DE3444539C2 - Stabilisierter roter Phosphor und Verfahren zum Stabilisieren von rotem Phosphor - Google Patents
Stabilisierter roter Phosphor und Verfahren zum Stabilisieren von rotem PhosphorInfo
- Publication number
- DE3444539C2 DE3444539C2 DE3444539A DE3444539A DE3444539C2 DE 3444539 C2 DE3444539 C2 DE 3444539C2 DE 3444539 A DE3444539 A DE 3444539A DE 3444539 A DE3444539 A DE 3444539A DE 3444539 C2 DE3444539 C2 DE 3444539C2
- Authority
- DE
- Germany
- Prior art keywords
- resin
- red phosphorus
- slurry
- titanium
- treated
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims description 11
- 230000008569 process Effects 0.000 title claims description 9
- 230000000087 stabilizing effect Effects 0.000 title description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229920005989 resin Polymers 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims abstract description 58
- 239000003822 epoxy resin Substances 0.000 claims abstract description 33
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 33
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 30
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 20
- 239000010936 titanium Substances 0.000 claims abstract description 20
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 claims abstract description 14
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 12
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 150000003609 titanium compounds Chemical class 0.000 claims description 6
- 239000004848 polyfunctional curative Substances 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract description 46
- 230000003647 oxidation Effects 0.000 abstract description 24
- 238000007254 oxidation reaction Methods 0.000 abstract description 24
- 229910000073 phosphorus hydride Inorganic materials 0.000 abstract description 23
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 13
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- 235000011007 phosphoric acid Nutrition 0.000 description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 239000004640 Melamine resin Substances 0.000 description 6
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 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 6
- 101150018444 sub2 gene Proteins 0.000 description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 4
- 229910001679 gibbsite Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 4
- 229910000348 titanium sulfate Inorganic materials 0.000 description 4
- 229910018626 Al(OH) Inorganic materials 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 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 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- -1 aliphatic polyols Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229920003180 amino resin Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical group C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- VGGLHLAESQEWCR-UHFFFAOYSA-N N-(hydroxymethyl)urea Chemical compound NC(=O)NCO VGGLHLAESQEWCR-UHFFFAOYSA-N 0.000 description 1
- 229920001213 Polysorbate 20 Polymers 0.000 description 1
- 229920003265 Resimene® Polymers 0.000 description 1
- 229910010298 TiOSO4 Inorganic materials 0.000 description 1
- USDJGQLNFPZEON-UHFFFAOYSA-N [[4,6-bis(hydroxymethylamino)-1,3,5-triazin-2-yl]amino]methanol Chemical compound OCNC1=NC(NCO)=NC(NCO)=N1 USDJGQLNFPZEON-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012757 flame retardant agent Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical class O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- KADRTWZQWGIUGO-UHFFFAOYSA-L oxotitanium(2+);sulfate Chemical compound [Ti+2]=O.[O-]S([O-])(=O)=O KADRTWZQWGIUGO-UHFFFAOYSA-L 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/003—Phosphorus
- C01B25/006—Stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000442810A CA1214314A (en) | 1983-12-08 | 1983-12-08 | Stabilization of red phosphorus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3444539A1 DE3444539A1 (de) | 1985-06-13 |
| DE3444539C2 true DE3444539C2 (de) | 1987-04-02 |
Family
ID=4126693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3444539A Expired DE3444539C2 (de) | 1983-12-08 | 1984-12-06 | Stabilisierter roter Phosphor und Verfahren zum Stabilisieren von rotem Phosphor |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS60141609A (no) |
| CA (1) | CA1214314A (no) |
| DE (1) | DE3444539C2 (no) |
| GB (1) | GB2150925B (no) |
| IT (1) | IT1179852B (no) |
| SE (1) | SE461332B (no) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1880538A (en) * | 1931-02-27 | 1932-10-04 | Coronet Phosphate Company | Protection of phosphorus |
| DE2249638B2 (de) * | 1972-10-11 | 1981-01-15 | Hoechst Ag, 6000 Frankfurt | Phlegmatisierter roter Phosphor |
| JPS51105996A (en) * | 1975-03-14 | 1976-09-20 | Phosphorus Chem Ind | Sekirinno kaishitsuhoho |
| US4208317A (en) * | 1975-06-10 | 1980-06-17 | Rhone-Poulenc Industries | Flameproofed plastic compositions |
| FR2314219A1 (fr) * | 1975-06-10 | 1977-01-07 | Rhone Poulenc Ind | Compositions destinees a l'ignifugation de matieres plastiques |
| FR2314221A1 (fr) * | 1975-06-10 | 1977-01-07 | Rhone Poulenc Ind | Compositions destinees a l'ignifugation de matieres plastiques |
| FR2344615A1 (fr) * | 1976-03-19 | 1977-10-14 | Rhone Poulenc Ind | Compositions destinees a l'ignifugation de matieres plastiques |
| JPS52125489A (en) * | 1976-04-08 | 1977-10-21 | Phosphorus Chem Ind | Method of reforming red phosphorus |
| JPS5949942B2 (ja) * | 1976-04-27 | 1984-12-05 | 日本化学工業株式会社 | 難燃化熱硬化性樹脂組成物 |
| DE2631532C2 (de) * | 1976-07-14 | 1984-09-13 | Hoechst Ag, 6230 Frankfurt | Stabilisierter pulverförmiger roter Phosphor sowie Verfahren zu seiner Herstellung |
| GB1526367A (en) * | 1976-10-12 | 1978-09-27 | Ici Ltd | Polypeptide |
| DE2647093C2 (de) * | 1976-10-19 | 1984-12-06 | Hoechst Ag, 6230 Frankfurt | Stabilisierter pulverförmiger roter Phosphor sowie Verfahren zu seiner Herstellung |
| JPS5420225A (en) * | 1977-07-15 | 1979-02-15 | Nissan Motor Co Ltd | Sucked air amount compensating device |
| JPS5439200A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Automatic vender |
| DE2813151A1 (de) * | 1978-03-25 | 1979-09-27 | Hoechst Ag | Stabilisierter roter phosphor |
| JPS5510462A (en) * | 1978-07-11 | 1980-01-24 | Nippon Chem Ind Co Ltd:The | Modified red phosphorus and production thereof |
| DE2945118C2 (de) * | 1979-11-08 | 1981-12-03 | Hoechst Ag, 6000 Frankfurt | Stabilisierter roter Phosphor sowie Verfahren zu seiner Herstellung |
| CA1178788A (en) * | 1982-06-29 | 1984-12-04 | Erco Industries Limited | Stabilization of red phosphorus |
-
1983
- 1983-12-08 CA CA000442810A patent/CA1214314A/en not_active Expired
-
1984
- 1984-11-21 GB GB08429424A patent/GB2150925B/en not_active Expired
- 1984-12-06 DE DE3444539A patent/DE3444539C2/de not_active Expired
- 1984-12-07 SE SE8406231A patent/SE461332B/sv not_active IP Right Cessation
- 1984-12-07 IT IT68221/84A patent/IT1179852B/it active
- 1984-12-08 JP JP59259867A patent/JPS60141609A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB8429424D0 (en) | 1985-01-03 |
| GB2150925A (en) | 1985-07-10 |
| CA1214314A (en) | 1986-11-25 |
| SE8406231D0 (sv) | 1984-12-07 |
| SE8406231L (sv) | 1985-06-09 |
| SE461332B (sv) | 1990-02-05 |
| GB2150925B (en) | 1987-09-30 |
| IT8468221A0 (it) | 1984-12-07 |
| DE3444539A1 (de) | 1985-06-13 |
| JPH0454613B2 (no) | 1992-08-31 |
| IT1179852B (it) | 1987-09-16 |
| IT8468221A1 (it) | 1986-06-07 |
| JPS60141609A (ja) | 1985-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0033361B1 (de) | Flammschutzmittel auf der Basis von Ammoniumpolyphosphaten | |
| DE69233403T2 (de) | Harze auf der Basis von Epihalohydrin mit verringertem Halogengehalt | |
| EP0028744B1 (de) | Stabilisierter roter Phosphor sowie Verfahren zu seiner Herstellung | |
| EP0283759B1 (de) | Stabilisierter roter Phosphor sowie Verfahren zu seiner Herstellung | |
| CH615445A5 (en) | Process for preparing paint binders | |
| DE3005252A1 (de) | Teilchenfoermiges mittel zur verhinderung der brennbarkeit von brennbaren stoffen | |
| DE1494070A1 (de) | Verfahren zur Behandlung mineralischer Materialien,die als Fuellstoffe fuer organische Materialien verwendet werden sollen | |
| DE1198950B (de) | Verfahren zur Verbesserung der Glanzhaltung und Kreidungsresistenz von Rutil-Pigmenten | |
| EP1211220B1 (de) | Stabilisierter roter Phosphor und ein Verfahren zu seiner Herstellung | |
| DE3444539C2 (de) | Stabilisierter roter Phosphor und Verfahren zum Stabilisieren von rotem Phosphor | |
| DE3875465T2 (de) | Verfahren zum haerten von aminoplastharzen. | |
| DE2620478C3 (de) | Verfahren zur Herstellung von Lösungen härtbarer Harnstoff-Formaldehydharze und deren Verwendung | |
| EP0054755B1 (de) | Verfahren zur Herstellung von lagerstabilen wässrigen Lösungen von Melamin-Formaldehydharzen | |
| US4489183A (en) | Stabilization of red phosphorus | |
| EP0176834B1 (de) | Stabilisierter und phlegmatisierter rieselfähiger roter Phosphor | |
| DE2626999A1 (de) | Waessrige aminoplastloesung | |
| EP0074519B2 (de) | Ammoniumsulfit als Härtungsbeschleuniger für wässrige Melaminharzlösungen | |
| EP0016327B1 (de) | Latenter Härter für Aminoplastharze, Verfahren zu seiner Herstellung und die den Härter enthaltenden Aminoplastharze | |
| EP0167960A2 (de) | Verfahren zur Herstellung von härtbaren veretherten Aminoplastharzen und deren Verwendung | |
| AT370119B (de) | Verfahren zur herstellung von lagerstabilen waessrigen loesungen von melamin-formaldehydharzen | |
| DE2163061C3 (de) | Verfahren zur Verbesserung der Lagerstabilität von Aminoplast-Leimharzen | |
| DE3323135C2 (de) | Stabilisierter roter Phosphor und Verfahren zu seiner Herstellung | |
| EP0094634A2 (de) | Diethanolaminsalz der Amidosulfonsäure als Härtungsbeschleuniger für Aminoplastharze | |
| DE3605124A1 (de) | Verfahren zur verringerung des freien formolgehaltes von kondensationsharzen auf formaldehydbasis und die damit erhaltenen harze | |
| DE3803213C1 (no) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8101 | Request for examination as to novelty | ||
| 8105 | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: TENNECO CANADA INC., TORONTO, ONTARIO, CA |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: BERENDT, T., DIPL.-CHEM. DR. LEYH, H., DIPL.-ING. DR.-ING. HERING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: KERN, W., DIPL.-ING. BREHM, H., DIPL.-CHEM. DR.PHIL.NAT. VOLPERT, M., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 81369 MUENCHEN |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: HANSMANN & VOGESER, 81369 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |