MRA LABORATORIES, INC., NORTH ADAMS, MA A CORP OF DE

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8076257 High temperature ceramic dielectric composition and capacitors made from the compositionApr 22, 09Dec 13, 11[C04B, H01G]
6309995 Magnesium zinc titanate powder with a barium boron lithium silicate flux and a multilayer ceramic COG capacitor made therefromAug 31, 00Oct 30, 01[C04B]
6043174 High dielectric constant X7R ceramic capacitor, and powder for makingJun 26, 97Mar 28, 00[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6727200 High dielectric constant very low fired X7R ceramic capacitor, and powder for makingExpiredOct 29, 01Apr 27, 04[C04B, H01G]
6723673 High dielectric constant very low fired X7R ceramic capacitor, and powder for makingExpiredApr 09, 03Apr 20, 04[C04B, H01G]
6251816 Capacitor and dielectric ceramic powder based upon a barium borate and zinc silicate dual-component sintering fluxExpiredDec 31, 98Jun 26, 01[C04B, H01G]
5672378 Method for making a BaTiO.sub.3 powder mixture the powder mixture and method for making a Y5V ceramic body therefromExpiredApr 22, 96Sep 30, 97[B05D, C04B]
5258338 Fine grained BaTiO.sub.3 powder mixture and method for makingExpiredJul 27, 92Nov 02, 93[C04B]
5010443 Capacitor with fine grained BaTiO.sub.3 body and method for makingExpiredJan 11, 90Apr 23, 91[C04B, H01G]
4931901 Method for adjusting capacitor at manufacture and productExpiredMay 19, 89Jun 05, 90[H01G]
4908338 Dried emulsion ceramic processExpiredMay 20, 88Mar 13, 90[C04B]
4898844 Process for manufacturing a ceramic body having multiple barium-titanate phasesExpiredJul 14, 86Feb 06, 90[C04B]
4897249 Barium borate preparationExpiredApr 03, 89Jan 30, 90[C01B, C04B]
4882650 Magnesium titanate ceramic and dual dielectric substrate using sameExpiredDec 05, 88Nov 21, 89[H01G]
4882651 Monolithic compound-ceramic capacitorExpiredDec 05, 88Nov 21, 89[H01G]
4852227 Method for making a multilayer ceramic capacitor with buried electrodes and terminations at a castellated edgeExpiredNov 25, 88Aug 01, 89[H01G]
4806159 Electro-nickel plating activator composition, a method for using and a capacitor made therewithExpiredJul 16, 87Feb 21, 89[C23C]
4749664 Emulsion-char method for making fine ceramic powdersExpiredDec 29, 86Jun 07, 88[C01B, C04B]
4716058 Method of curtain coating to make thin dielectric ceramic layersExpiredAug 25, 86Dec 29, 87[B05D]
4706163 Capacitor with dielectric of PLZT and an intergranular borateExpiredFeb 25, 87Nov 10, 87[C04B, H01G]
4654075 Emulsion-char method for making fine powderExpiredJun 17, 85Mar 31, 87[C01B]
4633366 Laminar electrical component with magnesium orthoborateExpiredAug 07, 85Dec 30, 86[H01G]
4568384 Method for making Ag/Pd electroding powderExpiredJan 18, 85Feb 04, 86[B22F, H01G]

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