FR930403A - Process for preparing polyvinyl acetals - Google Patents

Process for preparing polyvinyl acetals

Info

Publication number
FR930403A
FR930403A FR930403DA FR930403A FR 930403 A FR930403 A FR 930403A FR 930403D A FR930403D A FR 930403DA FR 930403 A FR930403 A FR 930403A
Authority
FR
France
Prior art keywords
polyvinyl acetals
preparing polyvinyl
preparing
acetals
polyvinyl
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
Other languages
French (fr)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR930403A publication Critical patent/FR930403A/en
Expired legal-status Critical Current

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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/327—Macromolecular coupling substances
    • G03C7/3275—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/28—Condensation with aldehydes or ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR930403D 1938-10-05 1946-07-09 Process for preparing polyvinyl acetals Expired FR930403A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US233480A US2310943A (en) 1938-10-05 1938-10-05 Polyvinyl acetals
US436056A US2380032A (en) 1938-10-05 1942-03-24 Processes of color photography

Publications (1)

Publication Number Publication Date
FR930403A true FR930403A (en) 1948-01-26

Family

ID=26926955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930403D Expired FR930403A (en) 1938-10-05 1946-07-09 Process for preparing polyvinyl acetals

Country Status (3)

Country Link
US (2) US2310943A (en)
FR (1) FR930403A (en)
GB (1) GB535341A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5030119A (en) * 1989-09-27 1991-07-09 Safe Care Products, Inc. Safety plug

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432471A (en) * 1942-12-29 1947-12-09 Wingfoot Corp Polyvinyl acetal compositions
US2447773A (en) * 1943-01-30 1948-08-24 Libbey Owens Ford Glass Co Method of preparing polyvinyl acetal ketal resins
US2423460A (en) * 1944-03-31 1947-07-08 Du Pont Photographic elements containing polyamide dye intermediate layers
US2415381A (en) * 1944-03-31 1947-02-04 Du Pont Hydrophilic colloid color formers and photographic elements containing the same
US2415382A (en) * 1944-03-31 1947-02-04 Du Pont Photographic elements including hydrophilic color formers
US2455170A (en) * 1944-05-03 1948-11-30 Eastman Kodak Co Colored couplers
US2453661A (en) * 1944-05-03 1948-11-09 Eastman Kodak Co Colored couplers
US2422680A (en) * 1944-06-01 1947-06-24 Du Pont Process for preparing hydrophilic color-former silver halide dispersions
US2422648A (en) * 1944-10-24 1947-06-17 Shell Dev Dihydropyran compounds and their preparation
US2473403A (en) * 1945-02-08 1949-06-14 Du Pont Hydrophilic dye intermediates
US2481476A (en) * 1945-03-02 1949-09-06 Du Pont Color yielding photographic elements
US2576850A (en) * 1945-04-26 1951-11-27 Du Pont Gelling of polymeric compounds
US2567750A (en) * 1945-10-25 1951-09-11 Du Pont Light sensitive elements for color photography
US2497955A (en) * 1946-02-21 1950-02-21 Rohm & Haas Iminoester resins
US2464597A (en) * 1946-05-03 1949-03-15 Du Pont m-acylacetamidobenzaldehyde acetals of alkanols of 1 to 4 carbon atoms and 1, 2 and 1, 3-alkanediols of 2 to 4 carbon atoms
US2423572A (en) * 1946-05-03 1947-07-08 Du Pont Naphtholsulfonamidobenzaldehydes and acetals thereof
US2551133A (en) * 1946-08-29 1951-05-01 Du Pont Photographic light-sensitive diazo element
US2513189A (en) * 1947-01-18 1950-06-27 Du Pont Preparation of polyvinyl acetals
BE480525A (en) * 1947-03-13
US2536980A (en) * 1947-05-02 1951-01-02 Gen Aniline & Film Corp Polyvinyl alcohol-1-butene-1,3-dione reaction product and process for producing the same
US2668804A (en) * 1947-10-08 1954-02-09 Calico Printers Ass Ltd Pigments and molding powders comprising polyvinyl acetal resins dyed with azo dyes
US2513190A (en) * 1948-02-18 1950-06-27 Du Pont Polymeric color formers
US2518704A (en) * 1948-03-06 1950-08-15 Du Pont o-and m-hydroxybenzamidobenzaldehydes and their acetals with lower alkanols and alkanediols
US2489655A (en) * 1948-04-05 1949-11-29 Du Pont Polymeric color formers
US3071598A (en) * 1948-06-01 1963-01-01 Purdue Research Foundation Nitro acetal propellants
US3071617A (en) * 1948-06-01 1963-01-01 Purdue Research Foundation Nitro plastic propellants
US2487864A (en) * 1948-09-08 1949-11-15 American Viscose Corp Linear polyvinyl acetals
US2562528A (en) * 1949-01-21 1951-07-31 Du Pont Color former acetals of polyvinyl alcohol and substituted carbalkoxyacetamidobenzaldehydes
US2680730A (en) * 1950-07-05 1954-06-08 Du Pont Acetals of polyhydric alcohols
US2680731A (en) * 1950-07-05 1954-06-08 Du Pont Acetals containing a cyanoacetyl group
US2680732A (en) * 1950-10-31 1954-06-08 Du Pont Acetals containing a cyanoacetyl group
US2680733A (en) * 1950-11-02 1954-06-08 Du Pont Acetals containing a cyanoacetyl group
US2671021A (en) * 1950-12-27 1954-03-02 Gen Aniline & Film Corp Polymeric magenta color former
US2754286A (en) * 1951-10-15 1956-07-10 Du Pont Aldehydes and their acetals
US2960384A (en) * 1951-12-17 1960-11-15 Kurashiki Rayon Co Method of improving the mechanical and dyeing properties of shaped polyvinyl alcohol structures
GB745219A (en) * 1952-03-12 1956-02-22 Kurashiki Rayon Kk A method of treating polyvinyl alcohol fibres and other shaped articles
US2739059A (en) * 1952-08-12 1956-03-20 Eastman Kodak Co Modification of hydroxyl containing polyvinyl resin treated with an amino acetal as a silver halide binder
US2747998A (en) * 1952-08-12 1956-05-29 Eastman Kodak Co Gelation of soluble polymers with attached amino groups
BE524656A (en) * 1952-11-29
US2734825A (en) * 1953-06-16 1956-02-14 morgan
US2828205A (en) * 1953-06-23 1958-03-25 Du Pont Polyvinyl acetal silver halide emulsion containing polyvinyl acetal color formers
US2956963A (en) * 1954-08-02 1960-10-18 Nat Sugar Refining Company Saccharide-monohydroxy aldehyde reaction product and method of preparing same
US2929710A (en) * 1954-10-08 1960-03-22 Du Pont Polyvinyl acetal with terminal vinylidene groups
NL196245A (en) * 1954-10-15 1900-01-01
US2882150A (en) * 1954-10-22 1959-04-14 Eastman Kodak Co Photographic elements containing polymeric ultraviolet absorbing compounds
US2828289A (en) * 1955-03-09 1958-03-25 Eastman Kodak Co Polyvinyl acetal acid dicarboxylates and their preparation
DE1086998B (en) * 1958-07-09 1960-08-11 Agfa Ag Process for the pretreatment of hydrophobic photographic substrates for casting with hydrophilic colloid layers
US3278486A (en) * 1959-02-17 1966-10-11 Scripto Inc Colored polymeric materials
US3534064A (en) * 1967-02-23 1970-10-13 Olin Mathieson Cyclic organic compounds
US4211561A (en) * 1978-12-08 1980-07-08 E. I. Du Pont De Nemours And Company Method of producing cross-linked polymeric images
US4247625A (en) * 1978-12-20 1981-01-27 Eastman Kodak Company Imaging processes, elements and compositions featuring dye-retaining binders for reaction products of cobalt complexes and aromatic dialdehyde
US4335197A (en) * 1980-11-25 1982-06-15 E. I. Du Pont De Nemours And Company Photoimaging process
US4520093A (en) * 1984-01-30 1985-05-28 E. I. Du Pont De Nemours And Company Photosensitive composition and method for forming a neutral black image
US4576894A (en) * 1984-09-24 1986-03-18 E. I. Du Pont De Nemours And Company Tanning development in low silver photoimaging using polymeric couplers
WO2007058041A1 (en) * 2005-11-21 2007-05-24 Nitto Denko Corporation Optical film containing polymer having naphthyl group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5030119A (en) * 1989-09-27 1991-07-09 Safe Care Products, Inc. Safety plug

Also Published As

Publication number Publication date
US2310943A (en) 1943-02-16
GB535341A (en) 1941-04-07
US2380032A (en) 1945-07-10

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