Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103679 | Macrocyclic musk mixtures | Ian Michael Payne | 2000-08-15 |
| 4843061 | Cyclohexane-, cyclohexene- and cyclohexadiene-, bicyclo (2.2.1)-heptenecarboxylic acid esters, and also perfume compositions and perfumed products which contain one or more of said compounds as perfume component | Nicolaas L. J. M. Broekhof, Jan G. Witteveen | 1989-06-27 |
| 4783558 | Flavoring and perfume compositions, flavored foodstuffs and luxury consumables and perfumed products which contain one or more spathulenols as the base material, a spathulenol derivative and a process for the preparation of spathulenols | Leendert M. van der Linde, Franciscus P. van Lier | 1988-11-08 |
| 4760050 | Isopropyl-methyl-butenoyl-cyclohexanes, -cyclohexenes and -cyclohexadienes, and also perfume compositions and perfumed articles and materials which contain said compounds as a perfume ingredient | Nicolaas L. J. M. Broekhof, Jan G. Witteveen | 1988-07-26 |
| 4704232 | Flavouring and perfume compositions, flavoured foodstuffs and luxury consumables and perfumed products which contain one or more spathulenols as the base material, a spathulenol derivative and a process for the preparation of spathulenols | Leendert M. van der Linde, Franciscus P. van Lier | 1987-11-03 |
| 4687599 | Perfume compositions and perfumed products which contain one or more 4,7-alkadienals as the essential substance | Franciscus P. van Lier, Leendert M. van der Linde | 1987-08-18 |
| 4650604 | Perfume composition and perfumed products which contain one or more O-alkoxyphenols as perfume component | Nicolaas L. J. M. Broekhof | 1987-03-17 |
| 4643844 | Perfume compositions and perfumed articles containing dihydro- and/or tetrahydro-naphthols as fragrance material | Nicolaas L. J. M. Broekhof, Jogchum J. Hofma | 1987-02-17 |
| 4594183 | Perfume compositions and perfumed articles containing one or more tetramethyl-tri-cycloundecyl-alkyl ketones as perfume base | — | 1986-06-10 |
| 4537702 | Perfume and flavoring compositions, perfumed articles and materials, and flavored food products containing an oxaspirodecadiene derivative as the essential compound, as well as the oxaspiro[4.5]decadiene derivative per se | Harrie Renes | 1985-08-27 |
| 4459224 | Perfume compositions as well as perfumed articles and materials containing alkyl substituted benzyl cyanides as a fragrance | Roeland Plomp, Harmannus Boelens | 1984-07-10 |
| 4453014 | Perfume compositions and perfumed articles containing one or more tetramethyl-tri-cycloundecyl-alkyl ketones as perfume base | — | 1984-06-05 |
| 4448712 | Perfume compositions and perfumed articles containing spiro-undecanones and -undecenones as perfume base | Willem Apeldoorn | 1984-05-15 |
| 4442025 | Perfume compositions and perfumed articles containing esters of substituted bicyclo [2.2.1]heptane and heptene-carboxylic acids as perfume base | Harmannus Boelens, Theodorus Gerardus Maria Hesp | 1984-04-10 |
| 4404127 | Perfume compositions and perfumed materials and articles, containing phenyl-tetrahydrofurans as a fragrance | Roeland Plomp, Willem Apeldoorn | 1983-09-13 |