Inventor · disambiguated record
Wilhelmus J. Wiegers
Also filed as: SCHMITT FREDERICK L · WIEGERS WILHELMUS J · WIEGERS WILHELMUS JOHANNES
44 granted patents·360 citations·filing 1979–1997
98Inventor score
Files withINT FLAVORS & FRAGRANCES INC44
Top patents by PatentIndex Score
44 records- 0197US4314915AUses in perfumery of ether derivatives of indanesINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Feb 9, 1982·95 cites·3 claims
- 0286US4522765ADi(7-octenyl) carbonateINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Jun 11, 1985·15 cites·1 claims
- 0381US4525364AFlavoring with a macrocyclic carbonateINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Jun 25, 1985·12 cites·3 claims
- 0478US4537704AAlkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1983·Granted Aug 27, 1985·21 cites·5 claims
- 0576US4265818AIndane alkanols and tricyclic isochromans and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1979·Granted May 5, 1981·10 cites·3 claims
- 0671US4681976AProcess for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanonesINT FLAVORS & FRAGRANCES INC·Filed 1986·Granted Jul 21, 1987·18 cites·1 claims
- 0771US4490544AMacrocyclic carbonates, processes for preparing same, organoleptic uses thereof and intermediates used in said processINT FLAVORS & FRAGRANCES INC·Filed 1983·Granted Dec 25, 1984·6 cites·1 claims
- 0869US4914083AOxy-substituted-2-phenyl pyran derivatives and process for preparing same and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1989·Granted Apr 3, 1990·8 cites·15 claims
- 0967US4619781AProcess for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Oct 28, 1986·8 cites·2 claims
- 1066US4614831AProcess for preparing alkyl substituted para-carboalkoxy cyclohexanonesINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Sep 30, 1986·15 cites·1 claims
- 1163US4568470AUse of macrocyclic lactone in augmenting or enhancing aroma or taste of consumable materialsINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Feb 4, 1986·12 cites·3 claims
- 1263US4301076AIsochroman musk compounds and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Nov 17, 1981·6 cites·1 claims
- 1361US4604232AMethyl-substituted cyclohexenyl acetaldehydes, organoleptic uses thereof, processes for producing same and intermediates useful thereinINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Aug 5, 1986·6 cites·3 claims
- 1459US4549983AProcess for preparing phenyl alkanol and perfumery uses of resulting productINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Oct 29, 1985·5 cites·8 claims
- 1557US4541950AUse of macrocyclic lactone in augmenting or enhancing aroma or taste of consumable materialsINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Sep 17, 1985·8 cites·1 claims
- 1657US4524021APerfumery uses of esters of phenyl alkanolsINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Jun 18, 1985·8 cites·2 claims
- 1757US4490404AFlavoring with macrocyclic lactoneINT FLAVORS & FRAGRANCES INC·Filed 1983·Granted Dec 25, 1984·8 cites·1 claims
- 1856US4629805AAlkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Dec 16, 1986·17 cites·7 claims
- 1956US4608193AIsochroman derivatives and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Aug 26, 1986·10 cites·2 claims
- 2054US4546208AProcess for preparing phenyl alkanols and perfumery uses of resulting productsINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Oct 8, 1985·4 cites·3 claims
- 2150US4620039ANorbornylbutadiene-acrolein adductsINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Oct 28, 1986·3 cites·3 claims
- 2249US4292193AIsochroman musk compounds and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Sep 29, 1981·3 cites·1 claims
- 2349US4250200AFlavoring with a mixture of isochroman musk compoundsINT FLAVORS & FRAGRANCES INC·Filed 1979·Granted Feb 10, 1981·9 cites·2 claims
- 2447US4643903AAlkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Feb 17, 1987·12 cites·1 claims
- 2546US4515712AMacrocyclic carbonates and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted May 7, 1985·4 cites·2 claims
- 2644US4308412AIndane alkanols and tricyclic isochromans and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Dec 29, 1981·4 cites·3 claims
- 2743US4315951AFlavoring with indane alkanols and tricyclic isochromansINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Feb 16, 1982·2 cites·3 claims
- 2842US4666629AProcess for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1986·Granted May 19, 1987·2 cites·5 claims
- 2942US4512918APerfumery uses of phenyl alkanolsINT FLAVORS & FRAGRANCES INC·Filed 1983·Granted Apr 23, 1985·7 cites·4 claims
- 3040US4668817AAlkyl substituted para-carboalkoxy cyclohexanonesINT FLAVORS & FRAGRANCES INC·Filed 1986·Granted May 26, 1987·6 cites·5 claims
- 3140US4559168AUse of macrocyclic lactone in augmenting or enhancing aroma or taste of consumable materialsINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Dec 17, 1985·1 cites·1 claims
- 3239US4554096APerfumery uses of phenyl alkanolsINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Nov 19, 1985·2 cites·1 claims
- 3339US4536299APerfuming with a macrocyclic carbonateINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Aug 20, 1985·2 cites·3 claims
- 3435US4604487AProcess for preparing phenyl alkanol and perfumery uses of resulting productINT FLAVORS & FRAGRANCES INC·Filed 1985·Granted Aug 5, 1986·5 cites·3 claims
- 3534US5783724AAllyl esters of 2-norbornane acrylic acids and 2-norbornylidene propionic aicds and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1997·Granted Jul 21, 1998·0 cites·2 claims
- 3634US4666630APerfumery uses of norbornylbutadiene-acrolein adductsINT FLAVORS & FRAGRANCES INC·Filed 1986·Granted May 19, 1987·1 cites·8 claims
- 3734US4560500ANorbornylbutadiene-acrolein adducts, process for preparing same and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Dec 24, 1985·2 cites·4 claims
- 3832US5698514AAllyl esters of 2-norbornane acrylic acids and 2-norbornylidene propionic acids and perfumery uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1995·Granted Dec 16, 1997·0 cites·24 claims
- 3932US4534890AUses of para-acyloxycyclohexyl alkylcarboxylates in augmenting or enhancing the organoleptic properties of consumable materialsINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Aug 13, 1985·0 cites·8 claims
- 4032US4524783AAlkanoic acid esters of 3,4,5,6,6-pentamethyl heptanol-2 and alkyl homologues thereof; process for preparing same and organoleptic uses thereofINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Jun 25, 1985·2 cites·7 claims
- 4131US5241089APolyhydrodimethylnaphthalene spirofuran derivatives, organoleptic uses thereof and process for preparing sameINT FLAVORS & FRAGRANCES INC·Filed 1993·Granted Aug 31, 1993·0 cites·3 claims
- 4231US5219835APolyhydrodimethylnaphthalene spirofuran derivatives, organoleptic uses thereof and process for preparing sameINT FLAVORS & FRAGRANCES INC·Filed 1992·Granted Jun 15, 1993·1 cites·11 claims
- 4331US4569771AUse 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 articleINT FLAVORS & FRAGRANCES INC·Filed 1984·Granted Feb 11, 1986·0 cites·1 claims
- 4430US4295978AUse of isochroman musk compounds in augmenting or enhancing the aroma of dryer-added fabric softener articlesINT FLAVORS & FRAGRANCES INC·Filed 1980·Granted Oct 20, 1981·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →