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 76–100 of 240 patents

Patent #TitleCo-InventorsDate
4629805 Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden 1986-12-16
4622171 Polyhydroindan carboxaldehydes and uses thereof in augmenting or enhancing the aromas of perfume compositions, colognes and perfumed articles William L. Schreiber, Futoshi Fujioka, Richard M. Boden, Manfred H. Vock, Patrick Whelan +1 more 1986-11-11
4619781 Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof Wilhelmus J. Wiegers, William L. Schreiber 1986-10-28
4616095 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 1986-10-07
4615830 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 1986-10-07
4614831 Process for preparing alkyl substituted para-carboalkoxy cyclohexanones Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden 1986-09-30
4614611 Organoleptic uses of para-methylacetophenone dimethylacetal 1986-09-30
4613706 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 1986-09-23
4608193 Isochroman derivatives and organoleptic uses thereof Wilhelmus J. Wiegers, Roger E. Greene, Domenick Luccarelli, Jr., Marie R. Hanna 1986-08-26
4604487 Process for preparing phenyl alkanol and perfumery uses of resulting product Wilhelmus J. Wiegers 1986-08-05
4585582 Perfumery uses of 2-n-pentyl-2-cyclohexen-1-one Augustinus G. Van Loveren 1986-04-29
4582634 Use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles of 1-phenylpenten-4-one-1 and methyl homologues thereof Marie R. Hanna 1986-04-15
4576742 Perfume uses of reactive product containing mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock 1986-03-18
4576741 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 1986-03-18
4572796 1,1,4,7-Tetramethyl-3-indanone, product produced thereby and organoleptic uses thereof Augustinus G. Van Loveren, Patrick Whelan, Marie R. Hanna 1986-02-25
4569771 Use of mixture comprising acetric or propionic acid esters of ortho methyl phenyl isopropanol and specified perfume compounds in augmenting or enhancing the aroma of a detergent or fabric softening article Wilhelmus J. Wiegers 1986-02-11
4554096 Perfumery uses of phenyl alkanols Wilhelmus J. Wiegers 1985-11-19
4549982 1-Oxoalkyl-2-isopropylnorbornane derivatives, uses thereof in augmenting or enhancing the aroma of consumable materials and processes for preparing same John B. Hall, Robert P. Belko, Augustinus G. Van Loveren, Marie R. Hanna 1985-10-29
4549983 Process for preparing phenyl alkanol and perfumery uses of resulting product Wilhelmus J. Wiegers 1985-10-29
4548743 Ketal and use in perfumery Robert P. Belko, William L. Schreiber, Michael Licciardello 1985-10-22
4546208 Process for preparing phenyl alkanols and perfumery uses of resulting products Wilhelmus J. Wiegers 1985-10-08
4541949 Polyhydroindan carboxaldehydes William L. Schreiber, Futoshi Fujioka, Richard M. Boden, Manfred H. Vock, Patrick Whelan +1 more 1985-09-17
4541951 1(1,3-Dioxobutane)-3,3-dimethylcyclohexane useful in perfumes John B. Hall 1985-09-17
4537704 Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden 1985-08-27
4534890 Uses of para-acyloxycyclohexyl alkylcarboxylates in augmenting or enhancing the organoleptic properties of consumable materials Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden 1985-08-13