Brian J. Willis
37Patents
6h-index
20Co-inventors
69Inventor score
Filing activity: Jun 22, 1976 → Aug 5, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5374614A | Aqueous perfume oil microemulsions | Chemistry; Metallurgy | 73 | Expired |
| US4560656A | Production of .gamma.-decalactone | Chemistry; Metallurgy | 19 | Expired |
| US4798799A | Process for producing diol and furan and microorganism capable of same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4326997A | Fragrance compositions of alicyclic ketone and alcohol derivatives | Chemistry; Metallurgy | 12 | Expired |
| US4261866A | Spirodienones and spirocyclic ketones | Chemistry; Metallurgy | 10 | Expired |
| US4510319A | Functionalization of terminal trisubstituted alkenes and derivatives thereof | Chemistry; Metallurgy | 7 | Expired |
| US4424146A | Acetaldehyde ethyl 6-dihydrolinalyl acetal perfume compositions | Chemistry; Metallurgy | 6 | Expired |
| US4188310A | Substituted cyclic alcohols, methods of preparing and compositions containing same | Chemistry; Metallurgy | 5 | Expired |
| US4341908A | Ambrinol and its homologues | Chemistry; Metallurgy | 5 | Expired |
| US6140295A | Perfumed laundry detergents containing lipase | Chemistry; Metallurgy | 5 | Expired |
| US4281204A | Substituted spirocyclic derivatives | Chemistry; Metallurgy | 5 | Expired |
| US4400545A | Alicyclic ketone and alcohol derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4221679A | Norbornyl-substituted pyran perfumes | Chemistry; Metallurgy | 4 | Expired |
| US4326996A | Fragrance composition comprising substituted cyclohexane derivatives | Human Necessities | 4 | Expired |
| US4605778A | Process for the preparation of aromatic musks | Chemistry; Metallurgy | 4 | Expired |
| US4203925A | Process for the production of spirodienones and spirocyclic ketones | Chemistry; Metallurgy | 4 | Expired |
| US5789010A | Malodors reduction | Chemistry; Metallurgy | 3 | Expired |
| US4206089A | 5-Alkylbicyclo[4.3.0]non-1-en-3-one and 5-alkylbicyclo[4.3.0]nonane-3-one perfume compositions | Chemistry; Metallurgy | 3 | Expired |
| US4272412A | Halogen containing ionone derivatives and compositions containing same | Chemistry; Metallurgy | 3 | Expired |
| US4197246A | Novel norcamphanyl-substituted pyrans, method for their synthesis and use thereof in perfumery | Chemistry; Metallurgy | 2 | Expired |
| US4267111A | Process for preparing .beta.-(3-exo-hydroxy-endo-2,3-dimethyl-2-norbornyl)-propionic acid .delta . | Chemistry; Metallurgy | 2 | Expired |
| US5891729A | Method for substrate classification | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4200659A | Flavoring compositions containing dialkyl-.alpha.,.beta.-diacyl succinates | Human Necessities | 2 | Expired |
| US4483786A | Nitrile musk composition | Chemistry; Metallurgy | 2 | Expired |
| US4289658A | 2-[-(2'2'3'-Trimethyl-3'-cyclopenten-1'-yl)-ethyliden]-and ethyl]-cyclopentanols | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.