Inventor · disambiguated record
Robert J. Topping
Also filed as: TOPPING ROBERT J
7 granted patents·4 pending applications·44 citations·filing 1999–2008
82Inventor score
Files withROCHE COLORADO CORP7HOFFMANN LA ROCHE1NICHOLAS GILLIAN M1SCHWINDT MARK A1TOPPING ROBERT J1
Top patents by PatentIndex Score
11 records- 0191US6545165B1Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-oneROCHE COLORADO CORP·Filed 2000·Granted Apr 8, 2003·22 cites·35 claims
- 0277US6818789B2Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-oneROCHE COLORADO CORP·Filed 2003·Granted Nov 16, 2004·6 cites·10 claims
- 0374US6765109B1Preparation of S-aryl-cysteine and its derivativesROCHE COLORADO CORP·Filed 2000·Granted Jul 20, 2004·9 cites·13 claims
- 0457US6229041B1Preparation of S-aryl-cysteine and its derivativesHOFFMANN LA ROCHE·Filed 1999·Granted May 8, 2001·7 cites·32 claims
- 0553US7696311B2Process and systems for recovery of peptidesROCHE COLORADO CORP·Filed 2004·Granted Apr 13, 2010·0 cites·18 claims
- 0651US6858749B2Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-oneROCHE COLORADO CORP·Filed 2003·Granted Feb 22, 2005·0 cites·7 claims
- 0748US6743927B2Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-oneROCHE COLORADO CORP·Filed 2003·Granted Jun 1, 2004·0 cites·21 claims
- 0848US2008272550A1Hydraulic tubing fitting sealROCHE COLORADO CORP·Filed 2008·Application pending·0 cites
- 0948US2008161564A1Aromatic sulfonated ketalsSCHWINDT MARK A·Filed 2007·Application pending·0 cites
- 1046US2008161563A1Reduction methodologies for converting ketal acids, salts, and esters to ketal alcoholsTOPPING ROBERT J·Filed 2007·Application pending·0 cites
- 1136US2008161583A1Epimerization methodologies for recovering stereoisomers in high yield and purityNICHOLAS GILLIAN M·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Robert J. Topping files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →