NL74985C - - Google Patents

Info

Publication number
NL74985C
NL74985C NL74985DA NL74985C NL 74985 C NL74985 C NL 74985C NL 74985D A NL74985D A NL 74985DA NL 74985 C NL74985 C NL 74985C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL74985C publication Critical patent/NL74985C/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/04—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/10—Organic
NL74985D 1950-12-27 NL74985C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL299718X 1950-12-27

Publications (1)

Publication Number Publication Date
NL74985C true NL74985C (fr)

Family

ID=19783190

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74985D NL74985C (fr) 1950-12-27

Country Status (7)

Country Link
US (1) US2735839A (fr)
BE (1) BE505947A (fr)
CH (1) CH299718A (fr)
DE (1) DE908069C (fr)
FR (1) FR1043430A (fr)
GB (1) GB705029A (fr)
NL (1) NL74985C (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048567A (en) * 1954-07-09 1962-08-07 Onderzoekings Inst Res Method for preparation of superpolyamides suitable for forming hollow products and the hollow products so produced
US2832674A (en) * 1954-08-23 1958-04-29 E F Drew & Company Inc Reaction tank
NL103300C (fr) * 1955-12-22
NL279942A (fr) * 1961-06-21
BE634002A (fr) * 1962-07-30
US3458482A (en) * 1966-10-06 1969-07-29 Teijin Ltd Polymerization of caprolactam
US3501441A (en) * 1968-05-06 1970-03-17 Monsanto Co Process for preparing a polyamide
US4145520A (en) * 1974-10-09 1979-03-20 Bayer Aktiengesellschaft Process for the continuous polymerization of lactams with static mixers
DE2821686A1 (de) * 1978-05-18 1979-11-22 Bayer Ag Verfahren zur herstellung von monomer- und dimerarmen polyamiden
US4471081A (en) * 1983-05-27 1984-09-11 Allied Corporation Continuous low moisture catalytic method for polymerization of caprolactam
US20140041322A1 (en) 2012-08-13 2014-02-13 Schlumberger Technology Corporation System and method for delivery of oilfield materials
US10633174B2 (en) 2013-08-08 2020-04-28 Schlumberger Technology Corporation Mobile oilfield materialtransfer unit
US10150612B2 (en) 2013-08-09 2018-12-11 Schlumberger Technology Corporation System and method for delivery of oilfield materials
US11453146B2 (en) 2014-02-27 2022-09-27 Schlumberger Technology Corporation Hydration systems and methods
US11819810B2 (en) 2014-02-27 2023-11-21 Schlumberger Technology Corporation Mixing apparatus with flush line and method
US10137420B2 (en) 2014-02-27 2018-11-27 Schlumberger Technology Corporation Mixing apparatus with stator and method
US20160130924A1 (en) * 2014-11-07 2016-05-12 Schlumberger Technology Corporation Hydration apparatus and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1488274A (en) * 1924-03-25 Ast of making varnish
US506752A (en) * 1893-10-17 Evaporating-pan
US2090586A (en) * 1937-08-17 Apparatus fob bodying tung oil
US902177A (en) * 1907-12-26 1908-10-27 Philipp Schwoerer Apparatus for treating oleic acid.
US1036609A (en) * 1908-01-20 1912-08-27 William M Grosvenor Method of conducting catalytic reactions.
US2361717A (en) * 1940-09-12 1944-10-31 Du Pont Process for making polyamides
BE444590A (fr) * 1941-02-22
US2486684A (en) * 1946-04-10 1949-11-01 Socony Vacuum Oil Co Inc Distillation process using radiofrequency heating
BE487516A (fr) * 1948-05-01

Also Published As

Publication number Publication date
US2735839A (en) 1956-02-21
BE505947A (fr)
CH299718A (de) 1954-06-30
FR1043430A (fr) 1953-11-09
GB705029A (en) 1954-03-03
DE908069C (de) 1954-04-01

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