Inventor

Om Dutt Tyagi

Inventor
Pune, IN

Overview

19→
Patents
2000–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 as inventor

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

C07Dprimary
C07DHeterocyclic compounds62%
C07CAcyclic or carbocyclic compounds15%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C07BGeneral methods of organic chemistry4%
PatentTitleYear
8,513,455'Crystalline oxybutynin and process for preparing the same'20138,350,030'Process for producing 5-fluoro-1-(2R, 5S)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine'20138,329,952'Process for the preparation of O-desmethylvenlafaxine succinate polymorphic forms'20128,318,930'Process for preparing polymorphic forms of (S)-6-chloro-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one'20128,309,723'Preparation of Zopiclone and its enantiomerically enriched isomer'20128,304,578'Process for producing 1-[2-(dimethylamino)-1-(4-phenol)ethyl]cyclohexanol'20128,258,312'Process for preparing pure valsartan'20128,247,568'Process for the preparation of pure rabeprazole'20128,008,478'Process for the preparation of cefixime'20117,728,136'Method for the preparation of aryl piperazinyl-heterocyclic compounds'20107,511,135'Method for manufacture of ceftiofur'20097,427,692'Process for preparation of 7-[α-amino (4-hydroxyphenyl) acetamido]-3-substituted-3-cephem-4-carboxylic acid'20087,335,767'Method for preparation of ceftiofur and salts thereof'20087,230,097'Process for preparation of 7-[α-Amino (4-hydroxyphenyl) acetamido]-3-substituted-3-cephem-4-carboxylic acid'20077,002,018'Process for the preparation of amorphous form of torsemide'20066,833,452'Process for the preparation of highly pure crystalline (R,S)cefuroxime axetil'20046,534,494'Process for the preparation of cefuroxime axetil in an amorphous form'20036,384,213'Process for preparing a pure, pharmacopoeial grade amorphous form of cefuroxime axetil'20026,060,599'Process for the preparation of cefuroxime axetil in an amorphous form'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2006Patents assigned to RANBAXY LAB LTD (5)· patent assignee history
2000–2003Based in New Delhi, IN· patent location history
2007–2011Patents assigned to LUPIN LTD (6)· patent assignee history
2007–2011Based in Pune, IN· patent location history
2012–2013Patents assigned to TYAGI OM DUTT (7)· patent assignee history
2012–2013Patents assigned to MATRIX LAB LTD (5)· patent assignee history
2012Patents assigned to JETTI RAMAKOTESWARA RAO (2)· patent assignee history
2012Based in Hyderabad, IN· patent location history
2012–2013Based in Andhra Pradesh, IN· patent location history
2012–2013Based in Jinnaram Mandal, IN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TYAGI OM DUTTself72012–2013
LUPIN LTD62007–2011
MATRIX LAB LTD52012–2013
RANBAXY LAB LTD52000–2006
JETTI RAMAKOTESWARA RAO22012
Locations
LocationPatentsSpan
Pune, IN52007–2011
Hyderabad, IN32012
New Delhi, IN32000–2003
Andhra Pradesh, IN22012–2013
Jinnaram Mandal, IN22012–2013