DE1619281A1 - Wasserdampfdurchlaessiges Kunstleder-Folienmaterial und Verfahren zu seiner Herstellung - Google Patents
Wasserdampfdurchlaessiges Kunstleder-Folienmaterial und Verfahren zu seiner HerstellungInfo
- Publication number
- DE1619281A1 DE1619281A1 DE19671619281 DE1619281A DE1619281A1 DE 1619281 A1 DE1619281 A1 DE 1619281A1 DE 19671619281 DE19671619281 DE 19671619281 DE 1619281 A DE1619281 A DE 1619281A DE 1619281 A1 DE1619281 A1 DE 1619281A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- base layer
- solvent
- surface layer
- plastic
- 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
- 239000000463 material Substances 0.000 title claims description 121
- 238000000034 method Methods 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 15
- 239000002649 leather substitute Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 230000008569 process Effects 0.000 title claims description 7
- 239000010410 layer Substances 0.000 claims description 144
- 239000002344 surface layer Substances 0.000 claims description 44
- 239000002904 solvent Substances 0.000 claims description 35
- 229920003023 plastic Polymers 0.000 claims description 29
- 239000004033 plastic Substances 0.000 claims description 29
- 239000000945 filler Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 19
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 9
- 239000010985 leather Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000008240 homogeneous mixture Substances 0.000 claims description 4
- 230000001427 coherent effect Effects 0.000 claims description 3
- 239000011874 heated mixture Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 238000011179 visual inspection Methods 0.000 claims description 2
- 230000006735 deficit Effects 0.000 claims 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 13
- 229920000728 polyester Polymers 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 229920006347 Elastollan Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000008207 working material Substances 0.000 description 3
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/0052—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by leaching out of a compound, e.g. water soluble salts, fibres or fillers; obtained by freezing or sublimation; obtained by eliminating drops of sublimable fluid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
- D06N3/0093—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by applying resin powders; by sintering
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/62—Processes of molding porous films
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0609/67A GB1187040A (en) | 1966-03-07 | 1966-03-07 | Improvements relating to Water Vapour Permeable Flexible Sheet Materials. |
| GB997466 | 1966-03-07 | ||
| GB161067A GB1187032A (en) | 1966-03-07 | 1966-03-07 | Improvements relating to Microporous Flexible Sheet Materials. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1619281A1 true DE1619281A1 (de) | 1971-06-09 |
Family
ID=27253918
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671704904 Pending DE1704904A1 (de) | 1966-03-07 | 1967-03-07 | Verfahren zur Herstellung eines ikroporoesen,flexiblen Kunstleder-Folienmaterials |
| DE19671619281 Pending DE1619281A1 (de) | 1966-03-07 | 1967-03-07 | Wasserdampfdurchlaessiges Kunstleder-Folienmaterial und Verfahren zu seiner Herstellung |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671704904 Pending DE1704904A1 (de) | 1966-03-07 | 1967-03-07 | Verfahren zur Herstellung eines ikroporoesen,flexiblen Kunstleder-Folienmaterials |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3696180A (forum.php) |
| JP (1) | JPS5224081B1 (forum.php) |
| BE (1) | BE695136A (forum.php) |
| CH (1) | CH509148A (forum.php) |
| DE (2) | DE1704904A1 (forum.php) |
| ES (1) | ES337628A1 (forum.php) |
| GB (1) | GB1187040A (forum.php) |
| NL (2) | NL6703587A (forum.php) |
| SE (1) | SE357569B (forum.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328476B1 (forum.php) * | 1969-09-29 | 1978-08-15 | ||
| GB1398081A (en) * | 1971-06-02 | 1975-06-18 | Porvair Ltd | Method of making microporous polymer materials |
| US4203848A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Processes of making a porous membrane material from polyvinylidene fluoride, and products |
| US4203847A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Making porous membranes and the membrane products |
| US5571463A (en) * | 1996-02-09 | 1996-11-05 | Xerox Corporation | Method of fabricating a microporous surface blotter roll |
| US6054176A (en) * | 1997-07-22 | 2000-04-25 | Chifa Leather Corp. | Process for making PU air permeable nubuck sheets |
| US20170165893A1 (en) * | 2014-03-24 | 2017-06-15 | Toray Battery Separator Film Co., Ltd. | Production method of microporous plastic film |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123654A (en) * | 1964-03-03 | Manufacture of microporous plastic separators | ||
| CA639553A (en) * | 1962-04-10 | A. Johnston Robert | Microporous polymeric coatings as leather substitute | |
| US2542527A (en) * | 1942-10-17 | 1951-02-20 | Electric Storage Battery Co | Process of producing microporous material |
| US2707201A (en) * | 1951-05-05 | 1955-04-26 | Richardson Co | Porous storage battery separator and method of making |
| CH314298A (de) * | 1953-04-04 | 1956-06-15 | Koetitzer Ledertuch Und Wachst | Verfahren zur Herstellung eines wildlederartigen Kunstleders |
| GB743926A (en) * | 1953-05-18 | 1956-01-25 | Pritchett & Gold & E P S Co Ltd | Improvements relating to diaphragms for use in ion exchange processes |
| US2984869A (en) * | 1958-05-02 | 1961-05-23 | Pritchett & Gold & E P S Co | Improved method of producing micro-porous sheet |
| BE601705A (forum.php) * | 1960-03-23 | |||
| US3190765A (en) * | 1961-06-26 | 1965-06-22 | Du Pont | Vapor permeable sheet material and method of making same |
| US3296016A (en) * | 1963-10-31 | 1967-01-03 | Goodrich Co B F | Production of microporous coating on substrate |
| US3418168A (en) * | 1964-12-07 | 1968-12-24 | Grace W R & Co | Fuel cell with water removing means at cathode |
| US3414642A (en) * | 1966-03-11 | 1968-12-03 | Robinson Lewis And Rubin | Method of manufacturing ornamental plastic products |
-
1966
- 1966-03-07 GB GB0609/67A patent/GB1187040A/en not_active Expired
-
1967
- 1967-03-06 JP JP42013796A patent/JPS5224081B1/ja active Pending
- 1967-03-06 SE SE03065/67A patent/SE357569B/xx unknown
- 1967-03-06 ES ES337628A patent/ES337628A1/es not_active Expired
- 1967-03-07 DE DE19671704904 patent/DE1704904A1/de active Pending
- 1967-03-07 DE DE19671619281 patent/DE1619281A1/de active Pending
- 1967-03-07 NL NL6703587A patent/NL6703587A/xx unknown
- 1967-03-07 BE BE695136D patent/BE695136A/xx unknown
- 1967-03-07 NL NL6703586A patent/NL6703586A/xx unknown
- 1967-03-07 CH CH332767A patent/CH509148A/fr not_active IP Right Cessation
-
1970
- 1970-05-11 US US37399A patent/US3696180A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE357569B (forum.php) | 1973-07-02 |
| CH509148A (fr) | 1971-06-30 |
| BE695136A (forum.php) | 1967-09-07 |
| GB1187040A (en) | 1970-04-08 |
| US3696180A (en) | 1972-10-03 |
| DE1704904A1 (de) | 1971-05-19 |
| ES337628A1 (es) | 1968-03-01 |
| JPS5224081B1 (forum.php) | 1977-06-29 |
| NL6703587A (forum.php) | 1967-09-08 |
| NL6703586A (forum.php) | 1967-09-08 |
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