Inventor · disambiguated record
Frederick Khachik
Also filed as: KHACHIK FREDERICK
17 granted patents·3 pending applications·387 citations·filing 1993–2023
94Inventor score
Top patents by PatentIndex Score
20 records- 0198US5382714AProcess for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereofUNIV AMERICA CATHOLIC·Filed 1994·Granted Jan 17, 1995·186 cites·20 claims
- 0294US6262284B1Process for extraction and purification of lutein, zeaxanthin and rare carotenoids from marigold flowers and plantsUNIV MARYLAND·Filed 1998·Granted Jul 17, 2001·96 cites·22 claims
- 0387USRE40931EProcess for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereofUNIV AMERICA CATHOLIC·Filed 2006·Granted Oct 6, 2009·5 cites·21 claims
- 0487US6818798B1Process for making a (3R,3′R)-zeaxanthin precursorUNIV MARYLAND·Filed 2000·Granted Nov 16, 2004·15 cites·70 claims
- 0585US7173145B2Process for extraction and purification of lutein, zeaxanthin and rare carotenoids from marigold flowers and plantsUNIV MARYLAND·Filed 2002·Granted Feb 6, 2007·16 cites·38 claims
- 0685US6911564B2Method for production of rare carotenoids from commercially available luteinUNIV MARYLAND·Filed 2001·Granted Jun 28, 2005·15 cites·52 claims
- 0783USRE40912EProcess for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereofUNIV AMERICA CATHOLIC·Filed 2005·Granted Sep 8, 2009·3 cites·20 claims
- 0882US7115786B2Method for production of β-cryptoxanthin and α-cryptoxanthin from commercially available luteinUNIV MARYLAND·Filed 2003·Granted Oct 3, 2006·12 cites·36 claims
- 0981US8097762B2Process for the preparation of β- and α-cryptoxanthinKHACHIK FREDERICK·Filed 2010·Granted Jan 17, 2012·3 cites·13 claims
- 1080USRE40938EProcess for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereofUNIV AMERICA CATHOLIC·Filed 2007·Granted Oct 13, 2009·2 cites·21 claims
- 1177US5386063ASynthesis of (all-E)-2,7,-dimethylocta-2,4,6-triene-1,8-dial13 C4UNIV AMERICA CATHOLIC·Filed 1993·Granted Jan 31, 1995·24 cites·20 claims
- 1276US9725411B2Process for a direct one-pot transformation of lutein to β-cryptoxanthin via its acetate esterUNIV MARYLAND·Filed 2014·Granted Aug 8, 2017·1 cites·14 claims
- 1371US7119238B2Process for purification and crystallization of palm oil carotenoidsUNIV MARYLAND·Filed 2001·Granted Oct 10, 2006·5 cites·13 claims
- 1470US7858828B2Process for synthesis of (3R,3'R,6'R)-lutein and its stereoisomersUNIV MARYLAND·Filed 2009·Granted Dec 28, 2010·2 cites·60 claims
- 1569US8222458B2Process or synthesis of (3S)- and (3R)-3-hydroxy-beta-ionone, and their transformation to zeaxanthin and beta-cryptoxanthinKHACHIK FREDERICK·Filed 2009·Granted Jul 17, 2012·2 cites·20 claims
- 1668US2024158344A1Process for isolation of capsanthin and other carotenoids from paprika oleoresinKEMIN IND INC·Filed 2023·Application pending·0 cites
- 1764US9580371B2Process for simultaneous extraction and separation of esterified and unesterified monohydroxycarotenoidsUNIV MARYLAND·Filed 2014·Granted Feb 28, 2017·0 cites·18 claims
- 1860US2022220059A1Process for crystallization of high purity lutein esters from marigold extractsKEMIN IND INC·Filed 2022·Application pending·0 cites
- 1954US8093436B2Process for synthesis of (3R,3′R)-zeaxanthin and (3R,3′S;meso)-zeaxanthin from (3R,3′R,6′R)-lutein via (3R)-3′,4′-anhydroluteinKHACHIK FREDERICK·Filed 2009·Granted Jan 10, 2012·0 cites·15 claims
- 2052US2006088631A1Process for the preparation of alpha- and beta-cryptoxanthinKHACHIK FREDERICK·Filed 2004·Application pending·0 cites
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