Inventor · disambiguated record
Werner Pieper
Also filed as: PIEPER WERNER
18 granted patents·71 citations·filing 1981–2012
92Inventor score
Top patents by PatentIndex Score
18 records- 0179US4504021ARibbon free wound yarn package and method and apparatus for producing the sameBARMAG BARMER MASCHF·Filed 1983·Granted Mar 12, 1985·25 cites·6 claims
- 0273US4507249AProcess for making derivatives of vinylphosphonic acid or vinylpyrophosphonic acidHOECHST AG·Filed 1983·Granted Mar 26, 1985·9 cites·14 claims
- 0371US8333832B2Pigment preparation and ink jet printing inkMAENNIG JOERG·Filed 2008·Granted Dec 18, 2012·8 cites·46 claims
- 0467US4486357AProcess for making vinylphosphonic acid or vinylpyrophosphonic acidHOECHST AG·Filed 1984·Granted Dec 4, 1984·7 cites·13 claims
- 0557US8608843B2Pigment preparation and ink jet printing inkECKART GMBH·Filed 2012·Granted Dec 17, 2013·0 cites·49 claims
- 0653US4529559AProcess for making derivatives of vinylphosphonic acid or vinylpyrophosphonic acidHOECHST AG·Filed 1984·Granted Jul 16, 1985·3 cites·8 claims
- 0750US4587334AProcess for making cyanuric acidHOECHST AG·Filed 1985·Granted May 6, 1986·3 cites·2 claims
- 0845US4473509AProcess for making phosphonic anhydridesHOECHST AG·Filed 1982·Granted Sep 25, 1984·2 cites·8 claims
- 0943US4468355AProcess for making 1-hydroxy-alkane-1-phosphonic acidsHOECHST AG·Filed 1983·Granted Aug 28, 1984·1 cites·6 claims
- 1038US4692282APhenyltetraline-diphosphonic acids and process for making themHOECHST AG·Filed 1986·Granted Sep 8, 1987·1 cites·5 claims
- 1138US4645835AProcess for making chloroisocyanuric acidsHOECHST AG·Filed 1985·Granted Feb 24, 1987·1 cites·3 claims
- 1238US4525333AProcess for separating gallium and indium from aqueous solutionsHOECHST AG·Filed 1983·Granted Jun 25, 1985·3 cites·10 claims
- 1336US4347989ASpinning machine for synthetic threadsBARMAG BARMER MASCHF·Filed 1981·Granted Sep 7, 1982·6 cites·8 claims
- 1435US4735748AProcess for making phosphonic acid dichloridesHOECHST AG·Filed 1986·Granted Apr 5, 1988·1 cites·6 claims
- 1532US4692281ACarboxytetralinephosphonic acids and process for making themHOECHST AG·Filed 1986·Granted Sep 8, 1987·0 cites·3 claims
- 1630US4427603AProcess for making phosphonic acid ester chloridesHOECHST AG·Filed 1982·Granted Jan 24, 1984·0 cites·7 claims
- 1721US5122359AProcess for reprocessing sulfuric acid from phosphorous purificationHOECHST AG·Filed 1990·Granted Jun 16, 1992·1 cites·4 claims
- 1819US5213717AApparatus for fumigating waste watersHOECHST AG·Filed 1992·Granted May 25, 1993·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →