JH

John B. Hall

IF International Flavors & Fragrances: 69 patents #15 of 483Top 4%
WJ Wm. Wrigley Jr.: 3 patents #119 of 442Top 30%
📍 Chicago, IL: #56 of 13,327 inventorsTop 1%
🗺 Illinois: #336 of 84,256 inventorsTop 1%
Overall (All Time): #25,369 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 26–50 of 75 patents

Patent #TitleCo-InventorsDate
4450101 Organoleptic compositions with substituted tricyclodecane compounds Mark A. Sprecker 1984-05-22
4449007 Process for preparing 1(4-pentonoyl)-3,3-dimethylcyclohexane and intermediates used in a said process Mark A. Sprecker 1984-05-15
4433695 Process for the production of isosolanone and solanone, intermediates useful in said process and organoleptic uses of said intermediates James M. Sanders, James N. Siano 1984-02-28
4430508 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1984-02-07
4428966 Use of substituted cyclohexyl carboalkoxy ketone in augmenting or enhancing the aroma or taste of foodstuffs Mark A. Sprecker 1984-01-31
4418010 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1983-11-29
4413139 Intermediates used in the process for preparing 1(4-pentenoyl)-3,3-dimethylcyclohexane Mark A. Sprecker 1983-11-01
4410740 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1983-10-18
4386023 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1983-05-31
4385072 Use of esters of 1-acetyl cyclohexanol in augmenting or enhancing the aroma or taste of foodstuffs Ronald P. Schreck, Kenneth K. Light, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber +2 more 1983-05-24
4374055 Alkyl esters of 1-alkanoyl cycloalkanols and organoleptic uses thereof Ronald P. Schreck, Kenneth K. Light, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber +2 more 1983-02-15
4359395 Process for enhancing the organoleptic properties of perfumed articles using alkyl esters of 1-alkanolyl cycloalkanols Ronald P. Schreck, Kenneth K. Light, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber +2 more 1982-11-16
4358617 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1982-11-09
4346245 Substituted tricyclodecane derivatives Mark A. Sprecker 1982-08-24
4337212 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1982-06-29
4327749 Alkyl esters of 1-alkanoyl cycloalkanols, process for preparing same and organoleptic uses thereof Ronald P. Schreck, Kenneth K. Light, Frederick L. Schmitt, Manfred H. Vock, William L. Schreiber +2 more 1982-05-04
4318863 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1982-03-09
4310701 Process for the preparation of homologues of methyl dihydrojasmonate Richard A. Wilson, Braja D. Mookherjee, Gilbert Stork 1982-01-12
4301184 Flavoring with 5-methyl-3,5-octadien-2-one Takao Yoshida 1981-11-17
4294266 Benzodioxanones and organoleptic uses thereof Mark A. Sprecker, Frederick L. Schmitt 1981-10-13
4289145 Use of acyl trimethyl cyclohexene derivatives in augmenting or enhancing the organoleptic properties of smoking tobacco or smoking tobacco article Robert W. Trenkle, Braja D. Mookherjee, Robin Kasper, Manfred H. Vock, Ronald P. Schreck +2 more 1981-09-15
4284654 Use of 1-hydroxy-1-ethynyl-2,2,6-trimethyl cyclohexane in augmenting or enhancing the aroma or taste of foodstuffs Robert W. Trenkle, Braja D. Mookherjee, Robin Kasper, Manfred H. Vock, Ronald P. Schreck +2 more 1981-08-18
4278569 2,2,3-Trimethyl-3-cyclopenten-1-ylalkyl, alkenyl and alkylidene, cyclohexanols, organo-leptic uses thereof in perfume compositions, colognes and perfumed articles Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1981-07-14
4275251 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof Mark A. Sprecker 1981-06-23
4265836 Process for producing cis-pent-2-enyl-1-chloride Wilhelmus J. Wiegers 1981-05-05