SE465310B - Process foer framstaellning av folie med porer - Google Patents
Process foer framstaellning av folie med porerInfo
- Publication number
- SE465310B SE465310B SE8406114A SE8406114A SE465310B SE 465310 B SE465310 B SE 465310B SE 8406114 A SE8406114 A SE 8406114A SE 8406114 A SE8406114 A SE 8406114A SE 465310 B SE465310 B SE 465310B
- Authority
- SE
- Sweden
- Prior art keywords
- process according
- polyethylene
- barium sulphate
- foil
- parts
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 239000011888 foil Substances 0.000 claims description 55
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 52
- 229920001684 low density polyethylene Polymers 0.000 claims description 28
- 239000004702 low-density polyethylene Substances 0.000 claims description 28
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 27
- 229920003023 plastic Polymers 0.000 claims description 27
- 239000004033 plastic Substances 0.000 claims description 27
- 229920000642 polymer Polymers 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 229920000098 polyolefin Polymers 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000011256 inorganic filler Substances 0.000 claims description 4
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000012963 UV stabilizer Substances 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 14
- 239000000945 filler Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 231100000225 lethality Toxicity 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4871—Underwear
- B29L2031/4878—Diapers, napkins
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Prostheses (AREA)
- Polymerisation Methods In General (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58236333A JPS60129240A (ja) | 1983-12-16 | 1983-12-16 | 多孔性フイルム及びその製造法 |
JP59040440A JPS60185803A (ja) | 1984-03-05 | 1984-03-05 | 使い捨ておむつ |
JP5357684A JPS60199036A (ja) | 1984-03-22 | 1984-03-22 | 多孔性フイルム及びその製造法 |
JP5357784A JPS60199037A (ja) | 1984-03-22 | 1984-03-22 | 多孔性フイルム及びその製造法 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8406114D0 SE8406114D0 (sv) | 1984-12-04 |
SE8406114L SE8406114L (sv) | 1985-06-17 |
SE465310B true SE465310B (sv) | 1991-08-26 |
Family
ID=27460900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8406114A SE465310B (sv) | 1983-12-16 | 1984-12-04 | Process foer framstaellning av folie med porer |
Country Status (12)
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114701A (ja) * | 1984-11-09 | 1986-06-02 | Terumo Corp | 平膜型透過性膜およびその製造方法 |
US4698372A (en) * | 1985-09-09 | 1987-10-06 | E. I. Du Pont De Nemours And Company | Microporous polymeric films and process for their manufacture |
JPS62138541A (ja) * | 1985-12-11 | 1987-06-22 | Mitsui Toatsu Chem Inc | 多孔性フイルム用樹脂組成物及びフイルム |
JPS62148537A (ja) * | 1985-12-23 | 1987-07-02 | Mitsui Toatsu Chem Inc | 多孔性フイルムの製造法 |
NZ218971A (en) * | 1986-01-21 | 1989-05-29 | Mitsui Toatsu Chemicals | Porous polyolefin films and their preparation |
CN1014794B (zh) * | 1986-07-16 | 1991-11-20 | 住友化学工业株式会社 | 透气膜及其制造方法 |
EP0259003A3 (en) * | 1986-08-04 | 1989-07-12 | REXENE PRODUCTS COMPANY (A Delaware Corporation) | Process for the manufacture of microporous film |
US4778634A (en) * | 1986-08-04 | 1988-10-18 | El Paso Products Company | Process for the manufacture of porous film |
JPS6341542A (ja) * | 1986-08-04 | 1988-02-22 | レクセン・プロダクツ・カンパニー | 微多孔性フイルム製造のための研磨方法 |
US4815714A (en) * | 1986-08-04 | 1989-03-28 | El Paso Products Company | Process for the manufacture of microporous film |
GB8723608D0 (en) * | 1987-10-08 | 1987-11-11 | Hercules Inc | Uniaxially oriented film |
US4923650A (en) * | 1988-07-27 | 1990-05-08 | Hercules Incorporated | Breathable microporous film and methods for making it |
CA2116081C (en) | 1993-12-17 | 2005-07-26 | Ann Louise Mccormack | Breathable, cloth-like film/nonwoven composite |
US5843057A (en) † | 1996-07-15 | 1998-12-01 | Kimberly-Clark Worldwide, Inc. | Film-nonwoven laminate containing an adhesively-reinforced stretch-thinned film |
USH1955H1 (en) | 1996-07-31 | 2001-04-03 | Exxon Chemical Patents Inc. | Polyolefin/filler films having increased WVTR and method for making |
US6258308B1 (en) | 1996-07-31 | 2001-07-10 | Exxon Chemical Patents Inc. | Process for adjusting WVTR and other properties of a polyolefin film |
US6776947B2 (en) | 1996-07-31 | 2004-08-17 | Exxonmobil Chemical Company | Process of adjusting WVTR of polyolefin film |
RU2140936C1 (ru) * | 1997-04-15 | 1999-11-10 | Ельяшевич Галина Казимировна | Микропористая полиэтиленовая пленка и способ ее получения |
CA2299440A1 (en) * | 1997-11-04 | 1999-05-14 | Chad M. Hedden | Textured, dimensionally stable microporous film and method of making same |
BE1012087A4 (fr) * | 1998-07-24 | 2000-04-04 | Age S A | Films microporeux polyolefiniques permeables aux gaz et impermeables aux liquides |
EP1121239B1 (en) | 1998-10-16 | 2003-09-17 | ExxonMobil Chemical Patents Inc. | Process for producing polyolefin microporous breathable film |
US6953510B1 (en) | 1998-10-16 | 2005-10-11 | Tredegar Film Products Corporation | Method of making microporous breathable film |
EP1208142A1 (en) * | 1999-04-22 | 2002-05-29 | Dunlop Tire Corporation | Vulcanizable elastomeric compositions for use as tire treads |
KR100338362B1 (ko) * | 1999-07-23 | 2002-05-30 | 유승렬 | 우수한 가공성 및 투습도를 갖는 통기성 필름용 조성물 |
DE10005685A1 (de) * | 2000-02-09 | 2001-08-23 | Sachtleben Chemie Gmbh | Bariumsulfat, Verfahren zu dessen Herstellung und dessen Verwendung |
JP5070660B2 (ja) * | 2000-10-30 | 2012-11-14 | 住友化学株式会社 | 多孔性フィルム、電池用セパレータおよび電池 |
KR20020066110A (ko) * | 2001-02-09 | 2002-08-14 | 주식회사 한진피앤씨 | 원적외선 방사 기능을 향상시킨 통기성 필름 |
DE10209698A1 (de) * | 2002-03-06 | 2003-09-18 | Sachtleben Chemie Gmbh | Verfahren zur Herstellung von gecoateten, feinteiligen, anorganischer Festkörpern und deren Verwendung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5417789B1 (enrdf_load_stackoverflow) * | 1969-04-25 | 1979-07-03 | ||
GB1310430A (en) * | 1970-12-29 | 1973-03-21 | Sekisui Chemical Co Ltd | Process for producing a synthetic resin sheet |
JPS5933138B2 (ja) * | 1977-09-22 | 1984-08-14 | 旭化成株式会社 | 無機充填剤配合フイルム |
US4265960A (en) * | 1978-12-26 | 1981-05-05 | Mobil Oil Corporation | Films produced from LDPE encapsulated CaCO3 |
JPS5932492B2 (ja) * | 1981-06-08 | 1984-08-09 | 東ソー株式会社 | 農業用フィルム |
EP0066672B1 (en) * | 1981-06-09 | 1987-09-02 | Mitsubishi Kasei Corporation | Process for producing porous film or sheet |
DE3306843A1 (de) * | 1982-03-02 | 1983-09-15 | Kao Corp., Tokyo | Absorbierendes erzeugnis |
-
1984
- 1984-12-03 AU AU36221/84A patent/AU551948B2/en not_active Ceased
- 1984-12-04 NZ NZ210433A patent/NZ210433A/en unknown
- 1984-12-04 SE SE8406114A patent/SE465310B/sv unknown
- 1984-12-11 CH CH5894/84A patent/CH666222A5/de not_active IP Right Cessation
- 1984-12-13 CA CA000470090A patent/CA1245026A/en not_active Expired
- 1984-12-13 GB GB08431524A patent/GB2151538B/en not_active Expired
- 1984-12-14 NO NO845047A patent/NO171456B/no unknown
- 1984-12-14 NL NLAANVRAGE8403798,A patent/NL187233C/xx not_active IP Right Cessation
- 1984-12-14 FR FR8419186A patent/FR2556648B1/fr not_active Expired
- 1984-12-14 DE DE19843445771 patent/DE3445771A1/de active Granted
- 1984-12-14 IT IT24069/84A patent/IT1179513B/it active
- 1984-12-15 KR KR1019840007995A patent/KR870001966B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO845047L (no) | 1985-06-17 |
NZ210433A (en) | 1987-05-29 |
NL187233C (nl) | 1991-07-16 |
IT8424069A0 (it) | 1984-12-14 |
FR2556648B1 (fr) | 1987-11-20 |
IT1179513B (it) | 1987-09-16 |
AU3622184A (en) | 1985-06-20 |
DE3445771C2 (enrdf_load_stackoverflow) | 1990-06-07 |
AU551948B2 (en) | 1986-05-15 |
GB8431524D0 (en) | 1985-01-23 |
KR870001966B1 (ko) | 1987-10-23 |
CA1245026A (en) | 1988-11-22 |
KR850004599A (ko) | 1985-07-25 |
NL8403798A (nl) | 1985-07-16 |
NL187233B (nl) | 1991-02-18 |
SE8406114L (sv) | 1985-06-17 |
GB2151538B (en) | 1987-04-29 |
GB2151538A (en) | 1985-07-24 |
DE3445771A1 (de) | 1985-07-04 |
FR2556648A1 (fr) | 1985-06-21 |
SE8406114D0 (sv) | 1984-12-04 |
NO171456B (no) | 1992-12-07 |
CH666222A5 (de) | 1988-07-15 |
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Legal Events
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NAL | Patent in force |
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