公开(公告)号：US3563911A

公开(公告)日：1971-02-16

申请号：US3563911D

申请日：1968-12-26

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W ,  GARRETT LUTHER W JR

IPC: C10G11/18 ,  B01J8/28 ,  B01J38/20 ,  B01J11/04 ,  B01J11/68

CPC classification number: B01J8/28

Abstract: A MULTI-STAGED METHOD OF REMOVING CARBONACEOUS DEPOSITS FROM PARTICULATE FLUIDIZED MATERIAL IS DISCLOSED. SAID METHOD IS PARTICULARLY APPLICABLE TO THE REGENERATION OF CRACKING CATALYSTS TO LOW LEVELS OF CARBON.

公开(公告)号：US3276842A

公开(公告)日：1966-10-04

申请号：US12885961

申请日：1961-08-02

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W ,  SLIGER ARLEN G

IPC: C07C17/152

CPC classification number: C07C17/152

公开(公告)号：US3661800A

公开(公告)日：1972-05-09

申请号：US3661800D

申请日：1970-06-17

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W ,  WICKHAM HENRY P

IPC: C10G11/18 ,  B01J11/04 ,  B01J11/68

CPC classification number: C10G11/182

Abstract: A METHOD FOR STAGE REGENERATION OF PARTICULATE, FLUIDIZED MATERIAL IN A UNITARY VESSEL HAVING SUPERIMPOSED BEDS WHEREIN REGENERATION GAS LEAVING A SECOND STAGE IS PASSED THROUGH A FIRST STAGE. THE METHOD IS PARTICULARLY APPLICABLE TO THE REGENERATION OF HYDROCARBON CRACKING CATALYST TO LOW RESIDUAL LEVELS OF CARBON.

公开(公告)号：US3607127A

公开(公告)日：1971-09-21

申请号：US3607127D

申请日：1970-01-23

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W

IPC: B01J8/18 ,  C10G11/18 ,  B01J9/16 ,  F16L55/00 ,  F16L59/16

CPC classification number: B01J8/18 ,  C10G11/18

Abstract: An apparatus for the catalytic conversion of hydrocarbons at short contact times, the apparatus including a transfer line reactor having a vertical riser portion, a crossover portion and a downcomer portion.

公开(公告)号：US3607730A

公开(公告)日：1971-09-21

申请号：US3607730D

申请日：1970-01-23

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W

IPC: B01J8/28 ,  C10G11/18 ,  C10G13/14 ,  B01J9/06

CPC classification number: B01J8/28 ,  C10G11/18

Abstract: An apparatus and method for effecting fluid catalytic cracking of hydrocarbons to products boiling in the gasoline range including a seal well containing a pressure-developing column of regenerated catalyst for transfer of the catalyst through a reaction zone, the seal well being in open pressure communication with the outlet of the reaction zone.

公开(公告)号：US3607126A

公开(公告)日：1971-09-21

申请号：US3607126D

申请日：1970-01-23

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W

IPC: B01J8/24 ,  C10G11/18 ,  B01J9/16 ,  F16L55/00 ,  F16L59/16

CPC classification number: C10G11/18 ,  B01J8/1872

Abstract: A hollow, truncated cone-shaped device, having an inlet in the smaller diameter area of the cone and one or more outlets in the conical surface.

公开(公告)号：US3421884A

公开(公告)日：1969-01-14

申请号：US52859466

申请日：1966-02-18

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W ,  GARRETT LUTHER W JR

IPC: B01J8/26 ,  C21B13/00 ,  C22B1/10 ,  C01G49/08

CPC classification number: B01J8/26 ,  C21B13/0033 ,  C22B1/10 ,  Y02P10/136

公开(公告)号：US3276858A

公开(公告)日：1966-10-04

申请号：US41654164

申请日：1964-12-07

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W ,  GARRETT JR LUTHER W

IPC: B01J8/26 ,  C21B13/00 ,  C22B1/10

CPC classification number: B01J8/26 ,  C21B13/0033 ,  C22B1/10 ,  Y02P10/136

公开(公告)号：US3492221A

公开(公告)日：1970-01-27

申请号：US3492221D

申请日：1968-04-05

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W

IPC: B01J8/02 ,  B01J8/22 ,  B01J8/26 ,  C10G11/18 ,  C10G13/14 ,  B01J9/06

CPC classification number: B01J8/26 ,  C10G11/18

公开(公告)号：US3231649A

公开(公告)日：1966-01-25

申请号：US36050764

申请日：1964-04-17

Applicant: PULLMAN INC

Inventor： PFEIFFER ROBERT W

IPC: B22F3/02 ,  B22F3/035

CPC classification number: B22F3/02 ,  Y10S425/02