Inventor · disambiguated record
Harmannus Boelens
Also filed as: BOELENS HARMANNUS · TRAAS PETRUS C
11 granted patents·98 citations·filing 1973–1982
89Inventor score
Top patents by PatentIndex Score
11 records- 0186US4352748ANovel 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
- 0271US4235824AMethod 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
- 0362US4040986APreparation of 4-methoxybenzonitrile perfume compositionsNAARDEN INTERNATIONAL NV·Filed 1976·Granted Aug 9, 1977·10 cites·2 claims
- 0461US4459224APerfume compositions as well as perfumed articles and materials containing alkyl substituted benzyl cyanides as a fragranceNAARDEN INTERNATIONAL NV·Filed 1982·Granted Jul 10, 1984·11 cites·4 claims
- 0559US4057515APerfume compositionsCHEMISCHE FABRIEK NAARDEN NL19·Filed 1975·Granted Nov 8, 1977·12 cites·3 claims
- 0646US4442025APerfume compositions and perfumed articles containing esters of substituted bicyclo [2.2.1]heptane and heptene-carboxylic acids as perfume baseNAARDEN INTERNATIONAL NV·Filed 1981·Granted Apr 10, 1984·28 cites·8 claims
- 0739US3974201AMethyl-N-(2-methyl-pentylidene)-anthranilate for perfume and flavoring compositionsNAARDEN INTERNATIONAL NV·Filed 1973·Granted Aug 10, 1976·2 cites·1 claims
- 0837US4147671APerfume compositions containing 8 allyl-8-hydroxytricyclo [5,21,02.6 ]NAARDEN INTERNATIONAL NV·Filed 1978·Granted Apr 3, 1979·2 cites·4 claims
- 0936US4288349APerfume compositions containing 3,3-dimethylbicyclo-[2,2,1]-heptane-2-carboxylic acid as a perfumeNAARDEN INTERNATIONAL NV·Filed 1979·Granted Sep 8, 1981·2 cites·6 claims
- 1029US4124771A8-Allyl-8-hydroxytricyclo-[5,2,1,02,6 ] decaneNAARDEN INTERNATIONAL NV·Filed 1977·Granted Nov 7, 1978·0 cites·1 claims
- 1128US4057516APreparing perfumed compositions containing 8-allyl-8-hydroxytricyclo[5,2.1.02,6 ]decane alone or combined with O-hydroxybenzyl ethyl etherNAARDEN INTERNATIONAL NV·Filed 1975·Granted Nov 8, 1977·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Harmannus Boelens 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 →