MAGYAR TUDOMANYOS AKADEMIA KOZPONTI HIVATALA
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 26, 1991 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 148 Total Citation Count
- Mar 29, 1974 Earliest Filing
- 18 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5068424 Process for preparing arylsulphonyl-isocyanates and addition derivatives thereofExpiredJun 14, 89Nov 26, 91[C07C]
4995939 Method and apparatus for determining the layer thickness of semiconductor layer structuresExpiredFeb 08, 89Feb 26, 91[G01N]
4973237 Apparatus for the production of grains according to the rolling layer techniqueExpiredJun 07, 89Nov 27, 90[B29C, B29B, B01J]
4850173 Process for the inhibition of spread of fire and for protection against effect of fire in burning buildingsExpiredNov 13, 87Jul 25, 89[E04C]
4839588 Method for the examination of electrically active impurities of semiconductor materials or structures and measuring arrangement for carrying out the methodExpiredNov 25, 87Jun 13, 89[G01R]
4739081 New crown ether derivatives, process for the preparation thereof and ion-selective membrane electroes comprising the sameExpiredNov 01, 84Apr 19, 88[C07D]
4634982 Capacitive measuring element for oscillometric measurement of conductance of streaming solutions and method of determining the dimensions thereofExpiredSep 13, 83Jan 06, 87[G01N]
4571541 Method for determining charged energy states of semiconductor or insulator materials by using deep level transient spectroscopy, and an apparatus for carrying out the methodExpiredNov 04, 82Feb 18, 86[G01R]
4534782 Method for increasing the biological value of manures, dung-waters, organic wastes and/or soils rich in lysineExpiredOct 06, 81Aug 13, 85[C05F]
4531007 Crown ether compounds, process for the preparation of the crown ether complex forming agents and ion-selective membrane electrodes containing the sameExpiredMar 07, 83Jul 23, 85[C07D]
4437060 Method for deep level transient spectroscopy scanning and apparatus for carrying out the methodExpiredJun 03, 81Mar 13, 84[G01R]
4304118 Process and equipment for the thermal analysis of materialsExpiredNov 05, 79Dec 08, 81[G01K]
4303740 Process for the preparation of highly accurate and stable electrode containing a silver saltExpiredOct 31, 79Dec 01, 81[G01N]
4287757 Instrumental measuring method for determining the size-distribution of grained materialExpiredFeb 11, 80Sep 08, 81[G01N]
4278319 Process and apparatus for the determination of the physical characteristics of dispersed systems by holographyExpiredFeb 14, 79Jul 14, 81[G03H]
4256576 Process for segregating solid substances from a liquid phaseExpiredMar 29, 74Mar 17, 81[F28D, F28G, B01D]
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