NO151369C - MICROPOROUS POLYMER BODIES, PROCEDURES FOR PREPARING THESE AND USING THESE. - Google Patents
MICROPOROUS POLYMER BODIES, PROCEDURES FOR PREPARING THESE AND USING THESE.Info
- Publication number
- NO151369C NO151369C NO772976A NO772976A NO151369C NO 151369 C NO151369 C NO 151369C NO 772976 A NO772976 A NO 772976A NO 772976 A NO772976 A NO 772976A NO 151369 C NO151369 C NO 151369C
- Authority
- NO
- Norway
- Prior art keywords
- diameter
- pores
- mean
- range
- polymer
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title abstract 7
- 238000000034 method Methods 0.000 title 1
- 239000011148 porous material Substances 0.000 abstract 6
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 abstract 2
- 239000004480 active ingredient Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 229920001169 thermoplastic Polymers 0.000 abstract 2
- FEPMHVLSLDOMQC-UHFFFAOYSA-N virginiamycin-S1 Natural products CC1OC(=O)C(C=2C=CC=CC=2)NC(=O)C2CC(=O)CCN2C(=O)C(CC=2C=CC=CC=2)N(C)C(=O)C2CCCN2C(=O)C(CC)NC(=O)C1NC(=O)C1=NC=CC=C1O FEPMHVLSLDOMQC-UHFFFAOYSA-N 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 239000003205 fragrance Substances 0.000 abstract 1
- 229920001519 homopolymer Polymers 0.000 abstract 1
- 239000002917 insecticide Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000000575 pesticide Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000003380 propellant Substances 0.000 abstract 1
- 239000011814 protection agent Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0018—Thermally induced processes [TIPS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/261—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/262—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N7/00—Shells for rollers of printing machines
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/149—Antislip compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/46—Impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/026—Sponge structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/02—Top layers
-
- 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
- C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
-
- 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
- C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
-
- 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
- C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
- C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Thermal Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Physics & Mathematics (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
A three-dimensional, microporous polymer cell structure has a multiplicity of essentially spherical microcells. These have a mean diameter C of 0.5 - 100 microns and are essentially uniformly distributed over the structure. Adjacent cells are connected to one another by pores. The diameter of these pores is smaller than that of the microcells. The pore size distribution corresponds to a sharpness factor S in the range from 1 - 30. The decimal logarithm of the ratio between the mean cell diameter C and the mean pore diameter P has a value in the range from 0.2 - 2.4, and the decimal logarithm of the ratio between the sharpness factor S and the mean cell diameter C has a value in the range from -1.4 to 1.0. The pores and the cells are empty, and the polymer is a synthetic thermoplastic polymer from the class consisting of homopolymers and copolymers of ethylenically unsaturated monomers, condensation polymers and oxidation polymers, or a mixture of synthetic thermoplastic polymers belonging to this class. A further three-dimensional, microporous polymer cell structure corresponds to the above-described polymer cell structure, but at least some of the cells and pores therein are filled with a liquid active ingredient. The liquid active ingredient can be a lubricant, a surfactant, a glidant, a pesticide, a plasticiser, a medicament, a propellant additive, a polish, an insect-protection agent (insecticide), a flameproofing agent, an antioxidant, an antifogging agent or a fragrance.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71854976A | 1976-08-30 | 1976-08-30 | |
US81435177A | 1977-07-11 | 1977-07-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO772976L NO772976L (en) | 1978-03-01 |
NO151369B NO151369B (en) | 1984-12-17 |
NO151369C true NO151369C (en) | 1985-03-27 |
Family
ID=27109924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO772976A NO151369C (en) | 1976-08-30 | 1977-08-29 | MICROPOROUS POLYMER BODIES, PROCEDURES FOR PREPARING THESE AND USING THESE. |
Country Status (22)
Country | Link |
---|---|
JP (2) | JPS5329367A (en) |
AR (1) | AR220685A1 (en) |
AT (1) | AT375665B (en) |
AU (1) | AU511101B2 (en) |
BR (1) | BR7705790A (en) |
CA (1) | CA1110811A (en) |
CH (1) | CH649565A5 (en) |
DD (1) | DD140052A5 (en) |
DE (1) | DE2737745C2 (en) |
DK (1) | DK171108B1 (en) |
ES (2) | ES461970A1 (en) |
FI (1) | FI68639C (en) |
FR (1) | FR2362890A1 (en) |
GB (1) | GB1576228A (en) |
GR (1) | GR64881B (en) |
IT (1) | IT1143677B (en) |
MX (1) | MX148613A (en) |
NL (1) | NL7709505A (en) |
NO (1) | NO151369C (en) |
PL (1) | PL111017B1 (en) |
SE (1) | SE441928B (en) |
TR (1) | TR19643A (en) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT380179B (en) * | 1978-07-31 | 1986-04-25 | Akzo Nv | METHOD FOR PRODUCING A MEMBRANE WITH A POROESIC STRUCTURE IN THE FORM OF A COLLAR |
DE2916581C2 (en) * | 1979-04-24 | 1982-09-23 | Akzo Gmbh, 5600 Wuppertal | Sheathing for electrical conductors and waveguides |
CA1202837A (en) * | 1980-03-14 | 1986-04-08 | Wolfgang J. Wrasidlo | Asymmetric membranes and process therefor |
JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
DE3026688C2 (en) * | 1980-07-15 | 1986-02-20 | Akzo Gmbh, 5600 Wuppertal | Process for the production of powdery, porous polymer particles |
DE3026762C2 (en) * | 1980-07-15 | 1985-04-25 | Akzo Gmbh, 5600 Wuppertal | Process for the production of porous, pulverulent polypropylene and use of the process products |
DE3049557A1 (en) * | 1980-12-31 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | POROESE TUBES |
DE3049558A1 (en) * | 1980-12-31 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | UNDERGROUND IRRIGATION OR DRINKING OF SOIL |
NZ199916A (en) * | 1981-03-11 | 1985-07-12 | Unilever Plc | Low density polymeric block material for use as carrier for included liquids |
CA1196620A (en) * | 1981-06-26 | 1985-11-12 | Donald Barby | Substrate carrying a porous polymeric material |
DE3129064A1 (en) * | 1981-07-23 | 1983-02-10 | Akzo Gmbh, 5600 Wuppertal | Method and device for the oxygenation of blood |
JPS5829839A (en) * | 1981-08-13 | 1983-02-22 | Mitsubishi Plastics Ind Ltd | Production of microporous membrane |
DE3205289C2 (en) * | 1982-02-15 | 1984-10-31 | Akzo Gmbh, 5600 Wuppertal | Process for the production of porous bodies with adjustable total pore volume, adjustable pore size and adjustable pore wall |
DE3214667C2 (en) * | 1982-04-21 | 1985-07-18 | Akzo Gmbh, 5600 Wuppertal | Composite body for the long-term delivery of active ingredients |
DE3215211A1 (en) * | 1982-04-23 | 1983-10-27 | Akzo Gmbh | MICROPOROISIS POWDER LOADED WITH ACTIVE SUBSTANCES |
JPS5931701A (en) * | 1982-08-16 | 1984-02-20 | Nitto Electric Ind Co Ltd | Membrane containing liquid active substance and its preparation |
US4490431A (en) * | 1982-11-03 | 1984-12-25 | Akzona Incorporated | 0.1 Micron rated polypropylene membrane and method for its preparation |
DE3304951A1 (en) * | 1983-02-12 | 1984-08-16 | Akzo Gmbh, 5600 Wuppertal | DEVICE FOR FILTERING A LIQUID |
DE3327638C2 (en) * | 1983-07-30 | 1986-08-07 | Akzo Gmbh, 5600 Wuppertal | Method and device for the production of shaped bodies having pores |
EP0133882B1 (en) * | 1983-07-30 | 1990-04-04 | Akzo Patente GmbH | Moulded articles with pores |
NL8400516A (en) * | 1984-02-17 | 1985-09-16 | Naarden International Nv | METHOD FOR PREPARING AIR FRESHENING GELS |
GB8405680D0 (en) * | 1984-03-05 | 1984-04-11 | Unilever Plc | Porous polymers |
DE3426122A1 (en) * | 1984-07-16 | 1986-01-23 | Henkel KGaA, 4000 Düsseldorf | HAIR TREATMENT TOOL |
DE3610548A1 (en) * | 1986-03-27 | 1987-10-01 | Sick Optik Elektronik Erwin | METHOD AND DEVICE FOR WATERING BOATS |
DE3624363C2 (en) * | 1986-07-18 | 1995-06-08 | Akzo Gmbh | Device for separating gas bubbles from infusion liquids or liquids from the human body |
US4726989A (en) † | 1986-12-11 | 1988-02-23 | Minnesota Mining And Manufacturing | Microporous materials incorporating a nucleating agent and methods for making same |
GB8709688D0 (en) | 1987-04-24 | 1987-05-28 | Unilever Plc | Porous material |
US4867881A (en) * | 1987-09-14 | 1989-09-19 | Minnesota Minning And Manufacturing Company | Orientied microporous film |
DE3829766A1 (en) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | METHOD FOR PRODUCING MEMBRANES |
GB8916776D0 (en) * | 1989-07-21 | 1989-09-06 | Wilson Robert W | Slow release chemicals |
CH685878A5 (en) * | 1993-12-08 | 1995-10-31 | Brugg Ag Kabelwerke | Process for the preparation of an additive-loaded porous Traegermaterials |
EP0699710A3 (en) * | 1994-09-01 | 1996-06-26 | Bridgestone Corp | Polymeric reticulated structure and method for making |
US5571415A (en) * | 1994-11-02 | 1996-11-05 | Rohm And Haas Company | Method for preparing porous polymer structures |
DE19700760C2 (en) * | 1997-01-11 | 2000-11-09 | Microdyn Modulbau Gmbh & Co Kg | Process for producing porous molded articles from thermoplastic polymers, porous molded articles and use of the molded articles |
US6376046B1 (en) | 1997-01-31 | 2002-04-23 | Kao Corporation | Cleaning article impregnated with detergent |
JP4791632B2 (en) * | 1997-07-23 | 2011-10-12 | メムブラーナ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Integrated asymmetric polyolefin membrane for gas exchange |
DE19751031A1 (en) * | 1997-11-19 | 1999-06-24 | Ingo Dipl Ing Heschel | Process for the production of porous structures |
DE50003895D1 (en) * | 1999-01-21 | 2003-11-06 | Membrana Gmbh | INTEGRAL ASYMMETRICAL POLYOLEFINE MEMBRANE |
EP1140331B1 (en) * | 1999-01-22 | 2003-01-02 | Membrana GmbH | Method for producing an integrally asymmetrical polyolefin membrane |
US7247602B2 (en) | 2000-10-26 | 2007-07-24 | Adjuvants Plus Inc. | Agrochemical formulation aid composition and uses thereof |
CA2324677A1 (en) | 2000-10-26 | 2002-04-26 | James F. Stewart | Agrochemical formulation aid |
JP4217627B2 (en) | 2002-01-24 | 2009-02-04 | メムブラーナ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Manufacturing method of polyolefin film having integral asymmetric structure |
DE10220038A1 (en) * | 2002-05-04 | 2003-11-20 | Membrana Gmbh | Process for producing foamed polymer moldings and foamed polymer moldings |
JP4016712B2 (en) * | 2002-05-13 | 2007-12-05 | 株式会社ジーエス・ユアサコーポレーション | Lithium ion conductive polymer electrolyte and polymer electrolyte battery using the same |
JP5414020B2 (en) * | 2007-06-22 | 2014-02-12 | 国立大学法人大阪大学 | Method of dissolving (meth) acrylic ester polymer in liquid |
CA2745612A1 (en) * | 2008-12-04 | 2010-06-10 | The University Of Akron | Polymer composition and dialysis membrane formed from the polymer composition |
EP2196254B1 (en) | 2008-12-12 | 2011-10-12 | Membrana GmbH | Hydrophobic ozone-stable PVDF membrane with high mechanical stability |
WO2013069681A1 (en) * | 2011-11-08 | 2013-05-16 | 株式会社カネカ | Vinyl chloride-based copolymer porous body and method for producing same |
KR102205185B1 (en) | 2013-05-29 | 2021-01-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Microporous polyvinylidene fluoride membrane |
TWI669152B (en) | 2014-11-03 | 2019-08-21 | 美商3M新設資產公司 | Microporous polyvinylidene fluoride flat membrane and producing method thereof |
WO2016081992A1 (en) * | 2014-11-25 | 2016-06-02 | Deakin University | Absorbent material |
DE102016214304A1 (en) | 2015-08-05 | 2017-02-09 | Tesa Se | Microcellular emulsion foams |
EP3421117A1 (en) | 2017-06-28 | 2019-01-02 | 3M Innovative Properties Company | Polyamide flat sheet membranes with microporous surface structure for nanoparticle retention |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3055297A (en) * | 1957-01-14 | 1962-09-25 | Johnson & Son Inc S C | Microporous synthetic resin material |
GB938694A (en) * | 1959-06-02 | 1963-10-02 | Electric Storage Battery Co | Improvements relating to microporous thermoplastic resinous materials |
US3378507A (en) * | 1961-12-20 | 1968-04-16 | Gen Electric | Producing microporous polymers |
US3308073A (en) * | 1962-04-09 | 1967-03-07 | Phillips Petroleum Co | Porous polyolefin objects |
NL6408338A (en) * | 1963-07-26 | 1965-01-27 | ||
US3367891A (en) * | 1965-12-15 | 1968-02-06 | Koppers Co Inc | Permeable foamed styrene polymer |
US3607793A (en) * | 1968-02-23 | 1971-09-21 | Hercules Inc | Process for forming porous structures |
US3565982A (en) * | 1968-05-17 | 1971-02-23 | Usm Corp | Process of making microporous sheets |
GB1345944A (en) * | 1970-12-03 | 1974-02-06 | Du Pont | Foamed materials |
BE787932A (en) * | 1971-09-13 | 1973-02-26 | Bristol Myers Co | PRODUCTS SUCH AS BUFFERS, FOR CLEANING OR OTHER USES AND LIQUID COMPOSITIONS FOR PREPARING THESE PRODUCTS |
US3945926A (en) * | 1971-10-18 | 1976-03-23 | Chemical Systems, Inc. | Integral microporous high void volume polycarbonate membranes and a dry process for forming same |
JPS5439867B2 (en) * | 1972-02-24 | 1979-11-30 | ||
JPS572739B2 (en) * | 1972-05-13 | 1982-01-18 | ||
JPS4924267A (en) * | 1972-06-26 | 1974-03-04 | ||
JPS49108172A (en) * | 1973-02-17 | 1974-10-15 | ||
CA1050187A (en) * | 1974-01-24 | 1979-03-06 | James W. Stoll | Solid antistatic polymer compositions |
NL7407255A (en) * | 1974-05-30 | 1975-12-02 | Stamicarbon | POROUS POLYMER STRUCTURES. |
JPS5120561A (en) * | 1974-08-09 | 1976-02-18 | Toyo Communication Equip | DOSURUUHOORUPURINTOHAISENBANNO SEIZOHOHO |
-
1977
- 1977-07-26 DK DK337477A patent/DK171108B1/en not_active IP Right Cessation
- 1977-07-28 SE SE7708653A patent/SE441928B/en not_active IP Right Cessation
- 1977-08-19 CA CA285,080A patent/CA1110811A/en not_active Expired
- 1977-08-19 AU AU28063/77A patent/AU511101B2/en not_active Expired
- 1977-08-22 DE DE2737745A patent/DE2737745C2/en not_active Expired
- 1977-08-26 JP JP10248677A patent/JPS5329367A/en active Granted
- 1977-08-26 FI FI772552A patent/FI68639C/en not_active IP Right Cessation
- 1977-08-26 GB GB35889/77A patent/GB1576228A/en not_active Expired
- 1977-08-29 AR AR268988A patent/AR220685A1/en active
- 1977-08-29 GR GR54253A patent/GR64881B/en unknown
- 1977-08-29 NL NL7709505A patent/NL7709505A/en unknown
- 1977-08-29 CH CH10518/77A patent/CH649565A5/en not_active IP Right Cessation
- 1977-08-29 FR FR7726158A patent/FR2362890A1/en active Granted
- 1977-08-29 NO NO772976A patent/NO151369C/en unknown
- 1977-08-30 MX MX170404A patent/MX148613A/en unknown
- 1977-08-30 DD DD77200810A patent/DD140052A5/en unknown
- 1977-08-30 IT IT27089/77A patent/IT1143677B/en active
- 1977-08-30 BR BR7705790A patent/BR7705790A/en unknown
- 1977-08-30 AT AT0627277A patent/AT375665B/en not_active IP Right Cessation
- 1977-08-30 ES ES461970A patent/ES461970A1/en not_active Expired
- 1977-08-30 PL PL1977200533A patent/PL111017B1/en unknown
-
1978
- 1978-07-14 ES ES471772A patent/ES471772A1/en not_active Expired
-
1979
- 1979-08-25 TR TR19643A patent/TR19643A/en unknown
-
1990
- 1990-09-27 JP JP2258801A patent/JPH03205435A/en active Granted
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