FR420319A - Improvements to collodion filters - Google Patents

Improvements to collodion filters

Info

Publication number
FR420319A
FR420319A FR420319A FR420319DA FR420319A FR 420319 A FR420319 A FR 420319A FR 420319 A FR420319 A FR 420319A FR 420319D A FR420319D A FR 420319DA FR 420319 A FR420319 A FR 420319A
Authority
FR
France
Prior art keywords
collodion
filters
collodion filters
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
FR420319A
Other languages
French (fr)
Inventor
Francois-Charles Billon
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.)
FRANCOIS CHARLES BILLON
Poulenc Freres SA
Original Assignee
FRANCOIS CHARLES BILLON
Poulenc Freres SA
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 FRANCOIS CHARLES BILLON, Poulenc Freres SA filed Critical FRANCOIS CHARLES BILLON
Application granted granted Critical
Publication of FR420319A publication Critical patent/FR420319A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR420319A 1909-11-20 1909-11-20 Improvements to collodion filters Expired FR420319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420319T 1909-11-20

Publications (1)

Publication Number Publication Date
FR420319A true FR420319A (en) 1911-01-27

Family

ID=1463468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420319A Expired FR420319A (en) 1909-11-20 1909-11-20 Improvements to collodion filters

Country Status (1)

Country Link
FR (1) FR420319A (en)

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