FR2240986B1 - - Google Patents

Info

Publication number
FR2240986B1
FR2240986B1 FR7335900A FR7335900A FR2240986B1 FR 2240986 B1 FR2240986 B1 FR 2240986B1 FR 7335900 A FR7335900 A FR 7335900A FR 7335900 A FR7335900 A FR 7335900A FR 2240986 B1 FR2240986 B1 FR 2240986B1
Authority
FR
France
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
FR7335900A
Other languages
French (fr)
Other versions
FR2240986A1 (en
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.)
Research Corp
Original Assignee
Research Corp
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 Research Corp filed Critical Research Corp
Publication of FR2240986A1 publication Critical patent/FR2240986A1/fr
Application granted granted Critical
Publication of FR2240986B1 publication Critical patent/FR2240986B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Paper (AREA)
FR7335900A 1973-08-15 1973-10-08 Expired FR2240986B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00388472A US3837804A (en) 1973-08-15 1973-08-15 Process for deacidifying a book which has a pyroxylin-containing cover

Publications (2)

Publication Number Publication Date
FR2240986A1 FR2240986A1 (en) 1975-03-14
FR2240986B1 true FR2240986B1 (en) 1977-03-11

Family

ID=23534252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335900A Expired FR2240986B1 (en) 1973-08-15 1973-10-08

Country Status (6)

Country Link
US (1) US3837804A (en)
JP (2) JPS5043209A (en)
DE (1) DE2350226C2 (en)
FR (1) FR2240986B1 (en)
GB (1) GB1422384A (en)
IT (1) IT999795B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339479A (en) * 1966-01-24 1982-07-13 Edward Robbart Treatment of cellulose
US3969549A (en) * 1974-12-24 1976-07-13 The United States Of America As Represented By The Librarian Of Congress Method of deacidifying paper
JPS60234278A (en) * 1984-05-07 1985-11-20 Matsushita Electric Ind Co Ltd Digital tape recorder
US5208072A (en) * 1988-09-30 1993-05-04 Fmc Corporation Mass treatment of cellulosic materials
US5104997A (en) * 1988-09-30 1992-04-14 Fmc Corporation Mass treatment of cellulosic materials
DE3904111A1 (en) * 1989-02-11 1990-08-16 Battelle Institut E V METHOD AND DEVICE FOR THE ENVIRONMENTALLY FRIENDLY MASS DEIFICATION OF BOOKS AND OTHER PAPER PRODUCTS
US5277842A (en) * 1991-02-14 1994-01-11 Battelle-Institut E.V. Solvents for agents to mass deacidify books and other paper products in an environmentally safe manner
US5264243A (en) * 1992-06-16 1993-11-23 Fmc Corporation Mass cellulose deacidification process
US6214165B1 (en) 1999-07-13 2001-04-10 Joseph Zicherman Method for deacidification of papers and books by fluidizing a bed of dry alkaline particles
ITMI20011413A1 (en) * 2001-07-04 2003-01-04 Consiglio Nazionale Ricerche METHOD OF CONSERVATIVE TREATMENT OF PAPER MATERIAL

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135627A (en) * 1961-08-08 1964-06-02 Mc Graw Edison Co Thermally stabilized cellulose materials for electrical insulation
GB1129648A (en) * 1965-08-27 1968-10-09 William Herbert Langwell Prevention of deterioration of documents, books, maps and like records
US3703353A (en) * 1971-04-15 1972-11-21 Council On Library Resources I Gaseous diffusion paper deacidification

Also Published As

Publication number Publication date
JPS5043209A (en) 1975-04-18
GB1422384A (en) 1976-01-28
FR2240986A1 (en) 1975-03-14
DE2350226A1 (en) 1975-03-13
IT999795B (en) 1976-03-10
DE2350226C2 (en) 1981-10-01
JPS5823996A (en) 1983-02-12
US3837804A (en) 1974-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse