Inventor · disambiguated record
Werner Bonrath
Also filed as: BONRATH WERNER
107 granted patents·42 pending applications·105 citations·filing 1994–2023
99Inventor score
Top patents by PatentIndex Score
149 records- 0181US9108925B2Process for the manufacture of a precursor of vitamin B1BONRATH WERNER·Filed 2006·Granted Aug 18, 2015·4 cites·27 claims
- 0280US9067877B2Process for the production of 1,3,3-trimethyl-2-(3-methylpent-2-en-4-ynyl)cyclohex-1-eneBONRATH WERNER·Filed 2012·Granted Jun 30, 2015·2 cites·9 claims
- 0379US11078178B26-chromanol derivatives and their synthesisDSM IP ASSETS BV·Filed 2018·Granted Aug 3, 2021·2 cites·18 claims
- 0479US10370314B2Selective reduction of esters to alcoholsDSM IP ASSETS BV·Filed 2017·Granted Aug 6, 2019·2 cites·12 claims
- 0578US9040742B2Catalytic synthesis of vitamin A intermediateDSM IP ASSETS BV·Filed 2012·Granted May 26, 2015·2 cites·11 claims
- 0677US7105686B2Manufacture of tocol, tocol derivatives and tocopherolsDSM IP ASSETS BV·Filed 2004·Granted Sep 12, 2006·9 cites·26 claims
- 0776US11851404B2Intermediates for the vitamin A synthesisDSM IP ASSETS BV·Filed 2022·Granted Dec 26, 2023·0 cites·11 claims
- 0875US7135580B2Process for the manufacture of α-tocopheryl acetateDSM IP ASSETS BV·Filed 2003·Granted Nov 14, 2006·8 cites·16 claims
- 0972US5908939AMethod of making D,L-A-tocopherolROCHE VITAMINS INC·Filed 1997·Granted Jun 1, 1999·18 cites·25 claims
- 1071US9415374B2Device useful for hydrogenation reactions (III)DSM IP ASSETS BV·Filed 2013·Granted Aug 16, 2016·1 cites·14 claims
- 1170US9283549B2Metal powderdous catalyst comprising a CoCrMo-alloyDSM IP ASSETS BV·Filed 2013·Granted Mar 15, 2016·1 cites·17 claims
- 1269US8802898B2Isomerization of β-keto-allenesBONRATH WERNER·Filed 2011·Granted Aug 12, 2014·1 cites·10 claims
- 1368US8664450B2Manufacture of gamma-delta-unsaturated ketonesAQUINO FABRICE·Filed 2009·Granted Mar 4, 2014·1 cites·5 claims
- 1468US5502212AProcess for the manufacture of 5-cyano-4-lower alkyl-oxazolesHOFFMANN LA ROCHE·Filed 1994·Granted Mar 26, 1996·10 cites·6 claims
- 1567US7803952B2Manufacture of lactonesDSM IP ASSETS BV·Filed 2006·Granted Sep 28, 2010·2 cites·22 claims
- 1667US2021276935A1Ethynylation of polyunsaturated aldehydes and ketonesDSM IP ASSETS BV·Filed 2021·Application pending·0 cites
- 1766US12258311B2Dehydrogenation processDSM IP ASSETS BV·Filed 2020·Granted Mar 25, 2025·0 cites·14 claims
- 1866US2025353823A1Process for the preparation of alkoxylated 2,5-dihydrofuranDSM IP ASSETS BV·Filed 2023·Application pending·0 cites
- 1966US2024124380A1Manufacturing of allene ketones using an ammonium (thio)sulfates or hydrogen (thio)sulfatesDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 2066US2024116842A1Manufacturing of allene ketones using an ammonium (thio)sulfates or hydrogen (thio)sulfatesDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 2165US9180434B2Catalytic systemDSM IP ASSETS BV·Filed 2012·Granted Nov 10, 2015·1 cites·24 claims
- 2265US2022234974A1Selective hydrogenation of alkynols to alkenols in the presence of a phosphorus compoundDSM IP ASSETS BV·Filed 2020·Application pending·0 cites
- 2364US6700002B2Process for making vitamin E using hydrogen-tris(oxalato) phosphateROCHE VITAMINS INC·Filed 2002·Granted Mar 2, 2004·2 cites·22 claims
- 2463US2024209132A1Coupling of 2,3,5-trimethylhydroquinone and unsaturated alcoholsDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 2562US11958797B2Process for the preparation of intermediates for the synthesis of vitamin A derivatives from polyenes by cyclisationDSM IP ASSETS BV·Filed 2020·Granted Apr 16, 2024·0 cites·14 claims
- 2662US8431727B2Process for the manufacture of chroman derivatives, especially α-tocopherol and alka-noates thereofBONRATH WERNER·Filed 2009·Granted Apr 30, 2013·0 cites·22 claims
- 2762US2025059118A1Process for ethynylating specific alpha, beta-unsaturated ketonesDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 2861US9249074B2Synthesis of tetrahydromyrcenolDSM IP ASSETS BV·Filed 2013·Granted Feb 2, 2016·0 cites·7 claims
- 2961US2020283368A1New intermediates for the vitamin a synthesisDSM IP ASSETS BV·Filed 2018·Application pending·0 cites
- 3059US2021040119A1Process for the preparation of a substituted imidazothiazolone compoundDSM IP ASSETS BV·Filed 2020·Application pending·0 cites
- 3158US12410117B2Process for production of vitamin ADSM IP ASSETS BV·Filed 2021·Granted Sep 9, 2025·0 cites·15 claims
- 3258US12139452B2Process for the production of retinalDSM IP ASSETS BV·Filed 2020·Granted Nov 12, 2024·0 cites·14 claims
- 3358US12139456B2Vitamin K2 synthesisDSM IP ASSETS BV·Filed 2021·Granted Nov 12, 2024·0 cites·9 claims
- 3458US6369242B2Tocopherol manufacture by tris(perfluorohydrocarbylsulphonyl) methane or metal methides thereofROCHE VITAMINS INC·Filed 2001·Granted Apr 9, 2002·2 cites·15 claims
- 3558US5900494AMethod of making d,l-α-tocopherolROCHE VITAMINS INC·Filed 1997·Granted May 4, 1999·6 cites·15 claims
- 3658US2025034087A1Process for production of vitamin aDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 3757US8530707B2Selective hydrogenation catalyst comprising palladium on porous silica glass and the use thereofBONRATH WERNER·Filed 2009·Granted Sep 10, 2013·1 cites·13 claims
- 3857US2024092753A1Process for production of intermediatesDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 3957US2024217941A1Ring closure of benzoquinones containing an unsaturated side chain using a basic catalystDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 4057US2023416178A1Formation of p-alkylphenols based on intermolecular reaction of ethyne with 2-alkylfurans in the presence of gold(i) complexesDSM IP ASSETS BV·Filed 2021·Application pending·0 cites
- 4156US11851402B2Specific dehydrogenation process (I)DSM IP ASSETS BV·Filed 2020·Granted Dec 26, 2023·0 cites·12 claims
- 4256US8563780B2Allyl and propargyl ethersBONRATH WERNER·Filed 2009·Granted Oct 22, 2013·0 cites·21 claims
- 4356US2024228454A1Ring closure of benzoquinones containing an unsaturated side chain using a base in two-phase systemDSM IP ASSETS BV·Filed 2022·Application pending·0 cites
- 4456US2007112206A1Manufacture of tocopheryl acetateBONRATH WERNER·Filed 2006·Application pending·0 cites
- 4555US12479814B2Process for production of new sulfolenic intermediatesDSM IP ASSETS BV·Filed 2021·Granted Nov 25, 2025·0 cites·13 claims
- 4655US9718749B2Process for the preparation of 3,7-dimethylnonan-1-olDSM IP ASSETS BV·Filed 2014·Granted Aug 1, 2017·0 cites·14 claims
- 4755US9561989B2Process of asymmetric hydrogenation of ketals and acetalsDSM IP ASSETS BV·Filed 2013·Granted Feb 7, 2017·0 cites·25 claims
- 4855US9309194B2Intermediates for the vitamin A and β-carotene synthesisBONRATH WERNER·Filed 2012·Granted Apr 12, 2016·0 cites·7 claims
- 4955US9227907B2Acid chlorideBONRATH WERNER·Filed 2012·Granted Jan 5, 2016·0 cites·9 claims
- 5055US8829231B2Preparation of 4-acetoxy-2-methylbutanal by catalytic carbon carbon double bond hydrogenationBONRATH WERNER·Filed 2012·Granted Sep 9, 2014·0 cites·16 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →