Inventor · disambiguated record
Johannes Perner
Also filed as: DIESSEL PAUL · FIKENTSCHER ROLF · HELFERT HERBERT · PERNER JOHANNES
45 granted patents·1 pending application·876 citations·filing 1975–2002
98Inventor score
Top patents by PatentIndex Score
46 records- 0196US4816553APolyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of sameBASF AG·Filed 1988·Granted Mar 28, 1989·88 cites·7 claims
- 0284US5656646AMixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their useBASF AG·Filed 1993·Granted Aug 12, 1997·51 cites·13 claims
- 0384US4621127APreparation of carboxyl-containing polymersBASF AG·Filed 1985·Granted Nov 4, 1986·36 cites·14 claims
- 0483US5658993AWater-soluble or water-dispersible graft copolymers, the preparation thereof and the use thereofBASF AG·Filed 1996·Granted Aug 19, 1997·45 cites·9 claims
- 0583US4280919ADetergents and cleansers containing oxyalkylated alcohols as biodegradable, low-foam surfactantsBASF AG·Filed 1980·Granted Jul 28, 1981·44 cites·5 claims
- 0682US5374681APolyacetals based on divinyl ethers, dihydroxy compounds and monohydroxy compoundsBASF AG·Filed 1994·Granted Dec 20, 1994·36 cites·4 claims
- 0781US6846882B2Method for modifying acid group containing polymersBASF AG·Filed 2001·Granted Jan 25, 2005·22 cites·15 claims
- 0881US6384111B1Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materialsBASF AG·Filed 1996·Granted May 7, 2002·38 cites·29 claims
- 0981US4588531APreparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acidsBASF AG·Filed 1984·Granted May 13, 1986·13 cites·5 claims
- 1080US6756471B1Process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chainsBASF AG·Filed 2000·Granted Jun 29, 2004·17 cites·19 claims
- 1180US6545067B1Additives for mineral building materials containing cementBASF AG·Filed 1999·Granted Apr 8, 2003·35 cites·12 claims
- 1280US3981987AHair setting compositions containing easily removable neutralized copolymersBASF AG·Filed 1975·Granted Sep 21, 1976·36 cites·10 claims
- 1379US5008032AUse of partially esterified copolymers in liquid detergentsBASF AG·Filed 1989·Granted Apr 16, 1991·42 cites·13 claims
- 1478US4647396ACopolymers for detergents and cleaning agentsBASF AG·Filed 1985·Granted Mar 3, 1987·43 cites·6 claims
- 1572US4444561ACopolymers which contain basic groups and are used as antiredeposition agents in washing and after-treating textile goods containing synthetic fibersBASF AG·Filed 1983·Granted Apr 24, 1984·29 cites·2 claims
- 1672US4207199ASolid cold bleach activators for detergents and cleaning agents containing an active oxygen donorBASF AG·Filed 1978·Granted Jun 10, 1980·26 cites·3 claims
- 1769US5330675AUse of polyacetals based on vinyl ethers and dihydroxy compounds in detergents and cleaners and polyacetalsBASF AG·Filed 1992·Granted Jul 19, 1994·23 cites·8 claims
- 1868US5009805ALiquid detergent with copolymer additiveBASF AG·Filed 1989·Granted Apr 23, 1991·28 cites·7 claims
- 1966US4695412APreparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal saltsBASF AG·Filed 1986·Granted Sep 22, 1987·8 cites·9 claims
- 2064US4695397AGranular bleaching activatorBASF AG·Filed 1986·Granted Sep 22, 1987·26 cites·2 claims
- 2162US5576407ACopolymers of hydroxyalkyl vinyl ethers for use in detergents and cleaning agentsBASF AG·Filed 1992·Granted Nov 19, 1996·21 cites·7 claims
- 2259US6855762B1Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycolsBASF AG·Filed 2000·Granted Feb 15, 2005·4 cites·10 claims
- 2356US5830844ADye transfer inhibitors for detergentsBASF AG·Filed 1995·Granted Nov 3, 1998·15 cites·8 claims
- 2455US5536884AMixture of at least two alkoxylated alcohols and use thereof as a foam-suppressing surfactant additament in cleaning compositions for mechanized cleaning processesBASF AG·Filed 1992·Granted Jul 16, 1996·17 cites·13 claims
- 2555US4956421APreparation of oxyalkylated, carboxyl-containing polymersBASF AG·Filed 1989·Granted Sep 11, 1990·9 cites·9 claims
- 2655US4239641AUse of polyhydric alcohols, carboxylic acids, hydroxy-carboxylic acids and/or their esters with polyhydric alcohols as viscosity regulatorsBASF AG·Filed 1979·Granted Dec 16, 1980·14 cites·6 claims
- 2753US4939246APurification of long-chain alkylglucosidesBASF AG·Filed 1989·Granted Jul 3, 1990·7 cites·9 claims
- 2853US4239552AMachine dishwashing, using polyhydric alcohols, carboxylic acids and or esters of these as rinsing agentsBASF AG·Filed 1979·Granted Dec 16, 1980·13 cites·7 claims
- 2948US4267068AStorage-stable, pourable silicate suspensionsBASF AG·Filed 1979·Granted May 12, 1981·6 cites·4 claims
- 3047US5025103AGlycerol aminocarboxylates and preparation and use thereofBASF AG·Filed 1990·Granted Jun 18, 1991·3 cites·7 claims
- 3147US4705649APreparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal saltsBASF AG·Filed 1986·Granted Nov 10, 1987·3 cites·10 claims
- 3246US4271031AColor stabilized nonionic surfactants and alkaline cleanser formulations containing these surfactantsOPPENLAENDER KNUT·Filed 1980·Granted Jun 2, 1981·10 cites·2 claims
- 3345US4200733AIodine-containing block copolymers of 1,4-butylene oxide and ethylene oxideBASF AG·Filed 1979·Granted Apr 29, 1980·9 cites·3 claims
- 3444US5206443AAlkanediol bisacetalsBASF AG·Filed 1992·Granted Apr 27, 1993·9 cites·5 claims
- 3543US5952438APolymeric polyamines from alternating polyketonesBASF AG·Filed 1997·Granted Sep 14, 1999·8 cites·5 claims
- 3643US5143840ASubstantially purified proteolytic enzyme from bacillus spec. usni 4828 method of making and using itBASF AG·Filed 1989·Granted Sep 1, 1992·3 cites·3 claims
- 3743US4206074AExtremely low-foaming surfactant systemBASF AG·Filed 1978·Granted Jun 3, 1980·8 cites·1 claims
- 3842US5766612AUse of endgroup-capped fatty amide alkoxylatesBASF AG·Filed 1994·Granted Jun 16, 1998·9 cites·10 claims
- 3942US2002132946A1Use of polymers containing carboxyl groups and polyalkylene ether side chains as additives in mineral building materialsBASF AG·Filed 2002·Application pending·0 cites
- 4041US4260724APreparation of polymaleic acids from maleic anhydride in the presence of acetic anhydride and of hydrogen peroxideBASF AG·Filed 1979·Granted Apr 7, 1981·7 cites·8 claims
- 4140US5520834APolyacetals containing acetaldehyde acetal units, preparation thereof and use thereof in detergents and cleanersBASF AG·Filed 1993·Granted May 28, 1996·3 cites·6 claims
- 4240US4693848APreparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acidsBASF AG·Filed 1986·Granted Sep 15, 1987·1 cites·6 claims
- 4339US4151127AProcess for suppressing the foaming of detergentsBASF AG·Filed 1978·Granted Apr 24, 1979·6 cites·2 claims
- 4436US6921746B2Multifunctional polymers, method for the production and use thereofBASF AG·Filed 2001·Granted Jul 26, 2005·0 cites·20 claims
- 4536US5286401AUse of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agentsBASF AG·Filed 1990·Granted Feb 15, 1994·5 cites·5 claims
- 4629US4952332ADetergents that contain acyl derivatives of dihydroxydioxane as bleach activatorsBASF AG·Filed 1989·Granted Aug 28, 1990·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →