FR805972A - Process for obtaining, from any lignified cellulosic material, an extremely easily bleached cellulose - Google Patents

Process for obtaining, from any lignified cellulosic material, an extremely easily bleached cellulose

Info

Publication number: FR805972A
Authority: FR; France
Prior art keywords: obtaining; cellulosic material; extremely easily; bleached cellulose; easily bleached
Prior art date: 1935-08-19
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

French (fr)

Inventor

Francesco Carlo Palazzo

Cesar Bouvier

Georges Fouche

Edmond Seguin

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.)

1935-08-19

Filing date

1935-08-27

Publication date

1936-12-04

1935-08-27 Application filed filed Critical

1936-12-04 Application granted granted Critical

1936-12-04 Publication of FR805972A publication Critical patent/FR805972A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Manufacturing & Machinery (AREA)
Microelectronics & Electronic Packaging (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Paper (AREA)

FR805972D 1935-08-19 1935-08-27 Process for obtaining, from any lignified cellulosic material, an extremely easily bleached cellulose Expired FR805972A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT465554X		1935-08-19

Publications (1)

Publication Number	Publication Date
FR805972A true FR805972A (en)	1936-12-04

Family

ID=11258823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR805972D Expired FR805972A (en)	1935-08-19	1935-08-27	Process for obtaining, from any lignified cellulosic material, an extremely easily bleached cellulose

Country Status (3)

Country	Link
BE (1)	BE416986A (en)
FR (1)	FR805972A (en)
GB (1)	GB465554A (en)

0
- BE BE416986D patent/BE416986A/xx unknown
1935
- 1935-08-27 FR FR805972D patent/FR805972A/en not_active Expired
1936
- 1936-08-19 GB GB22802/36A patent/GB465554A/en not_active Expired

Also Published As

Publication number	Publication date
BE416986A (en)
GB465554A (en)	1937-05-10

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