Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Priority to CA238,918ApriorityCriticalpatent/CA1051148A/fr
Application grantedgrantedCritical
Publication of CA1051148ApublicationCriticalpatent/CA1051148A/fr
Aromatic polyester consisting essentially of p-oxybenzoyl units, terephthaloyl units, 2,6-dioxynaphthalene or 2,6-dioxyanthraquinone units and m-oxybenzoyl or 1,3-dioxyphenylene units
Polyester d'acide para-hydroxybenzoique, de 1,2-bis (para-carboxyphenoxy) ethane, d'acide terephtalique et d'hydroquinone a substitution, capable de former un fondant anisotrope capable d'etre traite facilement a leur fusion
Polyesters derived from 3,4'-dihydroxy-benzophenones or 3-hydroxy-4'-(4-hydroxyphenyl-)benzophenone and certain aromatic dicarboxylic acids and filaments thereof
Polyester d'acide para-hydroxy-benzoique, de 1,2-bis(para-carboxyphenoxy) ethane, d'acide terephtalique et d'hydroquinone, donnant un produit anisotropique facilement traite par fusion
Polyester d'acide para-hydroxy benzoique d'acide 2,6-naphtalene dicarboxylique, d'acide terephtalique et de methylhydroquinone, a stabilite hydrolytique amelioree, et pouvant donner un produit fondu anisotrophique
Procede de fabrication de fibres multilobees a denier eleve composees de cristaux liquides polymeriques thermotropiques et compositions de ces produits