Inventor

Raj Pal Singh

Inventor
Sayre, PA, US

Overview

23→
Patents
1997–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds26%
C01GCompounds containing metals not covered by subclasses c01d or c01f17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
C22BProduction and refining of metals10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
B22FWorking metallic powder5%
C07CAcyclic or carbocyclic compounds5%
C01BNon-metallic elements2%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
PatentTitleYear
7,300,492'Ammonium dodecamolybdomolybdate and method of making'20077,211,675'Antiozonant based on functionalized benzotriazole UV absorbers and the process thereof'20076,936,717'Tinuvin P-hindred amine light stabilizer and derivatives thereof'20056,916,960'Diol-functionalized antioxidant and process for preparation thereof'20056,793,907'Ammonium dodecamolybdomolybdate and method of making'20046,780,219'Method of spheridizing silicon metal powders'20046,770,785'Antiozonant cum antioxidant, process for preparation'20046,756,499'Process for the preparation of novel diol-functionalized UV absorbers'20046,737,035'Heterogenite material for making submicron cobalt powders'20046,737,528'Vinylic hindered amine light stabilizers'20046,660,184'Phosphor paste compositions'20036,610,856'Tinuvin P-hindred amine light stabilizer and derivatives thereof'20036,596,051'Heterogenite material for making submicron cobalt metal powders'20036,559,311'Process for the synthesis of a photo-stabilizer'20036,492,518'Tinuvin P-hindred amine light stabilizer and derivatives thereof'20026,489,482'Process for the preparation of novel vinylic hindered amine light stabilizers'20026,383,459'Method for purifying a tantalum compound using a fluoride compound and sulfuric acid'20026,320,056'Process for the preparation of bromo-functionalized benzotriazole UV absorbers'20016,307,055'Diol-functionalized UV absorber'20016,284,895'Bromo-functionalized benzotriazole UV absorbers'20016,051,196'Purification of phosphorus containing scheelite ore'20006,010,676'Method for making a highly pure tantalum compound'20005,635,146'Method for the dissolution and purification of tantalum pentoxide'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2007Patents assigned to OSRAM SYLVANIA INC (10)· patent assignee history
1997–2007Based in Sayre, PA, US· patent location history
2001–2007Patents assigned to COUNCIL SCIENT IND RES (13)· patent assignee history
2001–2007Based in Pune, IN· patent location history
2002–2005Based in Maharashtra, IN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COUNCIL SCIENT IND RES132001–2007
OSRAM SYLVANIA INC101997–2007
Locations
LocationPatentsSpan
Sayre, Pennsylvania, US101997–2007
Pune, IN82001–2007
Maharashtra, IN52002–2005