Inventor · disambiguated record
Wolfgang Alewelt
Also filed as: ALEWELT WOLFGANG
38 granted patents·902 citations·filing 1975–2002
98Inventor score
Top patents by PatentIndex Score
38 records- 0199US5340905AProcess for the preparation of thermoplastic polycarbonatesBAYER AG·Filed 1994·Granted Aug 23, 1994·242 cites·4 claims
- 0295US5399659ATwo-stage process for the production of thermoplastic polycarbonateBAYER AG·Filed 1994·Granted Mar 21, 1995·78 cites·7 claims
- 0394US4016190AProcess for the preparation of diarylcarbonatesBAYER AG·Filed 1976·Granted Apr 5, 1977·36 cites·13 claims
- 0493US6613869B1Containers made of a branched polycarbonateBAYER AG·Filed 2000·Granted Sep 2, 2003·51 cites·15 claims
- 0593US4147707AGlass fiber-reinforced polycarbonates with improved mechanical properties containing 0.5 to 5.0% of organopolysiloxaneBAYER AG·Filed 1976·Granted Apr 3, 1979·51 cites·2 claims
- 0691US5384389AProcess for the production of polycarbonatesBAYER AG·Filed 1993·Granted Jan 24, 1995·53 cites·6 claims
- 0790US5235026AContinuous production of polycarbonatesBAYER AG·Filed 1992·Granted Aug 10, 1993·53 cites·2 claims
- 0887US6548691B2Process for producing carbonic acid diaryl esterBAYER AG·Filed 2001·Granted Apr 15, 2003·17 cites·6 claims
- 0985US6680400B2Continuous process for the production of carboxylic acid diaryl estersBAYER AG·Filed 2001·Granted Jan 20, 2004·16 cites·5 claims
- 1084US4753994AFlame retardant polycarbonate compositionsMOBAY CORP·Filed 1986·Granted Jun 28, 1988·35 cites·10 claims
- 1183US4734484AProcess for the isolation of polyarylene sulphide from salts contained thereinBAYER AG·Filed 1986·Granted Mar 29, 1988·31 cites·1 claims
- 1282US5030703ALiquid crystal polycondensates with improved heat stability, a process for their preparation and their use for the production of shaped articles, films, fibres and filamentsBAYER AG·Filed 1989·Granted Jul 9, 1991·28 cites·4 claims
- 1375US4465821AProcess for the continuous production of polyamidesBAYER AG·Filed 1983·Granted Aug 14, 1984·22 cites·5 claims
- 1472US5373082AProcess for the production of thermoplastic polycarbonatesBAYER AG·Filed 1993·Granted Dec 13, 1994·19 cites·5 claims
- 1571US5418316AGuanidine-derived catalyts for preparing polycarbonates by transesterificationBAYER AG·Filed 1994·Granted May 23, 1995·18 cites·3 claims
- 1668US3978157AThermoplastic compositions comprising aromatic polycarbonate urethanesBAYER AG·Filed 1975·Granted Aug 31, 1976·19 cites·4 claims
- 1767US5317083AProcess for isolating polycarbonates from their solutions with tube having cross sectional contrictionsBAYER AG·Filed 1993·Granted May 31, 1994·14 cites·6 claims
- 1867US4762910AProcess for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamineBAYER AG·Filed 1986·Granted Aug 9, 1988·15 cites·6 claims
- 1965US5066776AProcess for the manufacture of polyarylene sulphidesBAYER AG·Filed 1990·Granted Nov 19, 1991·15 cites·5 claims
- 2060US6734278B2Production of polyester carbonatesBAYER AG·Filed 2002·Granted May 11, 2004·4 cites·40 claims
- 2154US4771120APolyarylene sulphide capped with monophenol compoundBAYER AG·Filed 1987·Granted Sep 13, 1988·10 cites·5 claims
- 2253US5444148AImproved transesterification process for the production of polycarbonatesBAYER AG·Filed 1993·Granted Aug 22, 1995·10 cites·7 claims
- 2353US5037952AProcess for the production of high molecular weight, optionally branched polyarylene sulfidesBAYER AG·Filed 1989·Granted Aug 6, 1991·9 cites·12 claims
- 2453US4639507AProcess for the isolation of polyarylene sulphideBAYER AG·Filed 1985·Granted Jan 27, 1987·8 cites·2 claims
- 2552US4873326AProcess for the preparation of N-alkylated caprolactamsBAYER AG·Filed 1988·Granted Oct 10, 1989·3 cites·3 claims
- 2650US5191001AProcess for the production of solventless polycarbonateBAYER AG·Filed 1991·Granted Mar 2, 1993·8 cites·11 claims
- 2746US4966958AProcess for the preparation of aromatic polyestersBAYER AG·Filed 1989·Granted Oct 30, 1990·5 cites·6 claims
- 2846US4661584APreparation of polyarylene sulphide in presence of amino carboxylic acidBAYER AG·Filed 1985·Granted Apr 28, 1987·6 cites·12 claims
- 2946US4346210AProcess for the preparation of polycarbonates catalyzed by cyclic aza compoundsBAYER AG·Filed 1979·Granted Aug 24, 1982·5 cites·5 claims
- 3044US5247063AProcess for the purification of polyarylene sulphidesBAYER AG·Filed 1992·Granted Sep 21, 1993·5 cites·1 claims
- 3143US5314985AMolten, catalytic process for the preparation of polycarbonatesBAYER AG·Filed 1993·Granted May 24, 1994·4 cites·10 claims
- 3241US4895930AProcess for isolating polyarylene sulphidesBAYER AG·Filed 1988·Granted Jan 23, 1990·4 cites·1 claims
- 3339US6716933B2Working up of polymer synthesis solutionsBAYER AG·Filed 2002·Granted Apr 6, 2004·0 cites·11 claims
- 3438US4732967APolyarylene sulphide having high melt viscosityBAYER AG·Filed 1986·Granted Mar 22, 1988·3 cites·2 claims
- 3536US6646099B2Production and use of polyester carbonatesBAYER AG·Filed 2002·Granted Nov 11, 2003·0 cites·12 claims
- 3635US5306805AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1992·Granted Apr 26, 1994·2 cites·12 claims
- 3735US4920201AIsolation of purified solid polyarylene sulfide directly from polymerization solutionBAYER AG·Filed 1988·Granted Apr 24, 1990·2 cites·4 claims
- 3827US4127561APolycarbonates and a process for their preparationBAYER AG·Filed 1978·Granted Nov 28, 1978·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →