MS

Mark A. Sprecker

IF International Flavors & Fragrances: 240 patents #2 of 483Top 1%
📍 Long Branch, NJ: #1 of 181 inventorsTop 1%
🗺 New Jersey: #33 of 69,400 inventorsTop 1%
Overall (All Time): #2,220 of 4,157,543Top 1%
240
Patents All Time

Issued Patents All Time

Showing 26–50 of 240 patents

Patent #TitleCo-InventorsDate
5527768 Use of 1-benzyl cyclohexanol in augmenting, enhancing or imparting aromas in or to perfume compositions, perfumed articles and colognes and, optionally, simultaneously repelling insects Richard A. Weiss, Charles E. J. Beck 1996-06-18
5502031 Methyl substituted propyl-substituted pentamethyl indane derivatives processes for producing same and perfumery uses thereof Olivier J. Gillotin 1996-03-26
5494892 Methyl substituted propyl-substituted pentamethyl indane derivatives processes for producing same and perfumery uses thereof Olivier J. Gillotin 1996-02-27
5486502 2-methoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles Richard A. Weiss, Marie R. Hanna 1996-01-23
5426255 Methyl, substituted propyl-substituted pentamethyl indane derivatives, processes for producing same and perfumery uses thereof Olivier J. Gillotin 1995-06-20
5378685 Process for preparing mixture of trimethyl and dimethylmethylene propyl polyhydropyrans, products produced thereby perfumery uses of such product Robert P. Belko, Marie R. Hanna 1995-01-03
5376630 Methyl, substituted propyl-substituted pentamethyl indane derivatives, processes for producing same and perfumery uses thereof Olivier J. Gillotin 1994-12-27
5372995 Reduced reaction product of protonic acid catalyzed reaction of methyl ethyl ketone and benzaldehyde and perfume uses thereof Richard A. Weiss, Marie R. Hanna 1994-12-13
5358930 2-ethoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles Richard A. Weiss, Richard M. Boden, Olivier J. Gillotin 1994-10-25
5137869 Methyl substituted tetrahydroindanone and perfumery uses thereof Robert P. Belko, Eleanor Fox, Alphonsus P. M. Maas, Djurre Sijbren Postma 1992-08-11
5110953 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products Mohamad I. Farbood, James Alan Morris, Lynda J. Bienkowski, Kevin P. Miller, Manfred H. Vock +1 more 1992-05-05
5097046 Process for preparing alkyl substituted tetra- or hexahydrobenzopyran derivatives Robert P. Belko, Marie R. Hanna, Charles E. J. Beck, Salvatore M. Brucato 1992-03-17
5077273 Epoxyoctahydrodimethylacetonaphthones, and perfumery uses thereof Robert P. Belko, Kathleen E. Boardwick 1991-12-31
5030618 Alkyl-substituted tetra- or hexahydrobenzopyran derivatives, organoleptic uses thereof and process for preparing same Robert P. Belko, Marie R. Hanna, Charles E. J. Beck, Salvatore M. Brucato 1991-07-09
5023347 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products Mohamad I. Farbood, James Alan Morris, Lynda J. Bienkowski, Kevin P. Miller, Manfred H. Vock +1 more 1991-06-11
5023352 Alkyl-substituted tetra- or hexahydrobenzopyran derivatives, organoleptic uses thereof and process for preparing same Robert P. Belko, Marie R. Hanna, Charles E. J. Beck, Salvatore M. Brucato 1991-06-11
4999439 Alkyl-substituted tetra- or hexahydrobenzopyran derivatives, organoleptic uses thereof and process for preparing same Robert P. Belko, Marie R. Hanna, Charles E. J. Beck, Salvatore M. Brucato 1991-03-12
4963285 2,4,4-irisubstituted tetrahydro pyranyl esters and organoleptic uses thereof Roger E. Greene 1990-10-16
4962090 2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof Robert P. Belko, Salvatore M. Brucato, Charles E. J. Beck, Marie R. Hanna 1990-10-09
4960597 Flavoring with mixtures of lactones Mohamad I. Farbood, James Alan Morris, Lynda J. Bienkowski, Kevin P. Miller, Manfred H. Vock +1 more 1990-10-02
4946782 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products Mohamad I. Farbood, James Alan Morris, Lynda J. Bienkowski, Kevin P. Miller, Manfred H. Vock +1 more 1990-08-07
4933488 Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same Robert P. Belko, Marie R. Hanna 1990-06-12
4933321 Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same Robert P. Belko, Marie R. Hanna 1990-06-12
4933320 Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery Robert P. Belko, William L. Schreiber, Michael Licciardello 1990-06-12
4933319 Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes Robert P. Belko, Charles E. J. Beck 1990-06-12