[C07H]
4822311 Free fall submersible life saving device for offshore structuresExpiredDec 15, 87Apr 18, 89[B63B]
4783527 Amides of amphoteric polyene macrolide antibioticsExpiredJun 23, 81Nov 08, 88[C07H]
4439363 Acetylmethyl ester of hetacyllin and/or salts of this esterExpiredFeb 25, 82Mar 27, 84[A61K, C07D]
4365058 Method of preparation of esters of antibiotics selected from the group consisting of polyene macrolides and of N-substituted derivatives thereofExpiredJul 07, 80Dec 21, 82[C07H]
4351937 N-Glycosyl derivatives of anthracycline antibiotics and the method of their preparationExpiredJul 25, 80Sep 28, 82[C07H]
4294958 Water-soluble salts of trimethylammonium derivatives of polyene macrolide antibiotics and the preparation thereofExpiredJul 25, 79Oct 13, 81[C07H]
4278040 Braking rudder deviceExpiredMay 09, 79Jul 14, 81[B63H]
4269676 Method of winning copper and accompanying metals from sulfidic ores, post-flotation deposits and waste products in the pyrometallurgical processing of copper oresExpiredJul 03, 79May 26, 81[C22B, C25C, C01G]
4237808 Stern braking deviceExpiredMay 09, 79Dec 09, 80[B63H]
4195172 Salts of N-glycosyl derivatives of polyene macrolides, especially N-methylglucamine salts as well as the method of their preparationExpiredMay 10, 78Mar 25, 80[C07H]

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