GB623733A - Sterilization of partially oxidised cellulose fibres and means for effecting the same - Google Patents

Sterilization of partially oxidised cellulose fibres and means for effecting the same

Info

Publication number
GB623733A
GB623733A GB10089/46A GB1008946A GB623733A GB 623733 A GB623733 A GB 623733A GB 10089/46 A GB10089/46 A GB 10089/46A GB 1008946 A GB1008946 A GB 1008946A GB 623733 A GB623733 A GB 623733A
Authority
GB
United Kingdom
Prior art keywords
cellulose fibres
per cent
hours
water
temperature
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
GB10089/46A
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.)
Parke Davis and Co LLC
Original Assignee
Parke Davis and Co LLC
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 Parke Davis and Co LLC filed Critical Parke Davis and Co LLC
Publication of GB623733A publication Critical patent/GB623733A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/12—Aldehydes; Ketones
    • D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Partially oxidized cellulose fibres having a carboxyl content of 2-23 per cent prepared, for example, according to U.S.A. Specification 2,232,990 are completely sterilized, without decomposition, by treatment with a concentrated formaldehyde water vapour mixture at a temperature of 50-80 DEG C. for 1-5 hours. Preferably animal-tissue-soluble partially oxidized cellulose fibres of 10-23 per cent carboxyl content is treated at a temperature of 70 DEG C. for 3-4 hours. To prevent condensation of formaldehyde-water vapour during sterilization, the chamber used is insulated in such a manner that the internal surfaces of the walls of the chamber can be maintained at the predetermined temperature. According to one example, gauze enclosed in glassine envelopes placed within a vacuum dessicator also containing separate containers of paraformaldehyde and water, is treated at 70 DEG C. for 2 hours under a pressure of 12mm. Hg. In another example, the envelopes are stacked in open basket-type containers in a sterilizer maintained at 75 DEG C., 38 per cent w/v formalin solution is introduced and the pressure is reduced to 27 inches of water.
GB10089/46A 1945-06-18 1946-04-01 Sterilization of partially oxidised cellulose fibres and means for effecting the same Expired GB623733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623733XA 1945-06-18 1945-06-18

Publications (1)

Publication Number Publication Date
GB623733A true GB623733A (en) 1949-05-23

Family

ID=22042053

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10089/46A Expired GB623733A (en) 1945-06-18 1946-04-01 Sterilization of partially oxidised cellulose fibres and means for effecting the same

Country Status (1)

Country Link
GB (1) GB623733A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839355A (en) * 1956-05-08 1958-06-17 Johnson & Johnson Sterilization of surgical dressings
US20140031437A1 (en) * 2011-04-12 2014-01-30 Christopher Smith Oil-in-water emulsions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839355A (en) * 1956-05-08 1958-06-17 Johnson & Johnson Sterilization of surgical dressings
US20140031437A1 (en) * 2011-04-12 2014-01-30 Christopher Smith Oil-in-water emulsions

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