Inventor · disambiguated record
Friedrich Herold
Also filed as: HEROLD FRIEDRICH
8 granted patents·83 citations·filing 1986–1994
86Inventor score
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8 records- 0174US4847354AShaped structure of aromatic copolyamide from aromatic diamine mixtureHOECHST AG·Filed 1986·Granted Jul 11, 1989·23 cites·24 claims
- 0267US5536408AHydrophilic, asymmetric, chemically-resistant polyaramide membraneHOECHST AG·Filed 1994·Granted Jul 16, 1996·16 cites·13 claims
- 0366US5290884ABlends of polybenzimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkagesHOECHST CELANESE CORP·Filed 1991·Granted Mar 1, 1994·19 cites·15 claims
- 0448US5039779AThermoplastically processible aromatic polyetheramide from 2,2-bis(4'-amino phenoxy phenyl) propane and terephthalic acidHOECHST AG·Filed 1989·Granted Aug 13, 1991·7 cites·6 claims
- 0548US4891135AMacroporous, asymmetric, hydrophilic polyaramide membraneHOECHST AG·Filed 1989·Granted Jan 2, 1990·7 cites·28 claims
- 0639US4966955AAromatic copolyether amide which can be processed as a thermoplastic, process for its preparation, and its use for the production of moldingHOECHST AG·Filed 1989·Granted Oct 30, 1990·4 cites·20 claims
- 0734US4931533AFilament-, fiber- or film-forming aromatic copolyamide from aromatic diamine mixtureHOECHST AG·Filed 1988·Granted Jun 5, 1990·5 cites·16 claims
- 0831US4981943AFilm of aromatic copolyamide from bis(aminophenoxy) benzeneHOECHST AG·Filed 1988·Granted Jan 1, 1991·2 cites·13 claims
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