DE2161570C3 - Bindemittelzusammensetzung für Glasfasern - Google Patents
Bindemittelzusammensetzung für GlasfasernInfo
- Publication number
- DE2161570C3 DE2161570C3 DE2161570A DE2161570A DE2161570C3 DE 2161570 C3 DE2161570 C3 DE 2161570C3 DE 2161570 A DE2161570 A DE 2161570A DE 2161570 A DE2161570 A DE 2161570A DE 2161570 C3 DE2161570 C3 DE 2161570C3
- Authority
- DE
- Germany
- Prior art keywords
- binder
- urea
- resin
- phenol
- formaldehyde
- 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.)
- Expired
Links
- 239000011230 binding agent Substances 0.000 title claims description 69
- 239000000203 mixture Substances 0.000 title claims description 26
- 239000003365 glass fiber Substances 0.000 title claims 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 46
- 239000004202 carbamide Substances 0.000 claims description 46
- 239000007787 solid Substances 0.000 claims description 46
- 229920005989 resin Polymers 0.000 claims description 37
- 239000011347 resin Substances 0.000 claims description 37
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 33
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 20
- 229920001732 Lignosulfonate Polymers 0.000 claims description 19
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 11
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- 239000011575 calcium Substances 0.000 claims description 11
- 229920005550 ammonium lignosulfonate Polymers 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 6
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 5
- 239000012452 mother liquor Substances 0.000 claims 3
- 239000004606 Fillers/Extenders Substances 0.000 claims 2
- 239000000470 constituent Substances 0.000 claims 2
- 230000029087 digestion Effects 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 2
- 239000000047 product Substances 0.000 claims 2
- 238000007711 solidification Methods 0.000 claims 2
- 230000008023 solidification Effects 0.000 claims 2
- 229920001897 terpolymer Polymers 0.000 claims 2
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 claims 1
- 101100162210 Aspergillus parasiticus (strain ATCC 56775 / NRRL 5862 / SRRC 143 / SU-1) aflM gene Proteins 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 1
- 101100102500 Caenorhabditis elegans ver-1 gene Proteins 0.000 claims 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 1
- 241000256602 Isoptera Species 0.000 claims 1
- 239000004117 Lignosulphonate Substances 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000006227 byproduct Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000003517 fume Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 235000019357 lignosulphonate Nutrition 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 239000011343 solid material Substances 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 210000002700 urine Anatomy 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 239000002952 polymeric resin Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 5
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229920005551 calcium lignosulfonate Polymers 0.000 description 2
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- KWNRBBOCXBQQKR-UHFFFAOYSA-L barium(2+);dihydroxide;pentahydrate Chemical compound O.O.O.O.O.[OH-].[OH-].[Ba+2] KWNRBBOCXBQQKR-UHFFFAOYSA-L 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/34—Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
-
- 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
- C08L61/34—Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2904—Staple length fiber
- Y10T428/2907—Staple length fiber with coating or impregnation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
- Nonwoven Fabrics (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6019570A GB1293744A (en) | 1970-01-19 | 1970-01-19 | Fibreglass resin lignin coating |
| GB347571 | 1971-01-29 | ||
| GB3287771 | 1971-07-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2161570A1 DE2161570A1 (de) | 1972-06-29 |
| DE2161570B2 DE2161570B2 (de) | 1973-05-10 |
| DE2161570C3 true DE2161570C3 (de) | 1974-01-17 |
Family
ID=27254281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2161570A Expired DE2161570C3 (de) | 1970-12-18 | 1971-12-11 | Bindemittelzusammensetzung für Glasfasern |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3790442A (en, 2012) |
| JP (1) | JPS5113174B1 (en, 2012) |
| AT (1) | AT314704B (en, 2012) |
| AU (1) | AU3684871A (en, 2012) |
| BE (1) | BE777006A (en, 2012) |
| CA (1) | CA976288A (en, 2012) |
| DE (1) | DE2161570C3 (en, 2012) |
| FI (1) | FI53116C (en, 2012) |
| FR (1) | FR2119986B1 (en, 2012) |
| IT (1) | IT944056B (en, 2012) |
| NL (1) | NL7117235A (en, 2012) |
| NO (1) | NO133146C (en, 2012) |
| SE (1) | SE392476B (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931072A (en) * | 1972-08-24 | 1976-01-06 | Champion International Corporation | Particleboard, hardboard, and plywood produced in combination with a lignin sulfonate-phenol formaldehyde glue system |
| GB1439027A (en) * | 1973-07-18 | 1976-06-09 | Fibreglass Ltd | Manufacture of glass wool |
| US4177313A (en) * | 1978-11-28 | 1979-12-04 | Georgia-Pacific Corporation | Amine-modified lignosulfonate-extended phenol formaldehyde resins |
| US4413391A (en) * | 1982-08-02 | 1983-11-08 | Albany International Corp. | Resin containing textiles |
| USRE32408E (en) * | 1982-09-29 | 1987-04-28 | Masonite Corporation | Lignosulfonate-phenol-formaldehyde resin binder |
| US4423173A (en) * | 1982-09-29 | 1983-12-27 | Masonite Corporation | Lignosulfonate-phenol-formaldehyde resin binder |
| US4701383A (en) * | 1982-09-29 | 1987-10-20 | Masonite Corporation | Lignosulfonate-phenol-formaldehyde resin binder in sheet material and method of making said sheet material |
| US4559097A (en) * | 1982-09-29 | 1985-12-17 | Masonite Corporation | Method of bonding using a lignosulfonate-phenol-formaldehyde resin binder |
| DE3346153C2 (de) * | 1983-12-21 | 1994-04-07 | Deutsche Texaco Ag, 2000 Hamburg | Verfahren zur Herstellung von modifizierten Phenolharz-Holzbindemitteln und deren Anwendung zur Herstellung von Spanplatten |
| US5530048A (en) * | 1993-07-29 | 1996-06-25 | Georgia-Pacific Resins, Inc. | Phenolic resins for reinforced composites |
| FR2929953B1 (fr) | 2008-04-11 | 2011-02-11 | Saint Gobain Isover | Composition d'encollage pour fibres minerales et produits resultants |
| JP2021161596A (ja) * | 2020-03-31 | 2021-10-11 | 群栄化学工業株式会社 | 無機繊維用バインダー組成物及び無機繊維製品 |
| US12122943B2 (en) | 2021-02-03 | 2024-10-22 | Arclin Usa Llc | Blended furnish with improved performance and methods of making and using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336185A (en) * | 1966-03-18 | 1967-08-15 | Pittsburgh Plate Glass Co | Bonded glass fiber product and process of preparing same |
-
1971
- 1971-12-11 DE DE2161570A patent/DE2161570C3/de not_active Expired
- 1971-12-13 AT AT1070471A patent/AT314704B/de not_active IP Right Cessation
- 1971-12-14 AU AU36848/71A patent/AU3684871A/en not_active Expired
- 1971-12-15 US US00208400A patent/US3790442A/en not_active Expired - Lifetime
- 1971-12-16 SE SE7116174A patent/SE392476B/xx unknown
- 1971-12-16 CA CA130,321A patent/CA976288A/en not_active Expired
- 1971-12-16 NL NL7117235A patent/NL7117235A/xx not_active Application Discontinuation
- 1971-12-16 FI FI3582/71A patent/FI53116C/fi active
- 1971-12-17 NO NO714670A patent/NO133146C/no unknown
- 1971-12-17 FR FR7145560A patent/FR2119986B1/fr not_active Expired
- 1971-12-17 IT IT32528/71A patent/IT944056B/it active
- 1971-12-18 JP JP46103144A patent/JPS5113174B1/ja active Pending
- 1971-12-20 BE BE777006A patent/BE777006A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE777006A (fr) | 1972-04-17 |
| NL7117235A (en, 2012) | 1972-06-20 |
| FI53116C (en, 2012) | 1978-02-10 |
| DE2161570A1 (de) | 1972-06-29 |
| AT314704B (de) | 1974-04-25 |
| NO133146B (en, 2012) | 1975-12-08 |
| DE2161570B2 (de) | 1973-05-10 |
| FI53116B (en, 2012) | 1977-10-31 |
| CA976288A (en) | 1975-10-14 |
| AU3684871A (en) | 1973-06-21 |
| FR2119986A1 (en, 2012) | 1972-08-11 |
| JPS5113174B1 (en, 2012) | 1976-04-26 |
| NO133146C (no) | 1977-07-14 |
| AU465357B2 (en, 2012) | 1975-09-25 |
| FR2119986B1 (en, 2012) | 1976-03-26 |
| SE392476B (sv) | 1977-03-28 |
| US3790442A (en) | 1974-02-05 |
| IT944056B (it) | 1973-04-20 |
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