Patent search ap:("HOECHST AG") AND inv:"GUTWEILER KLEMENS" Page 1

1.

发明授权
Ternary system for polyacetal stabilization 失效
Title translation: POLYACETAL STABILIZATION的三元系统

公开(公告)号：US3553117A

公开(公告)日：1971-01-05

申请号：US3553117D

申请日：1968-03-21

Applicant: HOECHST AG

Inventor： GUTWEILER KLEMENS

IPC: C08K5/00 , C08G51/56

CPC classification number: C08K5/00 , C08L59/02

Abstract: POLYACETALS ARE STABILIZED USING A STABILIZER SYSTEM CONSISTING OF AN ANTIOXIDANT, AN ALKALINE EARTH METAL SALT AND A TERTIARY AMINE.

2.

发明授权
Process for the manufacture of fluorine-containing copolymers of trioxane 失效
Title translation: 三聚氰胺含氟共聚物的制备方法

公开(公告)号：US3442865A

公开(公告)日：1969-05-06

申请号：US3442865D

申请日：1966-04-08

Applicant: HOECHST AG

Inventor： WEISSERMEL KLAUS , HAFNER KARL-HEINZ , GUTWEILER KLEMENS , FISCHER EDGAR

IPC: C08G2/00 , C08G2/18 , C08G1/12

CPC classification number: C08G2/18

3.

发明授权
Trioxane copolymers 失效
Title translation: 三聚体共聚物

公开(公告)号：US3639349A

公开(公告)日：1972-02-01

申请号：US3639349D

申请日：1968-06-25

Applicant: HOECHST AG

Inventor： BURG KARLHEINZ , GUTWEILER KLEMENS , HERMANN HANS DIETER

IPC: C08G2/00 , C08G1/14 , C08G1/16

CPC classification number: C08G2/22 , C08G2/24 , C08G4/00

Abstract: COPOLYMERS OF TRIOXANE ARE PREPARED BY COPOLYMERIZING TRIOXANE WITH CYCLIC ETHERS OR CYCLIC OR LINEAR ACETALS AND, IF DESIRED, A TERCOMPONENT, AND POLYETHYLENE OXIDE HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 300 TO 25,000 IN THE PRESENCE OF A CATIONICALLY ACTIVE INITIATOR.

4.

发明授权
Thermoplastic moulding compositions on the basis of polyacetals 失效
Title translation: 基于聚合物的热塑性成型组合物

公开(公告)号：US3631124A

公开(公告)日：1971-12-28

申请号：US3631124D

申请日：1968-09-26

Applicant: HOECHST AG

Inventor： BURG KARLHEINZ , GUTWEILER KLEMENS , CHERDRON HARALD

IPC: C08L59/02 , C08L71/00

CPC classification number: C08L59/02 , C08L71/00 , C08L2666/22

Abstract: THE INVENTION PROVIDES THERMOPLASTIC MOULDING COMPOSITIONS ON THE BASIS OF POLYACETALS HAVING AN IMPROVED IMPACT STRENGTH WHICH ARE OBTAINED BY MIXING A POLYOXYMETHYLENE, FOR EXAMPLE A HOMO- OR COPOLYMER OF FORMALDEHYDE OR TRIOXAN, WITH A POLYETHER, FOR EXAMPLE POLYETHYLENE OXIDE.

5.

发明授权
Stabilized polyacetals and process for their manufacture 失效
Title translation: 稳定的聚合物及其制造方法

公开(公告)号：US3626024A

公开(公告)日：1971-12-07

申请号：US3626024D

申请日：1968-03-26

Applicant: HOECHST AG

Inventor： GUTWEILER KLEMENS , FISCHER EDGAR , ASMUS KLAUS-DIETER

IPC: C08K5/315 , C08G37/32

CPC classification number: C08K5/315 , C08L59/02

Abstract: Stabilization of polyacetals with the use of a homocondensate of hydroxymethyl cyanoguanidine as stabilizer in combination with known oxidation stabilizer.

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