公开(公告)号：US3589687A

公开(公告)日：1971-06-29

申请号：US3589687D

申请日：1968-12-23

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E

IPC: B01J19/30 ,  B01F3/02 ,  B01F3/04 ,  B01F3/08

CPC classification number: B01J19/30 ,  B01J2219/30223 ,  B01J2219/30265 ,  B01J2219/3083 ,  B01J2219/3085 ,  Y10S261/72

Abstract: A packing element to be used in a reactor or mass transfer device wherein gas-gas, gas-liquid, and liquid-liquid phenomena are involved. The element is comprised of a housing having positioned therein adjacent the walls a first helical member of one hand, and a second helical member of opposite hand positioned within the first helical member.

公开(公告)号：US3582045A

公开(公告)日：1971-06-01

申请号：US3582045D

申请日：1969-04-03

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E

IPC: B01F5/06 ,  B01F15/00

CPC classification number: B01F5/0614

Abstract: An apparatus for improving the homogeneity of molten heat sensitive polymers when the flow thereof is substantially laminar. The apparatus has a tubular housing into which is snugly fitted a first helical member, and into which is disposed a second helical member of such size as to fit inside the first helical member.

公开(公告)号：US3611485A

公开(公告)日：1971-10-12

申请号：US3611485D

申请日：1968-12-30

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E ,  SETZER CARL J

IPC: D01D5/092 ,  D01D ,  F28F13/06

CPC classification number: D01D5/092

Abstract: A SPINNING CHINMEY TO BE USED FOR THE QUENCHING OF MOLTEN POLYMERIC FILAMENTS, SAID CHIMNEY HAVING WALLS WHICH CONVERGE FROM TOP TO BOTTOM AND THROUGH WHICH THE FILAMENTS AND A QUENCHING MEDIUM PASS DOWNWARDLY, AND A WALL ENGULFING SHROUD EXTENDING BEYOND THE TOPS AND BOTTOMS OF THE WALLS AND POSITIONED TO CAPTURE AT LEAST PART OF THE FLUID WHICH EXISTS FROM THE BOTTOM OF THE WALLS AND REDIRECT SAME BACK BETWEEN THE WALLS AND SHROUD FOR FLOW ADJACENT THE TOP OF THE WALLS ONTO THE FILAMENTS.

公开(公告)号：US3563710A

公开(公告)日：1971-02-16

申请号：US3563710D

申请日：1968-02-16

Applicant: MONSANTO CO

Inventor： DEW WILLIAM F JR ,  LEYBOURNE ALLEN E ,  COLWELL ROBERT E

IPC: B01F7/02 ,  B01F15/00 ,  B01F15/06 ,  B01J19/18 ,  F28D11/02 ,  F28F5/04 ,  F28D11/08

CPC classification number: F28F5/04 ,  B01F7/02 ,  B01F15/00019 ,  B01F15/068 ,  B01J19/18 ,  B01J2219/00076 ,  B01J2219/00094 ,  B01J2219/00164 ,  B01J2219/182 ,  F28D11/02

Abstract: A CONTINUOUS POLYMERIZATION APPARATUS SPECIFICALLY CONSTRUCTED TO PROVIDE FOR CONTROLLED TEMPERATURE, UNIFORM MIXING, AND EXCELLENT SURFACE GENERATION AND FILM FORMATION, HAVING JUXTAPOSED ROTOR AND STATOR SURFACES WITH A CIRCULATING HEAT TRANSFER MEDIUM THEREIN, THEREBY PROVIDING, IN CONJUNCTION WITH HEAT TRANSFER MEDIUM TEMPERATURE CONTROL, MEANS TO MIX THE POLYMER AND TO PROVIDE FINITE TEMPERATURE CONTROL OF THE JUXTAPOSED SURFACES AS WELL AS MEANS TO FORWARD THE POLYMER TOWARD THE EXIT END OF THE REACTION CHAMGER; THEREBY TO PRODUCE EXTREMELY HIGH VISCOSITY HIGH MOLECULAR WEIGHT POLYMERS.

公开(公告)号：US3484213A

公开(公告)日：1969-12-16

申请号：US3484213D

申请日：1966-12-21

Applicant: MONSANTO CO

Inventor： DEW WILLIAM F JR ,  THOMPSON BYRD T JR ,  LEYBOURNE ALLEN E

IPC: C08G69/00 ,  B01F7/00 ,  B01F15/00 ,  B01J14/00 ,  B01J19/18 ,  C08F2/00 ,  C08G63/00 ,  C08G63/78 ,  C08G69/04 ,  C08G85/00 ,  B29B5/00 ,  C08F47/00

CPC classification number: B01F7/00216 ,  B01F7/00558 ,  B01J19/18 ,  B01J2219/00094 ,  B01J2219/00166 ,  B01J2219/182

公开(公告)号：US3590072A

公开(公告)日：1971-06-29

申请号：US3590072D

申请日：1966-11-18

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E

IPC: C07C69/82 ,  B01D3/00 ,  B01J19/18 ,  C07C67/08

CPC classification number: B01J19/18 ,  B01D3/009 ,  B01J2219/0009 ,  B01J2219/00094 ,  B01J2219/00121 ,  B01J2219/00182 ,  B01J2219/182 ,  C07C67/08 ,  Y02P20/127 ,  C07C69/82

Abstract: A SLURRY TEREPHTHALIC ACID IN ETHYLENE GLCOL IS MAINTAINED BELOW 100*C. UNTIL BEING INTRODUCED INTO A REACTION ZONE MAINTAINED AT A TEMPERATURE OF 200-290*C. THE COOL SLURRY PREVENTS AGGLOMERATION OF THE TEREPHTHALIC ACID WITH CONSEQUENT PLUGGING OF THE SLURRY FEED LINES

公开(公告)号：US3551949A

公开(公告)日：1971-01-05

申请号：US3551949D

申请日：1968-11-15

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E ,  DEES JOHN R

IPC: D01D5/092 ,  D01D5/04

CPC classification number: D01D5/092

Abstract: A SPINNING CHIMNEY TO BE USED FOR THE QUENCHING OF MOLTEN POLYMERIC FILAMENTS, SAID CHIMNEY HAVING SIDES AND A BACK WITH THE SIDE COMPRISING CONVERGING WALLS WHICH CONFORM TO THE PATH OF FILAMENTS FROM THE SPINNERET TO THE CONVERGENCE GUIDE AND DIVERGING WINGS WHICH COMMUNICATE WITH THE LEADING EDGES OF THE WALLS, AND A PLENUM

CHAMBER ASSOCIATED WITH THE UPPER PORTION OF THE BACK OF THE CHIMNEY FOR DIRECTING THE FLOW OF AIR OVER THE FILAMENTS.

公开(公告)号：US3476523A

公开(公告)日：1969-11-04

申请号：US3476523D

申请日：1966-12-08

Applicant: MONSANTO CO

Inventor： LEYBOURNE ALLEN E

IPC: B01F7/04 ,  B01J19/18 ,  B01J3/00

CPC classification number: B01F7/048 ,  B01J19/18 ,  B01J2219/00094 ,  B01J2219/182 ,  Y10S159/10