1
Mark A Sprecker, Robert P Belko, Richard M Boden, Marie R Hanna: Beta-alkylidene phenethyl alcohol esters and ethers, organoleptic uses thereof and processes for preparing same. International Flavors & Fragrances, Arthur L Liberman, September 20, 1988: US04772583 (14 worldwide citation)

Described is the novel compound genus the beta-alkylidene phenethyl alcohol esters and ethers of our invention defined according to the generic structure: ##STR1## wherein R.sub.5 represents hydrogen or methyl; wherein R.sub.6 represents one of the moieties: ##STR2## wherein R.sub.1, R.sub.2, R.sub. ...


2
Mark A Sprecker, Wilhelmus J Wiegers, Robert P Belko, Richard M Boden: Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof. International Flavors & Fragrances, Arthur L Liberman, August 27, 1985: US04537704 (13 worldwide citation)

Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing ...


3
Mark A Sprecker, Wilhelmus J Wiegers, Robert P Belko, Richard M Boden: Process for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones. International Flavors & Fragrances, Arthur L Liberman, July 21, 1987: US04681976 (11 worldwide citation)

Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing ...


4
Mark A Sprecker, Robert P Belko, Salvatore M Brucato, Charles E J Beck, Marie R Hanna: 2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof. International Flavors & Fragrances, Arthur L Liberman, October 9, 1990: US04962090 (10 worldwide citation)

Described are 2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers defined according to the generic structure: ##STR1## wherein R' represents methyl or ethyl; R.sub.1 and R.sub.2 taken alone are the same or different hydrogen, phenyl, C.sub.1 -C.sub.8 alkyl or C.sub.2 -C.sub.8 alken ...


5
Robert P Belko, Mark A Sprecker, Charles E J Beck: Methylene dioxy tetrahydroindane derivative. International Flavors & Fragrances, Joseph F Leightner, October 16, 2001: US06303798 (10 worldwide citation)

The present invention is directed to a novel dioxin compound and the use of the novel compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products.


6
James O Bledsoe, Michael Britten Kelly, Mark A Sprecker, Robert P Belko, Manfred Pawlak, Michael G Monteleone: Fruity musk compositions. International Flavors & Fragrances, Joseph F Leightner, July 19, 2005: US06919477 (10 worldwide citation)

Novel ester compounds and the use of these esters as a fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products are disclosed.


7
Mark A Sprecker, Philip T Klemarczyk, Robert P Belko: Cyclohexenyl-alpha-alkyl acrolein derivatives. International Flavors & Fragrances, Arthur L Liberman, January 3, 1984: US04424379 (10 worldwide citation)

Described are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub ...


8
Mark A Sprecker, Robert P Belko, Roger E Greene: Isopropyl tetramethylindan musk, organoleptic use thereof. International Flavors & Fragrances, Arthur L Liberman, August 21, 1984: US04466908 (10 worldwide citation)

Described are isopropyl tetramethylindan musks defined according to the generic structure: ##STR1## wherein R.sub.3 and R.sub.4 are each acetyl or methyl with the provisos:


9
James O Bledsoe, Michael Britten Kelly, Mark A Sprecker, Robert P Belko, Manfred Pawlak, Michael G Monteleone: Fruity musk compositions. International Flavors & Fragrances, Joseph F Leightner, August 10, 2004: US06774260 (10 worldwide citation)

Novel ester compounds and the use of these esters as a fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products are disclosed.


10
Robert P Belko, Richard M Boden, Marie R Hanna: Norbornyl oxyacetaldehyde. International Flavors & Fragrances, Arthur L Liberman, October 12, 1982: US04354043 (8 worldwide citation)

Described is a compound having the structure: ##STR1## a norbornyl oxyacetaldehyde, prepared by oxidizing the norbornyl oxyethanol compound having the structure: ##STR2## using air or oxygen and a silver or copper chromite catalyst; and organoleptic uses of such oxidation product in the field of per ...