Inventor · disambiguated record
Axel Walch
Also filed as: LAMMERS LUDWIG · WALCH AXEL
33 granted patents·2 pending applications·1,761 citations·filing 1975–2019
98Inventor score
Top patents by PatentIndex Score
35 records- 0196US5205287AUltrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agentsHOECHST AG·Filed 1992·Granted Apr 27, 1993·397 cites·3 claims
- 0295US5470843ACarbohydrate-containing polymers, their preparation and useHOECHST AG·Filed 1993·Granted Nov 28, 1995·177 cites·14 claims
- 0395US5137928AUltrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agentsHOECHST AG·Filed 1991·Granted Aug 11, 1992·262 cites·5 claims
- 0493US4720343AMacroporous asymmetrical hydrophilic membrane made of a synthetic polymerHOECHST AG·Filed 1982·Granted Jan 19, 1988·80 cites·6 claims
- 0592US5428112ACrosslinked, nitrogen-containing vinyl copolymers, processes for their preparation and the use of these compoundsHOECHST AG·Filed 1993·Granted Jun 27, 1995·67 cites·2 claims
- 0691US5430110APolyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliaryHOECHST AG·Filed 1993·Granted Jul 4, 1995·122 cites·4 claims
- 0791US5190982AUltrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agentsHOECHST AG·Filed 1992·Granted Mar 2, 1993·137 cites·1 claims
- 0891US4499211AOpen-cell/microporous molded articleHOECHST AG·Filed 1982·Granted Feb 12, 1985·66 cites·5 claims
- 0985US5700459APharmacological composition containing polyelectrolyte complexes in microparticulate form and at least one active agentHOECHST AG·Filed 1994·Granted Dec 23, 1997·60 cites·13 claims
- 1082US4229291APermselective membrane and useHOECHST AG·Filed 1978·Granted Oct 21, 1980·37 cites·9 claims
- 1181US4075093AProcess of separating citric acid and/or isocitric acid or their salts from aqueous solutionsBENCKISER GMBH JOH A·Filed 1975·Granted Feb 21, 1978·36 cites·15 claims
- 1280US5041291ABiodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled deivery of active ingredientHOECHST AG·Filed 1989·Granted Aug 20, 1991·57 cites·4 claims
- 1379US5009824AProcess for preparing an asymmetrical macroporous membrane polymerHOECHST AG·Filed 1989·Granted Apr 23, 1991·39 cites·12 claims
- 1477US4206050AMembrane unit and apparatus for removing metabolite contaminants from bloodHOECHST AG·Filed 1977·Granted Jun 3, 1980·30 cites·10 claims
- 1576US4183811AMembrane unit and device for cleansing bloodHOECHST AG·Filed 1977·Granted Jan 15, 1980·29 cites·33 claims
- 1667US4557955AShaped articles which are composed of a copolymer containing fluorine groups and which are selectively permeable to liquids and gases and are simultaneously oleophobic and oleophilicHOECHST AG·Filed 1982·Granted Dec 10, 1985·26 cites·35 claims
- 1765US9164098B2Determining an expression status of human epidermal growth factor receptor 2 (HER2) in a biological sampleALBERS CHRISTIAN·Filed 2010·Granted Oct 20, 2015·3 cites·21 claims
- 1857US6037467AMethods for preparing carbohydrate-containing hydrophilic polymersGLYCOREX AB·Filed 1997·Granted Mar 14, 2000·12 cites·23 claims
- 1957US4835248ABiologically degradable polyamide for depot preparations having controlled release of the active compoundHOECHST AG·Filed 1987·Granted May 30, 1989·24 cites·6 claims
- 2055US2022049317A1In-vitro method for diagnosis and prognosis of a diseaseHELMHOLTZ ZENTRUM MUENCHEN DEUTSCHES FORSCHUNGSZENTRUM GESUNDHEIT & UMWELT GMBH·Filed 2019·Application pending·0 cites
- 2153US4524155AOpen-cell/microporous molded articleHOECHST AG·Filed 1984·Granted Jun 18, 1985·6 cites·22 claims
- 2252US5674531ANanoparticles containing an active substance and a ketalized polytartramidic acid, process for their preparation, and use thereofHOECHST AG·Filed 1995·Granted Oct 7, 1997·21 cites·11 claims
- 2351US5391696APolycondensates which contain tartaric acid derivatives, processes for their preparation and use thereofHOECHST AG·Filed 1992·Granted Feb 21, 1995·12 cites·14 claims
- 2448US5100673AMicroencapsulation of biologically active materialHOECHST AG·Filed 1990·Granted Mar 31, 1992·16 cites·19 claims
- 2547US4906473ABiodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled delivery of active ingredientHOECHST AG·Filed 1987·Granted Mar 6, 1990·11 cites·4 claims
- 2646US2009289184A1Method for the analysis of tissue sectionsDEININGER SOREN-OLIVER·Filed 2009·Application pending·0 cites
- 2745US5106740AImmobilization of an isethiacyanate of a cofactor on a polymerHOECHST AG·Filed 1990·Granted Apr 21, 1992·10 cites·9 claims
- 2844US4354938AHemodialysis membrane and process and apparatus for using same in hemodialysisHOECHST AG·Filed 1978·Granted Oct 19, 1982·9 cites·12 claims
- 2943US5229469ABiologically degradable polyamino dicarboxylic acid--CO--anhydro amino dicarboxylic acid derivativeHOECHST AG·Filed 1991·Granted Jul 20, 1993·8 cites·3 claims
- 3040US5714138APolyaspartamide derivatives as adsorbents for bile acids, polyaspartamide derivatives loaded with bile acids and process for their preparation and their use as pharmaceuticalsHOECHST AG·Filed 1993·Granted Feb 3, 1998·3 cites·11 claims
- 3135US5631326ACrosslinked nitrogen-containing vinyl copolymers processes for their preparation and the use of these compoundsHOECHST AG·Filed 1995·Granted May 20, 1997·1 cites·2 claims
- 3233US5317065APoly amino dicarboxylic acid-co-anhydro amino dicarboxylic acid derivativeHOECHST AG·Filed 1993·Granted May 31, 1994·2 cites·3 claims
- 3332US6036948APolyaspartamide derivatives as adsordents for bile acids, polyaspartamide derivatives loaded with bile acids and process for their preparation and their use as pharmaceuticalsFiled 1997·Granted Mar 14, 2000·1 cites·7 claims
- 3430US5505784APolycondensates which contain tartaric acid derivatives, processes for their preparation and use thereofHOECHST AG·Filed 1995·Granted Apr 9, 1996·0 cites·27 claims
- 3529US5613494APolycondensates which contain tartaric acid derivatives, processes for their preparation and use thereofHOECHST AG·Filed 1995·Granted Mar 25, 1997·0 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →