Inventor · disambiguated record
Ludwig Bottenbruch
Also filed as: BOTTENBRUCH LUDWIG · MEYER KARL-HEINRICH
96 granted patents·1,788 citations·filing 1973–1992
99Inventor score
Top patents by PatentIndex Score
96 records- 0198US4334053AProcess for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatingsBAYER AG·Filed 1980·Granted Jun 8, 1982·118 cites·9 claims
- 0296US4331614AAromatic polyphosphonates and a process for their productionBAYER AG·Filed 1980·Granted May 25, 1982·76 cites·2 claims
- 0395US4415719AThermoplastic, branched aromatic polyphosphonates, and a process for their productionBAYER AG·Filed 1981·Granted Nov 15, 1983·66 cites·9 claims
- 0495US4374971AProcess for the preparation of thermoplastic aromatic polyphosphonates with improved thermal ageing resistanceBAYER AG·Filed 1980·Granted Feb 22, 1983·71 cites·7 claims
- 0595US4328174AAromatic polyester phosphonatesBAYER AG·Filed 1980·Granted May 4, 1982·86 cites·5 claims
- 0695US4025492AThermoplastic copolyesters and a process for their productionBAYER AG·Filed 1975·Granted May 24, 1977·78 cites·3 claims
- 0792US4999420APolymerization of cyclic aromatic oligomers with low temperature aprotic organic solventBAYER AG·Filed 1989·Granted Mar 12, 1991·50 cites·2 claims
- 0891US4882381AMoulding compounds of aromatic polyesters and grafted silicone rubberBAYER AG·Filed 1988·Granted Nov 21, 1989·55 cites·10 claims
- 0991US4762905AAromatic thermoplastic polyphosphonatocarbonateBAYER AG·Filed 1985·Granted Aug 9, 1988·40 cites·5 claims
- 1091US4322520AAromatic thermoplastic polyphosphonatocarbonateBAYER AG·Filed 1980·Granted Mar 30, 1982·43 cites·4 claims
- 1191US3994949AProduction of aromatic cyanic acid estersBAYER AG·Filed 1975·Granted Nov 30, 1976·27 cites·9 claims
- 1289US4649168AProcess for the preparation of flame-resistant polycarbonate moulding compositions containing tetrafluoroethylene polymersBAYER AG·Filed 1985·Granted Mar 10, 1987·50 cites·10 claims
- 1389US4387251AProcess for the preparation of pure 4,4'-dihydroxyphenyl alkanes or 4,4'-dihydroxydiphenyl cycloalkanesBAYER AG·Filed 1981·Granted Jun 7, 1983·28 cites·4 claims
- 1489US4086310AProcess for manufacturing thin, non-porous gas permeable polycarbonate filmsBAYER AG·Filed 1976·Granted Apr 25, 1978·39 cites·4 claims
- 1588US4663424AAromatic polyester with dimethylmaleimide end groupsBAYER AG·Filed 1985·Granted May 5, 1987·40 cites·14 claims
- 1688US4401802AProcess for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-ageing resistance, and their useBAYER AG·Filed 1981·Granted Aug 30, 1983·34 cites·7 claims
- 1787US4617368AProcess for the production of colorless aromatic polyester and polyester carbonatesBAYER AG·Filed 1984·Granted Oct 14, 1986·35 cites·7 claims
- 1886US4508890AProcess for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-aging resistance, and their useBAYER AG·Filed 1983·Granted Apr 2, 1985·31 cites·2 claims
- 1985US4668737AGraft polymers having a mat surfaceBAYER AG·Filed 1985·Granted May 26, 1987·38 cites·9 claims
- 2085US4652614AMat moulding materialsBAYER AG·Filed 1985·Granted Mar 24, 1987·39 cites·13 claims
- 2185US4481350AProcess for the preparation of thermoplastic aromatic polyphosphonates containing small proportions of carbonate structures and product thereofBAYER AG·Filed 1984·Granted Nov 6, 1984·34 cites·10 claims
- 2284US3960815ABranched aromatic polyaryl-ether sulphonesBAYER AG·Filed 1974·Granted Jun 1, 1976·28 cites·6 claims
- 2383US4801677AThermotropic aromatic polyester with high thermal stabilityBAYER AG·Filed 1987·Granted Jan 31, 1989·30 cites·7 claims
- 2480US4912193AThermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4'-dihydroxy diphenyl, terephthalic acid, and isophthalic acidBAYER AG·Filed 1988·Granted Mar 27, 1990·24 cites·6 claims
- 2578US4564669AThermotropic aromatic polyesters having a high tenacity and an improved melt viscosity, and mouldings, filaments, fibres and films thereofBAYER AG·Filed 1984·Granted Jan 14, 1986·26 cites·4 claims
- 2678US3960968AMethod for the continuous production of aqueous dialkali salt solutions of aromatic dihydroxy compoundsBAYER AG·Filed 1974·Granted Jun 1, 1976·11 cites·12 claims
- 2777US4036748AAsymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)BAYER AG·Filed 1975·Granted Jul 19, 1977·21 cites·6 claims
- 2875US4413072AMixtures of polyurethanes and unsaturated polyester resinsBAYER AG·Filed 1981·Granted Nov 1, 1983·24 cites·1 claims
- 2972US4996373AProcess for producing dihydroxydiarylalkanesBAYER AG·Filed 1989·Granted Feb 26, 1991·13 cites·17 claims
- 3071US5153291ATrialkylsilyloxy-1,1-diphenyl ethylenes and polymers produced therewithBAYER AG·Filed 1990·Granted Oct 6, 1992·19 cites·6 claims
- 3168US4331573AAqueous dispersions of urethane-modified polyesters, a process for their production and their use for the production of lacquersBAYER AG·Filed 1980·Granted May 25, 1982·18 cites·8 claims
- 3268US3978157AThermoplastic compositions comprising aromatic polycarbonate urethanesBAYER AG·Filed 1975·Granted Aug 31, 1976·19 cites·4 claims
- 3367US4762910AProcess for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamineBAYER AG·Filed 1986·Granted Aug 9, 1988·15 cites·6 claims
- 3467US4673728AProcess for the production of copolyamide from aromatic dicarboxylic acids, adipic acid and hexamethylene diamineBAYER AG·Filed 1986·Granted Jun 16, 1987·15 cites·5 claims
- 3567US4600764AThermotropic aromatic polyesters with good rigidity and toughness, process for the production thereof and the use thereof for the production of mouldings, filaments fibres and filmsBAYER AG·Filed 1985·Granted Jul 15, 1986·15 cites·6 claims
- 3667US4100224AStable organic dispersions which can be cured with little shrinkage, based on unsaturated polyester resins and thermoplastic polymersBAYER AG·Filed 1976·Granted Jul 11, 1978·18 cites·5 claims
- 3766US4937276AGlass-fiber-reinforced stabilized polyamide molding compositionsBAYER AG·Filed 1988·Granted Jun 26, 1990·15 cites·9 claims
- 3866US3940367APreparation of high molecular polyesters of 1,4-butanediolBAYER AG·Filed 1974·Granted Feb 24, 1976·11 cites·7 claims
- 3965US4237244AMolding composition based on unsaturated polyestersBAYER AG·Filed 1979·Granted Dec 2, 1980·12 cites·6 claims
- 4063US4382898AProcess for the production of aromatic carboxylic acid chloridesBAYER AG·Filed 1981·Granted May 10, 1983·6 cites·3 claims
- 4163US4362864AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1981·Granted Dec 7, 1982·15 cites·8 claims
- 4262US4719284AMultistage process for the preparation of poly(tetramethylene-adipamide)BAYER AG·Filed 1986·Granted Jan 12, 1988·12 cites·10 claims
- 4360US4424339AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1982·Granted Jan 3, 1984·13 cites·5 claims
- 4459US4473686ABlock copolymersBAYER AG·Filed 1983·Granted Sep 25, 1984·16 cites·5 claims
- 4558US5057264ARapidly crystallizing polyphenylene sulphide compositionsBAYER AG·Filed 1989·Granted Oct 15, 1991·14 cites·4 claims
- 4658US4600753ATwo stage process for the production of aromatic polyester-carbonateBAYER AG·Filed 1984·Granted Jul 15, 1986·12 cites·7 claims
- 4758US4079024AFree-flowing unsaturated polyester moulding compositions hardenable with very little shrinkageBAYER AG·Filed 1976·Granted Mar 14, 1978·14 cites·5 claims
- 4858US4022944ANon-porous polycarbonate films less than 1 μm thickBAYER AG·Filed 1976·Granted May 10, 1977·9 cites·1 claims
- 4957US4612347APolymer mixtures with a mat surfaceBAYER AG·Filed 1985·Granted Sep 16, 1986·13 cites·10 claims
- 5057US4381390AThermoplastic polyphosphonatophenyl ester carbonate from aryloxycarbonyloxy-benzoic acid aryl ester and preparation thereofMOBAY CHEMICAL CORP·Filed 1981·Granted Apr 26, 1983·4 cites·7 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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