[go: up one dir, main page]

FR458346A - Procédé de production du vide au moyen de basses températures - Google Patents

Procédé de production du vide au moyen de basses températures

Info

Publication number
FR458346A
FR458346A FR458346DA FR458346A FR 458346 A FR458346 A FR 458346A FR 458346D A FR458346D A FR 458346DA FR 458346 A FR458346 A FR 458346A
Authority
FR
France
Prior art keywords
low temperatures
producing vacuum
vacuum
producing
temperatures
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Julius Edgar Lilienfeld
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR458346A publication Critical patent/FR458346A/fr
Expired legal-status Critical Current

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
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • 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
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
FR458346D 1912-08-06 1913-05-24 Procédé de production du vide au moyen de basses températures Expired FR458346A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE458346X 1912-08-06

Publications (1)

Publication Number Publication Date
FR458346A true FR458346A (fr) 1913-10-08

Family

ID=1497950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR458346D Expired FR458346A (fr) 1912-08-06 1913-05-24 Procédé de production du vide au moyen de basses températures

Country Status (1)

Country Link
FR (1) FR458346A (fr)

Similar Documents

Publication Publication Date Title
FR458346A (fr) Procédé de production du vide au moyen de basses températures
FR15475E (fr) Procédé de production du pinacone
FR460085A (fr) Procédé de production de sucres, au moyen de cellulose
FR440689A (fr) Procédé de production d'esters nouveaux
FR15759E (fr) Procédé de production du béta-gamma-diméthylbutadiène
FR451828A (fr) Procédé de production de cétones cycliques
FR441270A (fr) Procédé d'extraction du vanadium
FR434553A (fr) Procédé de production du pinacone
FR441624A (fr) Procédé de solidification du pétrole
FR437970A (fr) Procédé de production de leucoquinizarine
FR446822A (fr) Procédé de réfrigération
FR453514A (fr) Procédé de production de dianthraquinonylthioéthers
FR425582A (fr) Procédé de production du béta-gamma-diméthylbutadiène
FR462973A (fr) Procédé de fabrication du lait desséché
FR458857A (fr) Procédé de fabrication ou de récupération des acides du goudron
CH55539A (fr) Procédé de fabrcation du cyanure de soldium
FR450979A (fr) Procédé de production de carboxydiarylhydrols
FR451109A (fr) Procédé de production de béta-méthyl-gamma-oxybutyldiméthylamine
FR463232A (fr) Procédé de fabrication continue des nitrures
FR447085A (fr) Procédé de solidification des hydrocarbures
FR419591A (fr) Procédé de vieillissement des eaux-de-vie
FR457840A (fr) Procédé de production de nouveaux colorants monoazoiques
FR482537A (fr) Perfectionnements au procédé de production du bisulfite de sodium
FR461094A (fr) Procédé de préparation de 2-nitroquinizarine
FR463772A (fr) Procédé de préparation de matières colorantes indigoides