公开(公告)号：US3894986A

公开(公告)日：1975-07-15

申请号：US40864673

申请日：1973-10-23

Applicant: HOECHST AG

Inventor： RACKY WERNER ,  HERWIG WALTER ,  KLEINER HANS-JERG

IPC: C08L67/00 ,  C08G63/00 ,  C08G63/78 ,  C08K5/5317 ,  C08G51/62

CPC classification number: C08K5/5317 ,  C08L67/02

Abstract: Flame resistant thermoplastic polyesters, which contain alkali salts of phosphonic acids.

Abstract translation: 耐火热塑性聚酯，其含有膦酸的碱金属盐。

公开(公告)号：US3859339A

公开(公告)日：1975-01-07

申请号：US38442573

申请日：1973-08-01

Applicant: HOECHST AG

Inventor： KLEINER HANS-JERG

IPC: C08L67/00 ,  C07F9/38 ,  C07F9/40 ,  C07F9/53 ,  C08K5/5397 ,  C07C143/02

CPC classification number: C07F9/5304 ,  C08K5/5397 ,  Y10S260/24 ,  C08L67/02

Abstract: Dialkyl-phosphinyl-alkane sulfonates of the formula

WHEREIN R1 and R2 signify alkyl groups having from 1 to 4 carbon atoms, n signifies a whole number from 1 to 12 and Me is an alkali metal atom are suitable as flame-proofing agents for polyester.