ZA752456B - Process for the destruction of developed and undeveloped photosensitive film and the recovery of products therefrom - Google Patents

Process for the destruction of developed and undeveloped photosensitive film and the recovery of products therefrom

Info

Publication number
ZA752456B
ZA752456B ZA00752456A ZA752456A ZA752456B ZA 752456 B ZA752456 B ZA 752456B ZA 00752456 A ZA00752456 A ZA 00752456A ZA 752456 A ZA752456 A ZA 752456A ZA 752456 B ZA752456 B ZA 752456B
Authority
ZA
South Africa
Prior art keywords
destruction
recovery
developed
photosensitive film
products therefrom
Prior art date
Application number
ZA00752456A
Other languages
English (en)
Inventor
M Fassell
D Bridges
Original Assignee
Barber Colma Co
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 Barber Colma Co filed Critical Barber Colma Co
Publication of ZA752456B publication Critical patent/ZA752456B/xx

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G03C11/24—Removing emulsion from waste photographic material; Recovery of photosensitive or other substances
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/80—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D309/10—Oxygen atoms
    • C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/60—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
    • C07D319/08—1,3-Dioxanes; Hydrogenated 1,3-dioxanes condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
    • C07D319/16—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D319/20—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring with substituents attached to the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
    • C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D333/56—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
    • C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D333/60—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ZA00752456A 1974-05-01 1975-04-17 Process for the destruction of developed and undeveloped photosensitive film and the recovery of products therefrom ZA752456B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/466,015 US3953502A (en) 1973-01-31 1974-05-01 Cyclopentane derivatives

Publications (1)

Publication Number Publication Date
ZA752456B true ZA752456B (en) 1976-03-31

Family

ID=23850099

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752456A ZA752456B (en) 1974-05-01 1975-04-17 Process for the destruction of developed and undeveloped photosensitive film and the recovery of products therefrom

Country Status (8)

Country Link
US (1) US3953502A (ja)
JP (1) JPS5947308B2 (ja)
AU (1) AU8039775A (ja)
BE (1) BE828643A (ja)
CA (1) CA1047772A (ja)
DE (1) DE2519402A1 (ja)
GB (1) GB1476539A (ja)
ZA (1) ZA752456B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123500A (en) * 1974-03-01 1978-10-31 Johnson, Matthey & Co., Limited Recovery of precious metals by oxidation in the aqueous phase of associated carbonaceous support material
GB2131008A (en) * 1982-11-13 1984-06-13 Evaporation Processes Limited A process for the treatment of X-ray films to recover the plastic film and silver therefrom
FR2672049A1 (fr) * 1991-01-30 1992-07-31 Benzaria Jacques Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee.
WO1995010499A1 (en) * 1993-10-14 1995-04-20 Shell Internationale Research Maatschappij B.V. Process for recovering dicarboxylic acid with reduced impurities from polyester polymer
US5580905A (en) * 1994-04-28 1996-12-03 United Resource Recovery Corporation Process for recycling polyesters
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US5958987A (en) 1996-04-10 1999-09-28 The Coca-Cola Company Process for separating polyester from other materials
DE19629042C2 (de) * 1996-07-19 1999-02-25 Cet Umwelttechnik Entwicklungs Verfahren zur Gewinnung von Terephthalsäure und Ethylenglykol, insbesondere aus Polyethylenterephthalat-Abfällen und Vorrichtung zur Durchführung des Verfahrens
US6239310B1 (en) * 1997-12-02 2001-05-29 Heinrich Smuda Method of recovery of terephthalic acid and ethylene glycol from poly/ethylene terephthalate/wastes
ATE497517T1 (de) * 2001-06-19 2011-02-15 United Resource Recovery Corp Verfahren zur trennung von polyester von anderen materialien
US7098299B1 (en) 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047435A (en) * 1958-11-10 1962-07-31 Eastman Kodak Co Recovery of polyester film base from terpolymer-subbed photographic film scrap
US3652466A (en) * 1968-07-16 1972-03-28 Du Pont Process of recovering polyester from polyester films having polymeric coatings
US3678092A (en) * 1969-02-24 1972-07-18 Ciba Geigy Corp 3-hydroxycyclopentyl-alkanoic acids
GB1428137A (en) 1972-09-27 1976-03-17 Ici Ltd Prostanoic acid derivatives

Also Published As

Publication number Publication date
JPS5947308B2 (ja) 1984-11-17
CA1047772A (en) 1979-02-06
US3953502A (en) 1976-04-27
AU8039775A (en) 1976-10-28
BE828643A (fr) 1975-08-18
DE2519402A1 (de) 1975-11-13
GB1476539A (en) 1977-06-16
JPS50142234A (ja) 1975-11-15

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