Inventor · disambiguated record
Apurba Bhattacharya
Also filed as: BHATTACHARYA APURBA
20 granted patents·2 pending applications·249 citations·filing 1984–2007
95Inventor score
Files withHOECHST CELANESE CORP11MERCK & CO INC5BRISTOL MYERS SQUIBB CO2TEXAS A & M UNIV SYS2BHATTACHARYA APURBA1
Top patents by PatentIndex Score
22 records- 0188US5332834ARacemization of an enantomerically enriched α-aryl carboxylic acidHOECHST CELANESE CORP·Filed 1992·Granted Jul 26, 1994·36 cites·3 claims
- 0286US5380867ASelective precipitation of α-aryl carboxylic acid saltsHOECHST CELANESE CORP·Filed 1993·Granted Jan 10, 1995·27 cites·29 claims
- 0386US5338859AProcess for the production of calcium salts of hydantoic acidsHOECHST CELANESE CORP·Filed 1993·Granted Aug 16, 1994·26 cites·14 claims
- 0481US5116983ADehydrogenation process intermediatesMERCK & CO INC·Filed 1990·Granted May 26, 1992·36 cites·6 claims
- 0580US5084574ADehydrogenation processMERCK & CO INC·Filed 1990·Granted Jan 28, 1992·35 cites·12 claims
- 0675US5763608AProcess for preparing pyrimidine derivativesHOECHST CELANESE CORP·Filed 1996·Granted Jun 9, 1998·19 cites·11 claims
- 0772US5508451AProcess for the preparation of dialkali metal cromoglycatesHOECHST CELANESE CORP·Filed 1994·Granted Apr 16, 1996·16 cites·7 claims
- 0871US7534882B2Method for preparing pyrrolotriazine compounds via in situ amination of pyrrolesBRISTOL MYERS SQUIBB CO·Filed 2006·Granted May 19, 2009·1 cites·14 claims
- 0968US7173152B2One-pot reductive acetamidation of aryl nitro compoundsTEXAS A & M UNIV SYS·Filed 2005·Granted Feb 6, 2007·1 cites·16 claims
- 1067US5489712AProcess for preparing cyclic ketonesHOECHST CELANESE CORP·Filed 1994·Granted Feb 6, 1996·9 cites·19 claims
- 1166US6969775B2Method of producing organic compounds in presence of oxyethylene ether catalyst and in a solvent minimized environmentTEXAS A & M UNIV SYS·Filed 2003·Granted Nov 29, 2005·6 cites·7 claims
- 1265US5304610AAmphoteric copolymer derived from vinylpyridine and acetoxystyreneHOECHST CELANESE CORP·Filed 1993·Granted Apr 19, 1994·15 cites·1 claims
- 1362US5237061AMethods of synthesizing benign prostatic hypertropic agents and their intermediatesMERCK & CO INC·Filed 1988·Granted Aug 17, 1993·11 cites·2 claims
- 1445US5739330AProcess for preparing quinazolonesHOECHST CELANESE CORP·Filed 1996·Granted Apr 14, 1998·3 cites·9 claims
- 1545US2007032657A1Method of preparation of nitroaminopyridine compoundsDESHPANDE PRASHANT P·Filed 2006·Application pending·0 cites
- 1641US5210149AAmphoteric copolymer derived from vinylpyridine and acetoxystyreneHOECHST CELANESE CORP·Filed 1992·Granted May 11, 1993·4 cites·1 claims
- 1738US5399707ASelective precipitation of α-aryl carboxylic acid saltsHOECHST CELANESE CORP·Filed 1994·Granted Mar 21, 1995·1 cites·17 claims
- 1837US4605760APreparation of an enantiomer of a substituted fluorenyloxyacetic acidMERCK & CO INC·Filed 1985·Granted Aug 12, 1986·1 cites·10 claims
- 1932US5232995AAmphoteric copolymer derived from vinylpyridine and acetoxystyreneHOECHST CELANESE CORP·Filed 1993·Granted Aug 3, 1993·2 cites·5 claims
- 2032US4587357APreparation of enantiomers of a substituted fluorenyloxyacetic acidMERCK & CO INC·Filed 1984·Granted May 6, 1986·0 cites·7 claims
- 2131US6326509B1Process for azole antifungal intermediateBRISTOL MYERS SQUIBB CO·Filed 2000·Granted Dec 4, 2001·0 cites·1 claims
- 2227US2007249563A1Process for preparing fosphenytoinBHATTACHARYA APURBA·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →