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USPTO Patent Rankings Data through Dec 31, 2025
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Rudolf Bermes — 13 Patents

Basf Se: 13 patents #1,226 of 13,826Top 9%
Ludwigshafen, DE: #271 of 1,722 inventorsTop 20%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Rudolf Bermes has been granted 13 US patents while listed as an inventor at Basf Se. The first was granted in 1985 and the most recent in December 2000. Rudolf Bermes ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Rudolf Bermes in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 1985 to 2000Bar chart with a peak of 2 patents in 1995.peak 21985: 1 patents19851987: 1 patents19871989: 1 patents19891992: 1 patents19921995: 2 patents19951996: 1 patents19961997: 1 patents19971998: 2 patents19981999: 1 patents19992000: 2 patents2000

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6160169 Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid Armin Haag, Hellmut Kast, Peter Krotzsch 2000-12-12 $247,000
6036760 Use of aqueous liquid dye concentrates comprising a disazo dye in the inkjet process and also disazo dyes 2000-03-14
5892105 Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid Armin Haag, Hellmut Kast, Peter Krotzsch 1999-04-06
5847113 Preparation of sulfo-containing copper phthalocyanine dyes 1998-12-08
5770708 Preparation of phenylazonaphthalenes 1998-06-23
5597905 Preparation of benzothiazolylazoanilines 1997-01-28
5531797 Aqueous dye preparations containing coumarin dyes Walter Breitschaft 1996-07-02
5431723 Use of liquid preparations of a disazo dye in the ink jet process and the diazo dye Rainer Dyllick-Brenzinger, Karin H. Beck 1995-07-11
5424403 Preparation of aminoazo dyes Heinz Keilhauer 1995-06-13
5173086 Concentrated aqueous solutions of 2-phenylbenzothiazoleazo dyes with mixed cations 1992-12-22
4804387 Liquid black dye mixture Hans-Juergen Degen, Sigberg Pfohl 1989-02-14
4668789 Liquid dye salts 1987-05-26
4560745 Preparation of dyes which contain sulfonic acid groups and have a low electrolyte content Volkmar Weberndoerfer, Friedrich Brunnmueller, Manfred Eisert 1985-12-24