BE503729A - - Google Patents
Info
- Publication number
- BE503729A BE503729A BE503729DA BE503729A BE 503729 A BE503729 A BE 503729A BE 503729D A BE503729D A BE 503729DA BE 503729 A BE503729 A BE 503729A
- Authority
- BE
- Belgium
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
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/24—Hydrolysis or ripening
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL696103X | 1950-06-06 | ||
| US230245A US2704262A (en) | 1950-06-06 | 1951-06-06 | Method of superficially saponifying a cellulose ester film |
| US481714A US2758943A (en) | 1950-06-06 | 1955-01-13 | Process of superficially saponifying a strip of cellulose ester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503729A true BE503729A (da) |
Family
ID=32303331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503729D BE503729A (da) | 1950-06-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2758943A (da) |
| BE (1) | BE503729A (da) |
| FR (1) | FR1045757A (da) |
| GB (1) | GB696103A (da) |
| NL (1) | NL76311C (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078178A (en) * | 1960-03-02 | 1963-02-19 | Polaroid Corp | Method of hydrolizing and polishing surface of cellulose ester substrate and photographic product produced therefrom |
| JPS5028254B1 (da) * | 1971-03-26 | 1975-09-13 | ||
| TW200835597A (en) * | 2006-10-30 | 2008-09-01 | Lofo High Tech Film Gmbh | Plasticizer for protective films |
-
0
- NL NL76311D patent/NL76311C/xx active
- BE BE503729D patent/BE503729A/xx unknown
-
1951
- 1951-06-01 GB GB13077/51A patent/GB696103A/en not_active Expired
- 1951-06-04 FR FR1045757D patent/FR1045757A/fr not_active Expired
-
1955
- 1955-01-13 US US481714A patent/US2758943A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL76311C (da) | |
| GB696103A (en) | 1953-08-26 |
| US2758943A (en) | 1956-08-14 |
| FR1045757A (fr) | 1953-12-01 |