GB1575835A - Method of manufacturing a concentrate of fire-retarding foam-forming solid addition substance - Google Patents
Method of manufacturing a concentrate of fire-retarding foam-forming solid addition substance Download PDFInfo
- Publication number
- GB1575835A GB1575835A GB3836/77A GB383677A GB1575835A GB 1575835 A GB1575835 A GB 1575835A GB 3836/77 A GB3836/77 A GB 3836/77A GB 383677 A GB383677 A GB 383677A GB 1575835 A GB1575835 A GB 1575835A
- Authority
- GB
- United Kingdom
- Prior art keywords
- concentrate
- additives
- polymeric binder
- fire
- coating
- 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
- 239000000126 substance Substances 0.000 title claims description 27
- 239000012141 concentrate Substances 0.000 title claims description 23
- 239000007787 solid Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000000463 material Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 31
- 239000000654 additive Substances 0.000 claims description 22
- 239000011230 binding agent Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 14
- 239000008199 coating composition Substances 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 4
- 150000003077 polyols Chemical class 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 3
- 238000010137 moulding (plastic) Methods 0.000 claims description 3
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- TYJOJLOWRIQYQM-UHFFFAOYSA-L disodium;phenyl phosphate Chemical compound [Na+].[Na+].[O-]P([O-])(=O)OC1=CC=CC=C1 TYJOJLOWRIQYQM-UHFFFAOYSA-L 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000004640 Melamine resin Substances 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims 1
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- BOSMZFBHAYFUBJ-UHFFFAOYSA-N tris(4-methylphenyl) phosphate Chemical compound C1=CC(C)=CC=C1OP(=O)(OC=1C=CC(C)=CC=1)OC1=CC=C(C)C=C1 BOSMZFBHAYFUBJ-UHFFFAOYSA-N 0.000 claims 1
- YNIRKEZIDLCCMC-UHFFFAOYSA-K trisodium;phosphate;hydrate Chemical compound [OH-].[Na+].[Na+].[Na+].OP([O-])([O-])=O YNIRKEZIDLCCMC-UHFFFAOYSA-K 0.000 claims 1
- 229920006305 unsaturated polyester Polymers 0.000 claims 1
- 239000000843 powder Substances 0.000 description 13
- 238000007792 addition Methods 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 239000006260 foam Substances 0.000 description 4
- 239000010754 BS 2869 Class F Substances 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 239000004848 polyfunctional curative Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- -1 phosphorus compounds tri-p-cresylphosphate Chemical class 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- FWZSEUHIVNCNQJ-UHFFFAOYSA-N C(=O)(NC)NC.C1=CC(=CC=C1O)C Chemical compound C(=O)(NC)NC.C1=CC(=CC=C1O)C FWZSEUHIVNCNQJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- MGJKQDOBUOMPEZ-UHFFFAOYSA-N N,N'-dimethylurea Chemical compound CNC(=O)NC MGJKQDOBUOMPEZ-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- WMDDNKROYKCDJC-UHFFFAOYSA-N [4-[3-oxo-1-(4-phosphonooxyphenyl)-2-benzofuran-1-yl]phenyl] dihydrogen phosphate Chemical compound C1=CC(OP(O)(=O)O)=CC=C1C1(C=2C=CC(OP(O)(O)=O)=CC=2)C2=CC=CC=C2C(=O)O1 WMDDNKROYKCDJC-UHFFFAOYSA-N 0.000 description 1
- DPRMFUAMSRXGDE-UHFFFAOYSA-N ac1o530g Chemical compound NCCN.NCCN DPRMFUAMSRXGDE-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- XPXMKIXDFWLRAA-UHFFFAOYSA-N hydrazinide Chemical compound [NH-]N XPXMKIXDFWLRAA-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
- C09D5/185—Intumescent paints
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/24—Flameproof
-
- 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
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES444861A ES444861A1 (es) | 1976-02-03 | 1976-02-03 | Procedimiento para la fabricacion de polvos concentrados se-cos, formadores de espuma ignifuga. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575835A true GB1575835A (en) | 1980-10-01 |
Family
ID=8470851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3836/77A Expired GB1575835A (en) | 1976-02-03 | 1977-01-31 | Method of manufacturing a concentrate of fire-retarding foam-forming solid addition substance |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4123587A (enExample) |
| DE (1) | DE2704274C2 (enExample) |
| ES (1) | ES444861A1 (enExample) |
| FR (1) | FR2340340A1 (enExample) |
| GB (1) | GB1575835A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224799B1 (en) | 1995-03-24 | 2001-05-01 | John Gould | Method for new additive concentrates |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234639A (en) * | 1979-07-23 | 1980-11-18 | Minnesota Mining And Manufacturing Company | Intumescable fire-retardant products |
| US4307010A (en) * | 1980-01-17 | 1981-12-22 | Pennwalt Corporation | Zeolites as smoke suppressants for halogenated polymers |
| DE3009104C2 (de) * | 1980-03-10 | 1990-10-04 | Odenwald-Chemie GmbH, 6901 Schönau | Verwendung eines Epoxydharzes zur Herstellung von feuerhemmenden Schichten oder Überzügen und Verfahren zur Herstellung derselben |
| AU562150B2 (en) * | 1982-11-24 | 1987-05-28 | Blue Circle Industries Plc | Coated particulate fillers |
| SE435373B (sv) * | 1983-04-18 | 1984-09-24 | Perstorp Ab | Anvendning av finkornig pentaerytritol, dipentaerytritol eller en blandning av dessa foreningar som porbildande tillsatsmedel i porosa keramiska produkter |
| US4526906A (en) * | 1983-09-06 | 1985-07-02 | Wegner Development Company | Non-burning, non-dripping instant set microcellular polyurethanes |
| JPH0819412B2 (ja) * | 1990-02-14 | 1996-02-28 | 帝人化成株式会社 | 粒状難燃剤の製造方法 |
| AT399157B (de) * | 1990-11-30 | 1995-03-27 | Chemie Linz Gmbh | Feste flammhemmer-agglomerate für thermoplaste und verfahren zur flammhemmenden ausrüstung von thermoplasten |
| DE4040276A1 (de) * | 1990-12-17 | 1992-06-25 | Chemie Linz Deutschland | Feste flammhemmer-agglomerate fuer thermoplaste |
| DE59106623D1 (de) * | 1990-12-21 | 1995-11-09 | Chemie Linz Gmbh | Mikrokapseln aus Melamin und deren Verwendung zur flammhemmenden Ausrüstung von Kunststoffen. |
| AT250U1 (de) * | 1990-12-21 | 1995-06-26 | Chemie Linz Ges M B H Chemie L | Mikrokapseln aus melamin und deren verwendung zur flammhemmenden ausruestung von kunststoffen |
| US5375777A (en) * | 1993-03-17 | 1994-12-27 | Pehrson; Donald A. | Process for making a building material |
| DE10241375A1 (de) * | 2002-09-06 | 2004-03-18 | Clariant Gmbh | Granulare Flammschutzmittelzusammensetzung |
| DE102004026799B4 (de) * | 2004-06-02 | 2006-05-18 | Clariant Gmbh | Pressgranulierte Flammschutzmittelzusammensetzung, Verfahren zu deren Herstellung und deren Verwendung |
| GB2541196C (en) * | 2015-08-10 | 2022-07-06 | Acell Ind Ltd | Flame retardant matrix |
| DE102019129597A1 (de) | 2019-11-04 | 2021-05-06 | Semen Binder | Feuerhemmender Lack und Herstellungsverfahren dafür |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL288563A (enExample) * | 1962-02-23 | 1900-01-01 | ||
| DE1794271B2 (de) * | 1968-09-30 | 1974-07-25 | Chemische Fabrik Kalk Gmbh, 5000 Koeln | Flammschutzkomponente in Formmassen, Formteilen, Lacken, Filmen, Folien und Überzügen aus brennbaren Kunststoffen |
| US3968060A (en) * | 1973-08-22 | 1976-07-06 | Champion International Corporation | Encapsulated flame retardant system |
-
1976
- 1976-02-03 ES ES444861A patent/ES444861A1/es not_active Expired
-
1977
- 1977-01-31 GB GB3836/77A patent/GB1575835A/en not_active Expired
- 1977-02-01 FR FR7702752A patent/FR2340340A1/fr active Granted
- 1977-02-02 DE DE2704274A patent/DE2704274C2/de not_active Expired
- 1977-02-02 US US05/764,847 patent/US4123587A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224799B1 (en) | 1995-03-24 | 2001-05-01 | John Gould | Method for new additive concentrates |
Also Published As
| Publication number | Publication date |
|---|---|
| ES444861A1 (es) | 1977-09-01 |
| FR2340340B1 (enExample) | 1982-04-30 |
| DE2704274C2 (de) | 1982-02-25 |
| DE2704274A1 (de) | 1977-08-18 |
| FR2340340A1 (fr) | 1977-09-02 |
| US4123587A (en) | 1978-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |