Inventor · disambiguated record
Reinhard Gradl
Also filed as: GRADL REINHARD
33 granted patents·378 citations·filing 1980–1991
97Inventor score
Files withHOECHST AG33
Top patents by PatentIndex Score
33 records- 0189US4479924AProcess for the separation of heavy metal compounds from phosphoric acidHOECHST AG·Filed 1983·Granted Oct 30, 1984·31 cites·5 claims
- 0288US5183651AProcess for the preparation of crystalline sodium silicatesHOECHST AG·Filed 1990·Granted Feb 2, 1993·55 cites·3 claims
- 0388US5166452AProcess for inhibiting and destroying peroxides in dialkyl ethersHOECHST AG·Filed 1991·Granted Nov 24, 1992·30 cites·3 claims
- 0480US5124290AProcess for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditionsHOECHST AG·Filed 1991·Granted Jun 23, 1992·19 cites·12 claims
- 0580US4452768AProcess for removing heavy metal ions from wet-processed phosphoric acidHOECHST AG·Filed 1983·Granted Jun 5, 1984·24 cites·8 claims
- 0676US5066365AProcess for the isolation of vinyl acetate by distillationHOECHST AG·Filed 1990·Granted Nov 19, 1991·49 cites·6 claims
- 0772US4713229AProcess for purifying phosphoric acidHOECHST AG·Filed 1985·Granted Dec 15, 1987·15 cites·9 claims
- 0869US5165904AProcess for producing ammonium polyphosphateHOECHST AG·Filed 1991·Granted Nov 24, 1992·23 cites·14 claims
- 0968US5211930AProcess for the preparation of crystalline sodium silicates having a sheet structureHOECHST AG·Filed 1991·Granted May 18, 1993·22 cites·1 claims
- 1058US4556548AProcess for purifying wet-processed phosphoric acidHOECHST AG·Filed 1983·Granted Dec 3, 1985·12 cites·5 claims
- 1157US4466948AProcess for removing heavy metal ions and arsenic from wet-processed phosphoric acidHOECHST AG·Filed 1983·Granted Aug 21, 1984·7 cites·3 claims
- 1254US4762693AProcess for working up heavy metal-containing residues originally from the decontamination of crude phosphoric acidHOECHST AG·Filed 1987·Granted Aug 9, 1988·10 cites·3 claims
- 1354US4503016AProcess for extracting heavy metal ions from aqueous solutionsHOECHST AG·Filed 1984·Granted Mar 5, 1985·14 cites·6 claims
- 1453US4321245AProcess for the purification of wet-processed phosphoric acidHOECHST AG·Filed 1980·Granted Mar 23, 1982·9 cites·3 claims
- 1553US4313826ALiquid-liquid extraction apparatusHOECHST AG·Filed 1980·Granted Feb 2, 1982·8 cites·3 claims
- 1647US4629614AProcess for decontaminating phosphoric acidHOECHST AG·Filed 1985·Granted Dec 16, 1986·7 cites·6 claims
- 1746US4539192AProcess for removing fluorine and organic compounds from prepurified wet processed phosphoric acidHOECHST AG·Filed 1984·Granted Sep 3, 1985·6 cites·3 claims
- 1841US4678650AProcess for making an alkali phosphate solutionHOECHST AG·Filed 1985·Granted Jul 7, 1987·5 cites·3 claims
- 1940US4668492AProcess for dearsenifying phosphoric acid solutionsHOECHST AG·Filed 1985·Granted May 26, 1987·4 cites·10 claims
- 2039US4457848AProcess for after-treating extraction residues originating from the decontamination of phosphoric acidHOECHST AG·Filed 1982·Granted Jul 3, 1984·8 cites·5 claims
- 2138US4540557AProcess for reducing the fluorine content in wet-processed phosphoric acidHOECHST AG·Filed 1984·Granted Sep 10, 1985·3 cites·6 claims
- 2237US4444729AMultistage column for countercurrent extraction of liquidsHOECHST AG·Filed 1982·Granted Apr 24, 1984·6 cites·8 claims
- 2336US4279876AConversion of extraction residues originating from phosphoric acid decontamination to solid deposition productsHOECHST AG·Filed 1980·Granted Jul 21, 1981·5 cites·5 claims
- 2433US4705529AProcess for reducing the reactivity and improving the flow behavior of phosphorus pentoxideHOECHST AG·Filed 1986·Granted Nov 10, 1987·2 cites·5 claims
- 2533US4540558AProcess for removing organic contaminants from wet-processed phosphoric acidHOECHST AG·Filed 1984·Granted Sep 10, 1985·1 cites·4 claims
- 2631US4640824AProcess for making alkali metal phosphate solutions containing little fluorineHOECHST AG·Filed 1984·Granted Feb 3, 1987·1 cites·6 claims
- 2730US5124137AProcess for the preparation of alkali metal phosphate solutionsHOECHST AG·Filed 1991·Granted Jun 23, 1992·0 cites·8 claims
- 2830US4620966AProcess for defluorinating alkali metal phosphate solutionsHOECHST AG·Filed 1984·Granted Nov 4, 1986·1 cites·6 claims
- 2930US4460549ARecovery of uranium from wet-process phosphoric acidHOECHST AG·Filed 1981·Granted Jul 17, 1984·0 cites·5 claims
- 3029US4806324AProcess for making phosphoric acid free from titaniumHOECHST AG·Filed 1988·Granted Feb 21, 1989·0 cites·3 claims
- 3129US4780294AProcess for making crude phosphoric acidHOECHST AG·Filed 1987·Granted Oct 25, 1988·1 cites·3 claims
- 3229US4346066APurification of wet-process phosphoric acidHOECHST AG·Filed 1980·Granted Aug 24, 1982·0 cites·9 claims
- 3327US4683127AProcess for making wet-process phosphoric acidHOECHST AG·Filed 1986·Granted Jul 28, 1987·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →