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Robert E. Halvachs — 11 Patents

MAMallinckrodt: 11 patents #28 of 489Top 6%
Belleville, IL: #10 of 206 inventorsTop 5%
Illinois: #8,093 of 84,256 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Robert E. Halvachs has been granted 11 US patents while listed as an inventor at Mallinckrodt. The first was granted in 1990 and the most recent in August 2016. Robert E. Halvachs ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Robert E. Halvachs in Belleville, IL, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9415044 Process for the preparation of quaternary N-alkyl morphinan alkaloid salts Peter X. Wang, Kevin R. Roesch, Henry J. Buehler, Joseph P. Haar, Jr., Gary L. Cantrell 2016-08-16
9040726 Process for the preparation of quaternary N-alkyl morphinan alkaloid salts Peter X. Wang, Gary L. Cantrell, Kevin R. Roesch, Henry J. Buehler, Joseph P. Haar, Jr. 2015-05-26
8669366 Process for the preparation of quaternary N-alkyl morphinan alkaloid salts Peter X. Wang, Gary L. Cantrell, Kevin R. Roesch, Henry J. Buehler, Joseph P. Haar, Jr. 2014-03-11
8623888 3-oxy-hydromorphone derivatives Gary L. Cantrell, Frank W. Moser, David W. Berberich, Peter X. Wang 2014-01-07
8383649 Crystalline forms of naltrexone methobromide Gary A. Nichols, Gary L. Cantrell, Kevin R. Roesch, Joseph P. Haar, Jr. 2013-02-26
8148528 Processes and compounds for the preparation of normorphinans Peter X. Wang, Frank W. Moser, Gary L. Cantrell, Tao Jiang, Christopher W. Grote 2012-04-03
7498434 Two-phase method for the synthesis of selected pyrazolopyrimidines Gary L. Cantrell, Frank W. Moser 2009-03-03
7498439 Synthesis of heteroaryl acetamides from reaction mixtures having reduced water content Esa T. Jarvi, Douglas C. Miller, Frank W. Moser 2009-03-03
7285665 Process for the preparation of quaternary N-alkyl morphinan alkaloid salts Gary L. Cantrell 2007-10-23
6399829 Synthesis and purification of (r*,r*)-2-[ (dimethylamino) methyl]-1-(3-methoxyphenyl) cyclohexanol hydrochloride Esa T. Jarvi, Neile Grayson 2002-06-04
4918251 Preparation of 2-halofluorobenzene 1990-04-17 $1,556,000