The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2010
Filed:
Dec. 05, 2003
Poopathy Kathirgamanathan, North Harrow, GB;
Sivagnanasundram Surendrakumar, Middlesex, GB;
Patrick Gemmell, Monmouthshire, GB;
Subramaniam Ganeshamurugan, London, GB;
Muttullingham Kumaraverl, Middlesex, GB;
Arumugam Partheepan, Surrey, GB;
Sutheralingam Suresh, London, GB;
Selvadural Selvaranjan, Surrey, GB;
Poopathy Kathirgamanathan, North Harrow, GB;
Sivagnanasundram Surendrakumar, Middlesex, GB;
Patrick Gemmell, Monmouthshire, GB;
Subramaniam Ganeshamurugan, London, GB;
Muttullingham Kumaraverl, Middlesex, GB;
Arumugam Partheepan, Surrey, GB;
Sutheralingam Suresh, London, GB;
Selvadural Selvaranjan, Surrey, GB;
Merck Patent GmbH, Darmstadt, DE;
Abstract
An electroluminescent material is a metal complex of 1-phenyl-3-methyl-4-trimethylacetyl-pyrazol-5-one of formula (I). An electroluminescent device comprising the compound of formula (I) in the luminescent layer is also part of the invention.