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USPTO Patent Rankings Data through Dec 31, 2025
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Hans-Jerg Kleiner — 145 Patents

Hoechst Gmbh: 107 patents #1 of 4,020Top 1%
TITicona: 13 patents #14 of 346Top 5%
CACassella Aktiengesellschaft: 6 patents #33 of 243Top 15%
CLClariant: 5 patents #85 of 540Top 20%
Siemens Aktiengesellschaft: 3 patents #4,667 of 22,248Top 25%
CGCelanese Gmbh: 3 patents #175 of 478Top 40%
A&Aventis Research & Technologies Gmbh &: 2 patents #24 of 131Top 20%
CGCelanese Chemicals Europe Gmbh: 1 patents #35 of 84Top 45%
ALAgrevo Uk Limited: 1 patents #16 of 29Top 60%
Kronberg, DE: #1 of 185 inventorsTop 1%
Overall (All Time): #6,675 of 4,157,543Top 1%
145 Patents All Time
Hans-Jerg Kleiner has been granted 145 US patents while listed as an inventor at Hoechst Gmbh. The first was granted in 1980 and the most recent in July 2002. Hans-Jerg Kleiner ranks #6,675 of 4,157,543 US inventors in our database (top 0.16%). Patent records list Hans-Jerg Kleiner in Kronberg, DE.

Patents per Year

Patents granted per year, 1980 to 2002Bar chart with a peak of 20 patents in 1998.peak 201980: 2 patents19801981: 4 patents1982: 1 patents1983: 4 patents19831984: 6 patents1985: 4 patents1986: 3 patents19861987: 5 patents1988: 3 patents1989: 9 patents19891990: 11 patents1991: 9 patents1992: 9 patents19921993: 6 patents1994: 6 patents1995: 3 patents19951996: 9 patents1997: 8 patents1998: 20 patents19981999: 7 patents2000: 7 patents2001: 7 patents20012002: 2 patents2002

Issued Patents All Time

Showing 1–25 of 145 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6414185 Aluminum salts of phosphinic acids 2002-07-02
6365071 Synergistic flame protection agent combination for thermoplastic polymers Elke Jenewein, Wolfgang Wanzke, Winfried Budzinsky 2002-04-02
6303674 Aluminium salts of alkylhydroxymethylphosphinic acids 2001-10-16
6270560 Flameproof polymer moulding material Winfried Budzinsky 2001-08-07
6229044 Alkyl-1-alkoxyethylphosphinous acid aluminum salts Elke Jenewein, Wolfgang Wanzke 2001-05-08
6211402 Phosphinic acid aluminum salts 2001-04-03
6194605 Process for preparing aluminum salts of dialkylphosphinic acids and diphosphinic acids 2001-02-27
6191063 Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compounds Sandra Bogdanovic, Carl D. Frohning, Helmut Bahrmann, Matthias Beller, Steffen Haber 2001-02-20 $10,852,000
6184405 Process for preparing aluminum salts of organic phosphoric acids Thomas Seitz 2001-02-06
6160180 Tertiary phosphanes containing alkylene glycol groups Steffen Haber, Sandra Bogdanovic, Helmut Bahrmann, Carl D. Frohning 2000-12-12
6114340 Fungicidal compositions Martin Mach, Heinz Hagemeister, Dieter Regnat, Herbert Buschhaus, Hans-Peter Jende +2 more 2000-09-05
6087423 1-hydroxydihydrophosphole oxides and 1-hydroxy-phospholane oxides, preparation thereof and use thereof as flame retardants Winfried Budzinsky, Gunther Kirsch 2000-07-11
6077968 Process for the preparation of alkyl arylphosphinites 2000-06-20 $11,778,000
6063850 Flame-retardant thermoplastic molding compositions comprising aluminum hydroxide 2000-05-16
6013706 Process for the preparation of hyrolysis-stable trivalent phosphorus compounds and their use as stabilizers for thermoplastics Dieter Regnat, Gerhard Pfahler 2000-01-11
6013707 Flameproofed polyester molding compositions Winfried Budzinsky, Gunther Kirsch 2000-01-11
5972825 Substituted diphenyldiphosphines and a process for their preparation Dieter Regnat, Helmut Bahrmann 1999-10-26
5959043 Phosphorus-containing dicarboxylic reaction product of epoxy resins and phosphorus acid (anhydride) with hardener Sebastian Hörold 1999-09-28
5900469 Storage-stable, phosphorus-modified epoxy resins Sebastian Hörold, Guido Scholz 1999-05-04
5891226 Salts of phosphonous acids and use thereof as flame retardants in plastics Winfried Budzinsky, Gunther Kirsch 1999-04-06
5880247 Phosphorus-containing dicarboxylic acid (anhydride)-modified epoxy resin Sebastian Hörold 1999-03-09 $981,000
5874642 Bis ethers containing a 2,2'-biaryl radical and a process for their preparation Dieter Regnat, Helmut Bahrmann 1999-02-23 $792,000
5869722 Process for producing aluminum phosphinates 1999-02-09
5847184 Process for preparing phosphorus-containing dicarboxylic acids 1998-12-08 $806,000
5811188 Phosphorus-modified epoxy resins, processes for their preparation and their use Jürgen Huber, Heinrich Kapitza, Wolfgang Rogler 1998-09-22