Mark A. Sprecker
282Patents
13h-index
68Co-inventors
89Inventor score
Filing activity: Aug 11, 1976 → May 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4314915A | Uses in perfumery of ether derivatives of indanes | Chemistry; Metallurgy | 55 | Expired |
| US4076853A | Flavoring with substituted norbornane derivatives | Chemistry; Metallurgy | 35 | Expired |
| US4162256A | Process for the production of compounds useful in perfumery | Chemistry; Metallurgy | 23 | Expired |
| US6271193A | Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof | Chemistry; Metallurgy | 19 | Expired |
| US4537704A | Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof | Chemistry; Metallurgy | 19 | Expired |
| US6333180A | Bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate | Chemistry; Metallurgy | 19 | Expired |
| US4681976A | Process for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones | Chemistry; Metallurgy | 18 | Expired |
| US4136208A | Flavoring with substituted norbornane derivatives | Chemistry; Metallurgy | 17 | Expired |
| US6462015B1 | Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor | Chemistry; Metallurgy | 15 | Expired |
| US4772583A | Beta-alkylidene phenethyl alcohol esters and ethers, organoleptic uses thereof and processes for preparing same | Chemistry; Metallurgy | 15 | Expired |
| US6774260B2 | Fruity musk compositions | Chemistry; Metallurgy | 14 | Expired |
| US6919477B2 | Fruity musk compositions | Chemistry; Metallurgy | 14 | Expired |
| US4476042A | Mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives, organoleptic uses thereof and processes for preparing same | Chemistry; Metallurgy | 13 | Expired |
| US4629805A | Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof | Chemistry; Metallurgy | 13 | Expired |
| US4614831A | Process for preparing alkyl substituted para-carboalkoxy cyclohexanones | Chemistry; Metallurgy | 13 | Expired |
| US4643903A | Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof | Chemistry; Metallurgy | 12 | Expired |
| US4960597A | Flavoring with mixtures of lactones | Chemistry; Metallurgy | 12 | Expired |
| US4275251A | Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof | Chemistry; Metallurgy | 11 | Expired |
| US4424379A | Cyclohexenyl-alpha-alkyl acrolein derivatives | Chemistry; Metallurgy | 10 | Expired |
| US4250338A | Bridged ketones and process for preparing same | Chemistry; Metallurgy | 10 | Expired |
| US4241097A | Use of benzodionones in augmenting or enhancing the aroma and taste of a foodstuff | Human Necessities | 10 | Expired |
| US4466908A | Isopropyl tetramethylindan musk, organoleptic use thereof | Chemistry; Metallurgy | 9 | Expired |
| US4269862A | Use of 1,3,5,5-Tetramethyl-2-oxabicyclo[2.2.2]octane in augmenting or enhancing the aroma or taste of foodstuffs | Chemistry; Metallurgy | 9 | Expired |
| US4962090A | 2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof | Chemistry; Metallurgy | 9 | Expired |
| US4351347A | Organoleptic uses of norbornyl ethers and esters | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.