Inventor · disambiguated record
Phaik-Eng Sum
Also filed as: SUM PHAIK E · SUM PHAIK-ENG
51 granted patents·1 pending application·2,550 citations·filing 1983–2009
99Inventor score
Top patents by PatentIndex Score
52 records- 0199US5401729A7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Mar 28, 1995·115 cites·18 claims
- 0299US5380888A7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Jan 10, 1995·109 cites·7 claims
- 0398US5886175A7-(substituted)-8-(substituted)-9-(substitued amino)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Mar 23, 1999·97 cites·8 claims
- 0498US5495018A7-(substituted-9-(substituted amino)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Feb 27, 1996·92 cites·12 claims
- 0598US5494903A7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Feb 27, 1996·174 cites·98 claims
- 0698US5401863A9-amino-7-(substituted)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Mar 28, 1995·94 cites·1 claims
- 0798US5386041A7-(substituted)-8-(substituted)-9-[(substituted glycyl) amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Jan 31, 1995·102 cites·29 claims
- 0898US5328902A7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1992·Granted Jul 12, 1994·109 cites·8 claims
- 0998US5281628A9-amino-7-(substituted)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1991·Granted Jan 25, 1994·105 cites·40 claims
- 1097US5529990AMethod for treating bacterial infection with novel 7-substituted-9-substituted amino 6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1995·Granted Jun 25, 1996·105 cites·2 claims
- 1197US5512553A7-(substituted)-8-(substituted)-9-(substituted amino)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1995·Granted Apr 30, 1996·91 cites·1 claims
- 1297US5466684A7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Nov 14, 1995·88 cites·2 claims
- 1397US5457096A7-(substituted)-8-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Oct 10, 1995·75 cites·2 claims
- 1497US5420272A7-(substituted)-8-(substituted)-9-](substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1992·Granted May 30, 1995·93 cites·51 claims
- 1597US5284963AMethod of producing 7-(substituted)-9-[(substituted glycyl)-amidol]-6-demethyl-6-deoxytetra-cyclinesAMERICAN CYANAMID CO·Filed 1992·Granted Feb 8, 1994·123 cites·11 claims
- 1696US5530117A7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1995·Granted Jun 25, 1996·97 cites·8 claims
- 1796US5442059A9-[(substituted glycyl)amido)]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1992·Granted Aug 15, 1995·85 cites·83 claims
- 1896US5248797AMethod for the production of 9-amino-6-demethyl-6-deoxytetracyclineAMERICAN CYANAMID CO·Filed 1992·Granted Sep 28, 1993·79 cites·34 claims
- 1994USRE40086EMethod for treating bacterial infection with novel 7-substituted-9-substituted amino 6-demethyl-6-deoxytetracyclinesWYETH CORP·Filed 2005·Granted Feb 19, 2008·15 cites·12 claims
- 2094US5495031AProcess for the production of 7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Feb 27, 1996·101 cites·1 claims
- 2194US5430162A7-(substituted)-8-(substituted)-9-substituted amino)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Jul 4, 1995·102 cites·4 claims
- 2293USRE40183E7-Substituted-9-substituted amino-6-demethyl-6-deoxytetracyclinesWYETH CORP·Filed 2005·Granted Mar 25, 2008·16 cites·103 claims
- 2393US5495030A9-[(substituted glycyl)amido)]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Feb 27, 1996·90 cites·25 claims
- 2492US5326759A9-amino-7-(substituted)-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1993·Granted Jul 5, 1994·84 cites·18 claims
- 2588US5567692A9-[(substituted glycyl) amido)]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1995·Granted Oct 22, 1996·71 cites·2 claims
- 2687US7947712B28-hydroxyquinoline compounds and methods thereofWYETH LLC·Filed 2007·Granted May 24, 2011·9 cites·52 claims
- 2786US5574026AMethods for inhibiting angiogenesis proliferation of endothelial or tumor cells and tumor growthAMERICAN CYANAMID CO·Filed 1994·Granted Nov 12, 1996·81 cites·6 claims
- 2885US4640913APhosphocholine derivatives having antihypertensive actionAMERICAN CYANAMID CO·Filed 1983·Granted Feb 3, 1987·17 cites·29 claims
- 2982US5495032AProcess for producing 7-(substituted)-8-(substituted-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclinesAMERICAN CYANAMID CO·Filed 1994·Granted Feb 27, 1996·18 cites·1 claims
- 3080US7553873B2Glutamate aggrecanase inhibitorsWYETH CORP·Filed 2006·Granted Jun 30, 2009·4 cites·37 claims
- 3178US4697031AAntihypertensive phosphate derivativesAMERICAN CYANAMID CO·Filed 1984·Granted Sep 29, 1987·10 cites·6 claims
- 3274US4940710A7-(substituted)piperazinyl-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidsAMERICAN CYANAMID CO·Filed 1987·Granted Jul 10, 1990·11 cites·11 claims
- 3374US4762942AAntihypertensive phosphate derivativesAMERICAN CYANAMID CO·Filed 1984·Granted Aug 9, 1988·9 cites·5 claims
- 3470US7176225B2Oxazole derivatives of tetracyclinesWYETH CORP·Filed 2004·Granted Feb 13, 2007·5 cites·17 claims
- 3570US5567693AMethod for inhibiting angiogenesis, proliferation of endothelial or tumor cells and tumor growthAMERICAN CYANAMID CO·Filed 1994·Granted Oct 22, 1996·37 cites·6 claims
- 3669US4897385AAntihypertensive phosphate derivativesAMERICAN CYANAMID CO·Filed 1987·Granted Jan 30, 1990·10 cites·14 claims
- 3766US7268135B2Biaryl sulfonamides and methods for using sameWYETH CORP·Filed 2004·Granted Sep 11, 2007·2 cites·11 claims
- 3863US6914045B2Glycopeptide antibioticsWYETH CORP·Filed 2002·Granted Jul 5, 2005·2 cites·128 claims
- 3961US7998965B2Glutamate aggrecanase inhibitorsWYETH LLC·Filed 2009·Granted Aug 16, 2011·0 cites·10 claims
- 4060US7923446B2Biaryl sulfonamides and methods for using sameWYETH LLC·Filed 2007·Granted Apr 12, 2011·0 cites·18 claims
- 4158US2008177080A1Oxazole derivatives of tetracyclinesWYETH CORP·Filed 2008·Application pending·0 cites
- 4256US7365087B2Oxazole derivatives of tetracyclinesWYETH CORP·Filed 2006·Granted Apr 29, 2008·0 cites·13 claims
- 4356US5210193APiperazine derivativesAMERICAN CYANAMID CO·Filed 1990·Granted May 11, 1993·5 cites·30 claims
- 4454US5411983ACertain hyrdoxy-phosphinyl-oxy-phenylmethyl-imidazolium hydroxide inner salts as PAF antagonistsAMERICAN CYANAMID CO·Filed 1993·Granted May 2, 1995·4 cites·17 claims
- 4554US5234918ACertain phosphinyl-oxy-phenyl-methyl-pyridinium-hydroxide inner salts useful as antagonists of PAFAMERICAN CYANAMID CO·Filed 1991·Granted Aug 10, 1993·4 cites·9 claims
- 4653US4894367AAntihypertensive phosphate derivativesAMERICAN CYANAMID CO·Filed 1988·Granted Jan 16, 1990·4 cites·12 claims
- 4750US4981989AAntihypertensive phosphate derivatives and intermediates thereofAMERICAN CYANAMID CO·Filed 1989·Granted Jan 1, 1991·3 cites·3 claims
- 4849US7812008B29-substituted tetracyclinesWYETH LLC·Filed 2006·Granted Oct 12, 2010·0 cites·11 claims
- 4949US4883816AAntihypertensive derivativesAMERICAN CYANAMID CO·Filed 1988·Granted Nov 28, 1989·3 cites·6 claims
- 5035US8101590B29-aminocarbonylsubstituted derivatives of glycylcyclinesSUM PHAIK-ENG·Filed 2006·Granted Jan 24, 2012·0 cites·17 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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