Inventor · disambiguated record
Petrus C. Traas
Also filed as: BOELENS HARMANNUS · TRAAS PETRUS C
7 granted patents·275 citations·filing 1976–1993
87Inventor score
Files withNAARDEN INTERNATIONAL NV6
Top patents by PatentIndex Score
7 records- 0189US4921636ATime duration indicator systems, and also products containing such indicator systems having a limited duration of use or lifeNAARDEN INTERNATIONAL NV·Filed 1986·Granted May 1, 1990·73 cites·10 claims
- 0286US4352748ANovel acyl-polyalkylindan compounds and the use thereof as a base for perfume, as well as perfume compositionsNAARDEN INTERNATIONAL NV·Filed 1981·Granted Oct 5, 1982·22 cites·2 claims
- 0379US5374614AAqueous perfume oil microemulsionsFiled 1993·Granted Dec 20, 1994·130 cites·16 claims
- 0471US4235824AMethod for the preparation of fragrances, and method for the preparation of perfume compositionsNAARDEN INTERNATIONAL NV·Filed 1978·Granted Nov 25, 1980·9 cites·4 claims
- 0562US4040986APreparation of 4-methoxybenzonitrile perfume compositionsNAARDEN INTERNATIONAL NV·Filed 1976·Granted Aug 9, 1977·10 cites·2 claims
- 0649US4152355AProcess for the preparation of boll weevil sex pheromone componentsNAARDEN INTERNATIONAL NV·Filed 1977·Granted May 1, 1979·2 cites·3 claims
- 0747US4719040AProcess for the preparation of air-freshener gelsNAARDEN INTERNATIONAL NV·Filed 1985·Granted Jan 12, 1988·29 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Petrus C. Traas files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →