Inventor · disambiguated record
Hans-Peter Baumann
Also filed as: BAUMANN HANS · BAUMANN HANS PETER
56 granted patents·1 pending application·400 citations·filing 1973–2004
98Inventor score
Top patents by PatentIndex Score
57 records- 0196US3971808ASpirodipyrans and chromogenic materials for copying processesBASF AG·Filed 1974·Granted Jul 27, 1976·41 cites·6 claims
- 0295US4229172ADisperse dyeing of polyester with benzalketo derivatives as carriers: benzalacetone, methyl cinnamate etc.SANDOZ LTD·Filed 1978·Granted Oct 21, 1980·56 cites·27 claims
- 0393US3985376ADye precursors for pressure-sensitive recording materialBASF AG·Filed 1975·Granted Oct 12, 1976·27 cites·6 claims
- 0487US4052374AUnsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compoundBASF AG·Filed 1975·Granted Oct 4, 1977·14 cites·6 claims
- 0582US4386037ASulphonic acids of tolyl ether sulphonesSANDOZ LTD·Filed 1981·Granted May 31, 1983·13 cites·8 claims
- 0680US5329006AChromogenic lactam compounds, their preparation and their useCIBA GEIGY CORP·Filed 1991·Granted Jul 12, 1994·21 cites·4 claims
- 0776US4110348A7,7'-Diamino derivatives of 2,2'-spirodibenzopyranesBASF AG·Filed 1977·Granted Aug 29, 1978·6 cites·8 claims
- 0875US5426192AChromogenic lactam compounds, their preparation and their useCIBA GEIGY CORP·Filed 1994·Granted Jun 20, 1995·12 cites·8 claims
- 0974US3971821AProduction of aminobenzaldehydesBASF AG·Filed 1974·Granted Jul 27, 1976·9 cites·7 claims
- 1071US4029677ASpirodipyrans useful as dye precursors for copying processesBASF AG·Filed 1975·Granted Jun 14, 1977·6 cites·10 claims
- 1170US4441884AQuaternary ammonium compounds and their use as dyeing assistants for polyamide fibersSANDOZ LTD·Filed 1978·Granted Apr 10, 1984·13 cites·17 claims
- 1269US3950419AAromatic carboxylic acid esters and amides as fixing agentsSANDOZ AG·Filed 1973·Granted Apr 13, 1976·14 cites·8 claims
- 1368US4475920AMethod for obtaining improved dyeings on polyamideSANDOZ LTD·Filed 1982·Granted Oct 9, 1984·12 cites·33 claims
- 1466US4957847AHeat-sensitive cyclic diazo compound containing recording material with benzotriazine compound and coupling componentCIBA GEIGY CORP·Filed 1988·Granted Sep 18, 1990·9 cites·10 claims
- 1562US4147509APressure-sensitive recording materialBASF AG·Filed 1978·Granted Apr 3, 1979·4 cites·11 claims
- 1661US4220449AQuaternated polyamine saltsSANDOZ AG·Filed 1977·Granted Sep 2, 1980·5 cites·10 claims
- 1760US4264494AChromium complex dyestuffs for natural polyamides and synthetic nylonsBASF AG·Filed 1978·Granted Apr 28, 1981·5 cites·9 claims
- 1859US4424153A1:2 Chromium complex dyes containing sulfonic acid groupsBASF AG·Filed 1981·Granted Jan 3, 1984·5 cites·3 claims
- 1957US4489002AAzo compound and an azomethine compound and having a tertiary N-dative bondBASF AG·Filed 1982·Granted Dec 18, 1984·5 cites·4 claims
- 2055US5207802ASulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leatherSANDOZ LTD·Filed 1990·Granted May 4, 1993·9 cites·37 claims
- 2154US4297296AQuaternized polyaminesSANDOZ LTD·Filed 1979·Granted Oct 27, 1981·3 cites·8 claims
- 2253US4560744AAzo dye 2:1-chromium complexesBASF AG·Filed 1981·Granted Dec 24, 1985·4 cites·2 claims
- 2351US5362872AChromogenic lactamsCIBA GEIGY CORP·Filed 1993·Granted Nov 8, 1994·4 cites·13 claims
- 2450US5621148ACondensates and their use as oxyalkylation adjuvantsSANDOZ LTD·Filed 1995·Granted Apr 15, 1997·3 cites·6 claims
- 2550US4212801AUnsymmetrical 1:2-chromium complexes containing an azo and an azomethine bondBASF AG·Filed 1977·Granted Jul 15, 1980·3 cites·5 claims
- 2650US4102879AUnsymmetrical azomethine 1:2-chromium complex dyesBASF AG·Filed 1975·Granted Jul 25, 1978·3 cites·6 claims
- 2750US4060387AAromatic carboxylic acid esters and amides as fixing agentsSANDOZ LTD·Filed 1975·Granted Nov 29, 1977·4 cites·15 claims
- 2850US2004219333A1Imitation wood component and method of producing the imitation wood componentTRW AUTOMOTIVE SAFETY SYS GMBH·Filed 2004·Application pending·0 cites
- 2949US4511506AReactive bis-triazinyl stilbene dyesBASF AG·Filed 1979·Granted Apr 16, 1985·3 cites·4 claims
- 3048US5470355AOrganic compoundsSANDOZ LTD·Filed 1994·Granted Nov 28, 1995·3 cites·6 claims
- 3147US4516979APolybenzoates as disperse dyeing assistantsSANDOZ LTD·Filed 1982·Granted May 14, 1985·5 cites·20 claims
- 3246US4544738AReactive pyrazole group containing monoazo dyeBASF AG·Filed 1980·Granted Oct 1, 1985·3 cites·4 claims
- 3346US4184843AComposition for dyeing hair containing disperse dyes and a thickening agentDANIELSON CARL VIKTOR·Filed 1977·Granted Jan 22, 1980·7 cites·8 claims
- 3445US4657957ABinding agent aqueous dispersions having improved coagulation propertiesSANDOZ LTD·Filed 1986·Granted Apr 14, 1987·13 cites·18 claims
- 3544US4537955AUnsymmetrical 1:2 chromium complex of a monoazo dyestuff and a disazo dyestuff which is non-fiber reactive and contains no sulfonamido or amino groupsBASF AG·Filed 1983·Granted Aug 27, 1985·2 cites·2 claims
- 3642US4464180ACompositions and method for dyeing or printing with disperse dyesSANDOZ LTD·Filed 1982·Granted Aug 7, 1984·4 cites·25 claims
- 3742US4161589ASpirodipyransBASF AG·Filed 1978·Granted Jul 17, 1979·6 cites·7 claims
- 3841US4649982ALift-safety for venetian blindsBAUMANN ROLLADEN·Filed 1984·Granted Mar 17, 1987·13 cites·8 claims
- 3941US4119622APyrazolonylazoaniline or aminonaphtyl compounds for copying processesBASF AG·Filed 1976·Granted Oct 10, 1978·6 cites·10 claims
- 4040US4431584ATriazinyl reactive dyes containing a 1-naphtol-4,8-disulfonic acid componentBASF AG·Filed 1979·Granted Feb 14, 1984·1 cites·1 claims
- 4138US5405980ACondensates and their use as oxyalkylation adjuvantsSANDOZ LTD·Filed 1993·Granted Apr 11, 1995·2 cites·15 claims
- 4238US4316027A7,7'-Diamino derivatives of 2,2'-spirodibenzopyranesBASF AG·Filed 1978·Granted Feb 16, 1982·0 cites·6 claims
- 4337US5942010ADyeing process and auxiliaryCLARIANT FINANCE BVI LTD·Filed 1998·Granted Aug 24, 1999·3 cites·7 claims
- 4436US5252104AProducts of reacting an alkylene oxide with a condensate of formaldehyde, an alkylphenol and an amineSANDOZ LTD·Filed 1991·Granted Oct 12, 1993·2 cites·47 claims
- 4536US5250079AProcess for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their productionSANDOZ LTD·Filed 1992·Granted Oct 5, 1993·2 cites·35 claims
- 4636US4345073A7,7'-Diamino derivatives of 2,2'-spirodibenzopyranesBASF AG·Filed 1981·Granted Aug 17, 1982·0 cites·6 claims
- 4735US4588448AProcess for sealing anodically oxidized aluminium or aluminium alloy surfacesSANDOZ LTD·Filed 1984·Granted May 13, 1986·5 cites·23 claims
- 4835US4280955ASulfo, chloro phenolazoacetoacetylbenzamide dyesBASF AG·Filed 1979·Granted Jul 28, 1981·0 cites·1 claims
- 4934US5554199ADyeing process and auxiliarySANDOZ LTD·Filed 1994·Granted Sep 10, 1996·2 cites·10 claims
- 5034US4335259AQuaternized polyaminesSANDOZ LTD·Filed 1981·Granted Jun 15, 1982·1 cites·11 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hans-Peter Baumann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →