Ralf Bertram — 10 Patents at Symrise Ag

Ralf Bertram has been granted 10 US patents while listed as an inventor at Symrise Ag. The first was granted in 2003 and the most recent in October 2025. Ralf Bertram ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Ralf Bertram in Holzminden, DE.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
12453693	Encapsulated fragrance compounds based on natural amino acids	Julian Alexander Georgi, Benjamin Rost, Britta Raabe, Andre Haetzelt, Joern Wiedemann	2025-10-28
12409433	Microcapsules	Benjamin Rost, Daniela Gregor, Lara-Joy KLEINE-BENNE	2025-09-09
12220677	Process for the preparation of microcapsules	Julian Alexander Georgi, Benjamin Rost, Diane Dröge, Thorsten BÖDDEKER	2025-02-11
11344857	Microcapsules	Claus Jurisch, Michael Horn, Claudia MEIER, Patrick Ott	2022-05-31
10835885	Method for producing microcapsules	Benjamin Rost, Daniela Gregor, Jan Peter Ebbecke, Sabine Lange	2020-11-17
10299996	Active ingredient capsules	Jenny Weissbrodt, Frank Aickele	2019-05-28
9719058	Fragrant oil encapsulation	Patrick Ott, Lutz Kuhne, Claudia MEIER, Julien Schroeder, Stephan Mahler +1 more	2017-08-01
6906021	Care gents	Norbert Trage, Steffen Sonnenberg, Jürgen Meyknecht	2005-06-14
6730795	Process for the preparation of phenylene-bis-benzimidazole-tetrasulfonic acid disodium salt	Stephan Hillers, Oskar Koch, Harry Erfurt, Gerald Reinders	2004-05-04
6624125	Care agents	Norbert Trage, Steffen Sonnenberg, Jürgen Meyknecht	2003-09-23

Ralf Bertram — 10 Patents

Issued Patents All Time

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