UST878011I4 - Defensive publication - Google Patents
Defensive publication Download PDFInfo
- Publication number
- UST878011I4 UST878011I4 US878011DH UST878011I4 US T878011 I4 UST878011 I4 US T878011I4 US 878011D H US878011D H US 878011DH US T878011 I4 UST878011 I4 US T878011I4
- Authority
- US
- United States
- Prior art keywords
- defensive publication
- polymer
- paper
- methylpentene
- layer
- 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.)
- Pending
Links
- 229920000642 polymer Polymers 0.000 description 7
- 238000001035 drying Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
- G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
- G03C1/79—Macromolecular coatings or impregnations therefor, e.g. varnishes
-
- 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
- G03C1/91—Photosensitive materials characterised by the base or auxiliary layers characterised by subbing layers or subbing means
- G03C1/915—Photosensitive materials characterised by the base or auxiliary layers characterised by subbing layers or subbing means using mechanical or physical means therefor, e.g. corona
Definitions
- a photographic paper having a paper base coated on at least one side with a 4-methylpentene-1 polymer, the emulsions are then applied to the coating of 4-methylpentene-1 polymer.
- Photographic papers thus produced have a reduced drying time and are heat stable when subjected to drying temperatures. It is preferred that both sides of the paper be coated with the 4-methylpentene-l polymer.
- the method of making a photographic paper with reduced drying time comprises coating at least one side (preferably both sides) of the paper with 4-methylpentone-1 polymer to a thickness of the order of about 20 to 25 microns, subjecting a 4-methylpentene-l layer to surface treatment such as corona discharge to promote the adhesion of the emulsion of the polymer, placing an initial layer of gelatin on the polymer layer thus treated and applying a layer of radiation sensitive material such as a photographic emulsion to the prepared polymer layer. Papers thus produced are suitable for both black and white and color photography.
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1357569 | 1969-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST878011I4 true UST878011I4 (en) | 1970-09-08 |
Family
ID=10025450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US878011D Pending UST878011I4 (en) | 1969-03-14 | 1970-03-11 | Defensive publication |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | UST878011I4 (enrdf_load_stackoverflow) |
| BE (1) | BE747160A (enrdf_load_stackoverflow) |
| CA (1) | CA948468A (enrdf_load_stackoverflow) |
| FR (1) | FR2034938B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1252061A (enrdf_load_stackoverflow) |
-
1969
- 1969-03-14 GB GB1357569A patent/GB1252061A/en not_active Expired
-
1970
- 1970-03-10 BE BE747160D patent/BE747160A/xx unknown
- 1970-03-11 US US878011D patent/UST878011I4/en active Pending
- 1970-03-12 FR FR7008838A patent/FR2034938B1/fr not_active Expired
- 1970-03-13 CA CA077,448A patent/CA948468A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2034938B1 (enrdf_load_stackoverflow) | 1975-12-26 |
| GB1252061A (enrdf_load_stackoverflow) | 1971-11-03 |
| CA948468A (en) | 1974-06-04 |
| BE747160A (fr) | 1970-09-10 |
| FR2034938A1 (enrdf_load_stackoverflow) | 1970-12-18 |
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