公开(公告)号：US3043903A

公开(公告)日：1962-07-10

申请号：US73402958

申请日：1958-05-08

Applicant: GEN ELECTRIC

Inventor： KEANE JOHN J ,  KITSON JR HAROLD

IPC: F16L5/08

CPC classification number: F16L5/08

公开(公告)号：US3477978A

公开(公告)日：1969-11-11

申请号：US3477978D

申请日：1967-01-04

Applicant: GEN ELECTRIC

Inventor： HOLUB FRED F ,  KEANE JOHN J ,  KIM JAMES K S

IPC: C08K5/098 ,  C08L69/00 ,  C08G39/10

CPC classification number: C08K5/098 ,  C08L69/00 ,  C08L23/00

公开(公告)号：US3375225A

公开(公告)日：1968-03-26

申请号：US42965165

申请日：1965-02-01

Applicant: GEN ELECTRIC

Inventor： KEANE JOHN J ,  FOX DANIEL W ,  BORMAN WILLEM F H

IPC: C08G65/44 ,  C08G65/48

CPC classification number: C08G65/44 ,  C08G65/485

公开(公告)号：US3578634A

公开(公告)日：1971-05-11

申请号：US3578634D

申请日：1969-08-19

Applicant: GEN ELECTRIC

Inventor： BIALOUS CHARLES A ,  JAQUISS DONALD B G ,  KEANE JOHN J

IPC: C08G64/00 ,  C08G17/13

CPC classification number: C08G64/00

Abstract: A THERMALLY OXIDATIVELY STABLE COPOLYCARBONATE PHOSPHITE HAVING AN ELEMENTAL PHOSPHORUS CONTENT OF 0.0005 TO ABOUT 1.0 WEIGHT PERCENT BASED ON THE TOTAL WEIGHT OF THE POLYMER AND TO AN IMPROVED PROCESS FOR PREPARING THE POLYMER WHICH CONSISTS OF ADDING TO THE REACTION OF A DIHYDRIC PHENOL AND A CARBONATE PRECURSOR A PARTICULAR AMOUNT OF PHOSPHORUS TRIHALIDE SUCH AS PHOSPHORUS TRICHLORIDE.

公开(公告)号：US3311589A

公开(公告)日：1967-03-28

申请号：US24600962

申请日：1962-12-20

Applicant: GEN ELECTRIC

Inventor： KOHN LEO S ,  KEANE JOHN J

IPC: C08G59/42

CPC classification number: C08G59/4207

公开(公告)号：US3048651A

公开(公告)日：1962-08-07

申请号：US67598357

申请日：1957-08-02

Applicant: GEN ELECTRIC

Inventor： HOWARD CHARLES F ,  KEANE JOHN J

IPC: H02K3/34

CPC classification number: H02K3/34

公开(公告)号：US3567813A

公开(公告)日：1971-03-02

申请号：US3567813D

申请日：1968-07-11

Applicant: GEN ELECTRIC

Inventor： KEANE JOHN J ,  TOME JOHN M

IPC: B29C47/76 ,  C08G64/40 ,  B29F3/03 ,  C08G17/13 ,  C08G53/20

CPC classification number: B29C47/76 ,  B29C47/0009 ,  B29C47/0011 ,  B29C47/0014 ,  B29C47/0021 ,  B29C47/0026 ,  C08G64/40

Abstract: A PROCESS FOR PREPARING AN AROMATIC CARBONATE POLYMER HAVING EXCELLENT RESISTANCE TO THERMAL DISCOLORATION AND THERMAL DEGRADATION, WHICH PROCESS INVOLVES INCORPORATING 0.1-5.0 WEIGHT PERCENT OF WATER, BASED ON THE WEIGHT OF THE TOTAL COMPOSITION WITH THE AROMATIC CARBONATE POLYMER, AND THEN EXTRUDING THE MIXTURE THROUGH A HEATED, VACUUM VENTED EXTRUDER. A VACUUM IS APPLIED TO THE MIXTURE WHILE IN THE MOLTEN STATE.

公开(公告)号：US3014980A

公开(公告)日：1961-12-26

申请号：US80595359

申请日：1959-04-13

Applicant: GEN ELECTRIC

Inventor： MARSHALL WALTER L ,  KEANE JOHN J

IPC: H01B3/00 ,  H01B3/40 ,  H01B3/46 ,  H01B3/50 ,  H02K3/30

CPC classification number: H02K3/30 ,  H01B3/004 ,  H01B3/40 ,  H01B3/46 ,  H01B3/50