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 51–75 of 75 patents

Patent #TitleCo-InventorsDate
4264456 Benzodioxanones and organoleptic uses thereof Mark A. Sprecker, Frederick L. Schmitt 1981-04-28
4260830 Process for the preparation of methyl dihydrojasmonate and lower alkyl homologues Richard A. Wilson, Braja D. Mookherjee, Gilbert Stork 1981-04-07
4260527 Use of 1-acetyl-22,6-trimethyl cyclohexene-1 in augmenting or enhancing the aroma of perfumes and cologne Robert W. Trenkle, Braja D. Mookherjee, Robin Kasper, Manfred H. Vock, Ronald P. Schreck +2 more 1981-04-07
4259214 Benzodioxanones and organoleptic uses thereof Mark A. Sprecker, Frederick L. Schmitt 1981-03-31
4255275 Benzodioxanones and organoleptic uses thereof Mark A. Sprecker, Frederick L. Schmitt 1981-03-10
4250332 Process for preparing acyl trimethyl cyclohexene derivatives and use of intermediates therefor in augmenting or enhancing the aroma or taste of a consumable material Robert W. Trenkle, Braja D. Mookherjee, Robin Kasper, Manfred H. Vock, Ronald P. Schreck +2 more 1981-02-10
4248787 Process for preparing substituted cyclic acetals of oxyacetaldehydes and said cyclic acetals Mark A. Sprecker, John J. Kryschuk 1981-02-03
4245122 Process for the production of allyl acetone Takao Yoshida, Denis E. Hruza, Sr. 1981-01-13
4241228 2,2,3-Trimethyl-3-cyclopenten-1-ylalkenyl and alkylidene secondary alkanols, alkanones, cycloalkanols and cycloalkanones, organoleptic uses thereof in perfume compositions, colognes and perfumed articles and process for producing same Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1980-12-23
4240447 Use for preparing smoking tobacco compositions of spiropyran derivatives Denis E. Hruza, Sr., Edward J. Shuster, Manfred H. Vock, Joaquin F. Vinals 1980-12-23
4241097 Use of benzodionones in augmenting or enhancing the aroma and taste of a foodstuff Mark A. Sprecker, Frederick L. Schmitt 1980-12-23
4234518 Ketones and organoleptic uses thereof Takao Yoshida 1980-11-18
4223168 Method for preparing oxyhydrocarbylnorbornane derivatives Kenneth K. Light, James M. Sanders, Manfred H. Vock, Edward J. Shuster, Joaquin F. Vinals +6 more 1980-09-16
4219451 2,2,3-Trimethyl-3-cyclopenten-1-ylalkenyl and alkylidene secondary alcohols in perfume compositions Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1980-08-26
4210767 2,2,3-Trimethyl-3-cyclopenten-1-ylalkenyl and alkylidene secondary alkanols, alkanones, cycloalkanols and cycloalkanones, organoleptic uses thereof in perfume compositions, colognes and perfumed articles and process for producing same Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1980-07-01
4209649 Novel oxyhydrocarbylnorbornane derivatives and perfumery uses thereof Kenneth K. Light, James M. Sanders, Manfred H. Vock, Edward J. Shuster, Joaquin F. Vinals +6 more 1980-06-24
4208297 Use of novel oxyhydrocarbylnorbornane derivatives for augmenting or enhancing the aroma of detergents Kenneth K. Light, James M. Sanders, Manfred H. Vock, Edward J. Shuster, Joaquin F. Vinals +6 more 1980-06-17
4208296 Use of 2,2,3,-trimethyl-3-cyclopenten-1-ylalkenyl and alkylidene cycloalkanols and cycloalkanones in augmenting or enhancing the aroma of detergents Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1980-06-17
4206091 2,2,3-Trimethyl-3-cyclopenten-1-yl-alkenyl and alkylidene cycloalkanones Takao Yoshida, Braja D. Mookherjee, Venkatesh Kamath, William I. Taylor, Frederick L. Schmitt 1980-06-03
4205186 Process for preparing substituted oxyacetaldehydes and acetals thereof Mark A. Sprecker, John J. Kryschuk 1980-05-27
4201697 Perfumery uses of oxyhydrocarbylnorbornane derivatives Kenneth K. Light, James M. Sanders, Manfred H. Vock, Edward J. Shuster, Joaquin F. Vinals +6 more 1980-05-06
4199481 Acetylated alpha methyl styrene dimers or derivatives in perfumes Wilhelmus J. Wiegers, Ira D. Hill, Robert M. Novak, Frederick L. Schmitt 1980-04-22
4192782 Use of certain spiropyran derivatives for augmenting, enhancing or modifying the organoleptic properties of perfumes and colognes Denis E. Hruza, Sr., Edward J. Shuster, Manfred H. Vock, Joaquin F. Vinals 1980-03-11
4186103 Use of spiropyran derivatives in augmenting, enhancing or modifying the aroma of detergents Denis E. Hruza, Sr., Edward J. Shuster, Manfred H. Vock, Joaquin F. Vinals 1980-01-29
4186150 Novel oxyhydrocarbylnorbornane derivatives and perfumery uses thereof Kenneth K. Light, James M. Sanders, Manfred H. Vock, Edward J. Shuster, Joaquin F. Vinals +6 more 1980-01-29