Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948781 | Novel odorant and/or flavoring substances | Roman Kaiser | 1990-08-14 |
| 4585662 | Acyclic alcohol odorant and/or flavoring substances | Roman Kaiser | 1986-04-29 |
| 4572795 | Odorant substances | Roman Kaiser | 1986-02-25 |
| 4567291 | 2-Methyl-2-buten-1-yl tiglate | Roman Kaiser | 1986-01-28 |
| 4500729 | 2-Methyl-2-buten-1-yl tiglate | Roman Kaiser | 1985-02-19 |
| 4486337 | 2-Methyl-2-buten-1-yl tiglate as odorant or flavorant | Roman Kaiser | 1984-12-04 |
| 4482762 | Odorant and/or flavoring substances | Roman Kaiser | 1984-11-13 |
| 4461309 | Ionyl-alkyl and ionyl alkenyl ethers as flavorants for tobacco | Roman Kaiser | 1984-07-24 |
| 4363331 | Tobacco products containing oxygenated ionone derivatives | Roman Kaiser | 1982-12-14 |
| 4352943 | 3-Butadienyl-2,4,4-trimethylcyclohex-2-enone and derivatives thereof | Roman Kaiser | 1982-10-05 |
| 4347190 | 2-Methyl-2-vinyl-5-(1'-hydroxy or acyloxy-1',5'-dimethyl-hex-4'-en-1'-yl)tetrahydrofuran | Roman Kaiser | 1982-08-31 |
| 4322318 | Novel prenyl 4-caranones | — | 1982-03-30 |
| 4313856 | Perfume compositions containing oxygenated ionone derivatives | Roman Kaiser | 1982-02-02 |
| 4311718 | Flavoring with 2,4,4-trimethyl-3-(buta-1,3-dienyl)cyclohex-2-en-one | Roman Kaiser | 1982-01-19 |
| 4278817 | Novel prenyl 4-caranones | — | 1981-07-14 |
| 4255337 | Novel odorants and flavorants | Roman Kaiser | 1981-03-10 |