GLOBAL TUNGSTEN & POWDERS CORP.
Patent Owner
Stats
- 50 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 15, 2014 most recent publication
Details
- 50 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 919 Total Citation Count
- Oct 26, 1988 Earliest Filing
- 89 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7833437 Moisture-resistant electroluminescent phosphor with high initial brightness and method of makingJan 12, 07Nov 16, 10[C09K]
7749405 White-emitting phosphor blend and electroluminescent lamp containing sameNov 11, 05Jul 06, 10[C09K, H01L]
7727927 Method of making tungsten-containing fuel cell catalystsOct 04, 05Jun 01, 10[C23C, C01B, C25D, C25B, C08F, H01M, B01J]
7291291 Electroluminescent phosphor powder with D50 value of less than 12 .mu.m and method of makingMar 30, 05Nov 06, 07[C09K]
7288216 Method of making electroluminescent phosphors with small particle sizes and powder with D50 value of no more than 10 micrometersMar 30, 05Oct 30, 07[C09K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2014/0134,330 METHOD FOR REDUCING TB AND EU USAGE IN TRI-BAND PHOSPHOR FLUORESCENT LAMPSAbandonedAug 30, 13May 15, 14[C09K, H01J]
2014/0124,703 BRIGHTNESS OF CE-TB CONTAINING PHOSPHOR AT REDUCED Tb WEIGHT PERCENTAGEAbandonedAug 30, 13May 08, 14[C09K]
2014/0124,704 BRIGHTNESS OF Y2O3:EU AT REDUCED EU WEIGHT PERCENTAGEAbandonedAug 30, 13May 08, 14[C09K]
8298666 Moisture resistant electroluminescent phosphor with high initial brightness and method of makingExpiredJan 12, 07Oct 30, 12[C09K, B32B]
8057962 Tungsten-based electrocatalyst and fuel cell containing sameExpiredMar 25, 04Nov 15, 11[H01M, B01J]
7452483 Yellow-emitting phosphor blend for electroluminescent lampsExpiredAug 03, 06Nov 18, 08[C09K]
7157845 Single-component yellow-emitting electroluminescent phosphorExpiredSep 29, 04Jan 02, 07[H01J]
2006/0196,585 Additives for Suppressing Tungsten LeachabilityAbandonedJan 09, 06Sep 07, 06[C22B, C01G, C22C]
2006/0198,773 Method for Suppressing the Leachability of Certain MetalsAbandonedJan 09, 06Sep 07, 06[C22B, C01G]
2006/0073,063 Method of forming non-sag molybdenum-lanthana alloysAbandonedSep 04, 03Apr 06, 06[B22F]
7001665 Electroluminescent phosphor with plural moisture resistant coatings thereonExpiredApr 03, 02Feb 21, 06[B32B]
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