DE2829669C3 - Harzbindemittel mit lagerstabilen Haftvermittlern - Google Patents
Harzbindemittel mit lagerstabilen HaftvermittlernInfo
- Publication number
- DE2829669C3 DE2829669C3 DE2829669A DE2829669A DE2829669C3 DE 2829669 C3 DE2829669 C3 DE 2829669C3 DE 2829669 A DE2829669 A DE 2829669A DE 2829669 A DE2829669 A DE 2829669A DE 2829669 C3 DE2829669 C3 DE 2829669C3
- Authority
- DE
- Germany
- Prior art keywords
- aminosilanes
- resins
- adhesion
- mixed
- thermosetting
- 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
- 229920005989 resin Polymers 0.000 title claims description 43
- 239000011347 resin Substances 0.000 title claims description 43
- 239000011230 binding agent Substances 0.000 title claims description 14
- 239000002318 adhesion promoter Substances 0.000 title claims description 5
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 27
- 229920001187 thermosetting polymer Polymers 0.000 claims description 17
- 229920001568 phenolic resin Polymers 0.000 claims description 15
- 239000005011 phenolic resin Substances 0.000 claims description 12
- 150000004756 silanes Chemical class 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 229910000077 silane Inorganic materials 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004634 thermosetting polymer Substances 0.000 claims description 3
- 239000007849 furan resin Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 229910052710 silicon Inorganic materials 0.000 claims 4
- 125000004429 atom Chemical group 0.000 claims 3
- 239000003365 glass fiber Substances 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 125000003277 amino group Chemical group 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 125000001841 imino group Chemical group [H]N=* 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 18
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000004576 sand Substances 0.000 description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004848 polyfunctional curative Substances 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SBMYBOVJMOVVQW-UHFFFAOYSA-N 2-[3-[[4-(2,2-difluoroethyl)piperazin-1-yl]methyl]-4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound FC(CN1CCN(CC1)CC1=NN(C=C1C=1C=NC(=NC=1)NC1CC2=CC=CC=C2C1)CC(=O)N1CC2=C(CC1)NN=N2)F SBMYBOVJMOVVQW-UHFFFAOYSA-N 0.000 description 1
- PCBBFBGAMORFML-UHFFFAOYSA-N 3-(2-silyloxyethoxy)propan-1-amine Chemical compound NCCCOCCO[SiH3] PCBBFBGAMORFML-UHFFFAOYSA-N 0.000 description 1
- GGZBCIDSFGUWRA-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]-n-methylpropan-1-amine Chemical compound CNCCC[Si](C)(OC)OC GGZBCIDSFGUWRA-UHFFFAOYSA-N 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 229910017897 NH4 NO3 Inorganic materials 0.000 description 1
- 241000212342 Sium Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- FIRQYUPQXNPTKO-UHFFFAOYSA-N ctk0i2755 Chemical class N[SiH2]N FIRQYUPQXNPTKO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- DTPZJXALAREFEY-UHFFFAOYSA-N n-methyl-3-triethoxysilylpropan-1-amine Chemical compound CCO[Si](OCC)(OCC)CCCNC DTPZJXALAREFEY-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/205—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of organic silicon or metal compounds, other organometallic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Mold Materials And Core Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Silicon Polymers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2829669A DE2829669C3 (de) | 1978-07-06 | 1978-07-06 | Harzbindemittel mit lagerstabilen Haftvermittlern |
| DE7979101054T DE2967148D1 (en) | 1978-07-06 | 1979-04-06 | Resin binders with storable alkyl substituted organo amino silanes as adhesive agents |
| EP79101054A EP0006973B1 (de) | 1978-07-06 | 1979-04-06 | Harzbindemittel mit lagerstabilen alkylsubstituierten Organoaminosilanen als Haftvermittlern |
| US06/054,520 US4256623A (en) | 1978-07-06 | 1979-07-03 | Binding agents prepared from resins containing adhesivizing agents of long shelf life |
| DK284479A DK160262C (da) | 1978-07-06 | 1979-07-05 | Harpiksbindemiddel med lagringsstabile alkylsubstituerede organoaminosilaner som adhaesionsformidlere |
| CA000331201A CA1157184A (en) | 1978-07-06 | 1979-07-05 | Binding agents prepared from resins containing adhesivizing agents of long shelf life |
| NO792245A NO151709C (no) | 1978-07-06 | 1979-07-05 | Fenol- eller furanharpiks-bindemiddel inneholdende aminosilaner som klebeformidlere |
| JP8513779A JPS5512190A (en) | 1978-07-06 | 1979-07-06 | Bonding agent for inorganic oxidizable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2829669A DE2829669C3 (de) | 1978-07-06 | 1978-07-06 | Harzbindemittel mit lagerstabilen Haftvermittlern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2829669A1 DE2829669A1 (de) | 1980-01-17 |
| DE2829669B2 DE2829669B2 (de) | 1980-08-21 |
| DE2829669C3 true DE2829669C3 (de) | 1981-04-16 |
Family
ID=6043676
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2829669A Expired DE2829669C3 (de) | 1978-07-06 | 1978-07-06 | Harzbindemittel mit lagerstabilen Haftvermittlern |
| DE7979101054T Expired DE2967148D1 (en) | 1978-07-06 | 1979-04-06 | Resin binders with storable alkyl substituted organo amino silanes as adhesive agents |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7979101054T Expired DE2967148D1 (en) | 1978-07-06 | 1979-04-06 | Resin binders with storable alkyl substituted organo amino silanes as adhesive agents |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005056792A1 (de) * | 2005-11-28 | 2007-05-31 | Saint-Gobain Isover G+H Ag | Formaldehydfreies Phenolharzbindemittel |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626560A (en) * | 1981-10-08 | 1986-12-02 | Union Carbide Corporation | Novel binding agent compositions, foundry sand compositions and ureido functional organosilicon compounds |
| US4374237A (en) * | 1981-12-21 | 1983-02-15 | Union Carbide Corporation | Silane-containing isocyanate-terminated polyurethane polymers |
| US4474904A (en) * | 1982-01-21 | 1984-10-02 | Lemon Peter H R B | Foundry moulds and cores |
| USRE32812E (en) * | 1982-01-21 | 1988-12-27 | Borden (Uk) Limited | Foundry moulds and cores |
| US4782102A (en) * | 1982-12-27 | 1988-11-01 | Union Carbide Corporation | Novel organofunctional silanes containing hindered group |
| GB8609909D0 (en) * | 1986-04-23 | 1986-05-29 | Borden Uk Ltd | Manufacture of frictional elements |
| US5190993A (en) * | 1988-04-08 | 1993-03-02 | Borden, Inc. | Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin using an aminosilane solution |
| US5234973A (en) * | 1988-04-08 | 1993-08-10 | Acme Resin Corporation | Compositions for foundry molding processes utilizing reclaimed sand |
| BR8806482A (pt) * | 1988-04-08 | 1990-07-31 | Acme Resin Corp | Processo para producao de artigo modelado com areia aglutinada com resina; processo para producao de agregados de areia; solucao aglutinante; e composicao de mistura mestra |
| US5238976A (en) * | 1990-06-15 | 1993-08-24 | Borden, Inc. | Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin |
| DE4324384A1 (de) * | 1993-07-21 | 1995-01-26 | Huels Chemische Werke Ag | Haftvermittler für Ester-härtende Harzbindemittel für die Gießereiindustrie |
| US20070039703A1 (en) * | 2005-08-19 | 2007-02-22 | Lee Jerry H | Wet formed mat having improved hot wet tensile strengths |
| CN104690214A (zh) * | 2015-02-04 | 2015-06-10 | 繁昌县金科机电科技有限公司 | 一种添加多种树脂的热法用覆膜砂及其制备方法 |
| CN104690215A (zh) * | 2015-02-04 | 2015-06-10 | 繁昌县金科机电科技有限公司 | 一种添加增效剂的铸造用覆膜砂及其制备方法 |
| EP4035649B1 (en) * | 2017-05-15 | 2023-07-26 | 3M Innovative Properties Company | Dental adhesive composition |
| CN118619691B (zh) * | 2024-05-23 | 2024-11-12 | 巩义市第五耐火材料有限公司 | 一种微孔刚玉砖及其制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832754A (en) * | 1955-01-21 | 1958-04-29 | Union Carbide Corp | Alkoxysilylpropylamines |
| GB1008462A (en) | 1960-08-18 | 1965-10-27 | Union Carbide Corp | Improvements in and relating to organosilicon compounds |
| US3234159A (en) * | 1961-05-15 | 1966-02-08 | Dow Chemical Co | Phenolic resins containing amino-functional silanes for use in cements and binder compositions |
| US3259518A (en) * | 1962-03-15 | 1966-07-05 | Union Carbide Corp | Inorganic oxide materials coated with monoepoxide-aminoalkylsilicon compound adducts |
| DE1252853B (de) * | 1965-06-26 | 1967-10-26 | Dr Arno Mueller | Bindemittel fuer Giessereisande |
| US3403721A (en) * | 1966-06-13 | 1968-10-01 | Ashland Oil Inc | Tensile strengths of certain sand cores |
| US3847860A (en) * | 1969-10-29 | 1974-11-12 | Dynamit Nobel Ag | Adhesive agents comprising phenolic resins and a mixture of silanes |
| US3646999A (en) * | 1970-05-20 | 1972-03-07 | Shell Oil Co | Epoxy resin sand consolidation rejuvenation |
| US3734936A (en) * | 1971-02-03 | 1973-05-22 | Quaker Oats Co | Process of producing a foundry core composition |
| US3745139A (en) * | 1971-05-03 | 1973-07-10 | Ashland Oil Inc | Foundry processes and products |
| US4111253A (en) * | 1972-08-21 | 1978-09-05 | The White Sea & Baltic Company Limited | Foundry processes and compositions |
| DE2254117C2 (de) * | 1972-11-04 | 1984-08-02 | Dynamit Nobel Ag, 5210 Troisdorf | N-substituierte β-Aminoethylsilane und deren Verwendung |
| GB1462366A (en) * | 1973-06-28 | 1977-01-26 | Dow Corning Ltd | Process for manufacture of moulds and cores |
| US4083817A (en) * | 1977-06-15 | 1978-04-11 | The Quaker Oats Company | Blends of furan-aldehyde resins with phenolic resins and molded articles produced therefrom |
-
1978
- 1978-07-06 DE DE2829669A patent/DE2829669C3/de not_active Expired
-
1979
- 1979-04-06 EP EP79101054A patent/EP0006973B1/de not_active Expired
- 1979-04-06 DE DE7979101054T patent/DE2967148D1/de not_active Expired
- 1979-07-03 US US06/054,520 patent/US4256623A/en not_active Expired - Lifetime
- 1979-07-05 DK DK284479A patent/DK160262C/da not_active IP Right Cessation
- 1979-07-05 NO NO792245A patent/NO151709C/no unknown
- 1979-07-05 CA CA000331201A patent/CA1157184A/en not_active Expired
- 1979-07-06 JP JP8513779A patent/JPS5512190A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005056792A1 (de) * | 2005-11-28 | 2007-05-31 | Saint-Gobain Isover G+H Ag | Formaldehydfreies Phenolharzbindemittel |
| DE102005056792B4 (de) * | 2005-11-28 | 2008-06-19 | Saint-Gobain Isover G+H Ag | Zusammensetzung für formaldehydfreies Phenolharzbindemittel und deren Verwendung |
Also Published As
| Publication number | Publication date |
|---|---|
| US4256623A (en) | 1981-03-17 |
| NO792245L (no) | 1980-01-08 |
| NO151709C (no) | 1985-05-22 |
| NO151709B (no) | 1985-02-11 |
| DK160262C (da) | 1991-07-22 |
| DK284479A (da) | 1980-01-07 |
| DK160262B (da) | 1991-02-18 |
| DE2829669B2 (de) | 1980-08-21 |
| JPS6315312B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-04-04 |
| DE2829669A1 (de) | 1980-01-17 |
| EP0006973A1 (de) | 1980-01-23 |
| DE2967148D1 (en) | 1984-09-06 |
| JPS5512190A (en) | 1980-01-28 |
| EP0006973B1 (de) | 1984-08-01 |
| CA1157184A (en) | 1983-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2829669C3 (de) | Harzbindemittel mit lagerstabilen Haftvermittlern | |
| DE3888356T2 (de) | Modifiziermittel für wässrige basische lösungen von phenolischen resolharzen. | |
| DE1247625B (de) | Verwendung organischer Siliziumverbindungen als Zusatz zu organischen Bindern zur Bindung anorganischer Massen auf Siliziumbasis | |
| DE2428493A1 (de) | Tertiaeres phenol-formaldehyd-silankondensationsprodukt verfahren zu dessen herstellung und dessen verwendung | |
| DE1252853B (de) | Bindemittel fuer Giessereisande | |
| DE2745270C3 (de) | Zusatz zu hydraulischen Zementmischungen | |
| DE2710336A1 (de) | Bindemittel fuer die giesserei aus monomeren furfurylalkohol und resorcin | |
| DE69114831T2 (de) | Fliessfähigkeit verbesserndes mittel, verfahren zu seiner herstellung und seine verwendung. | |
| DE1595817B2 (de) | Verfahren zur herstellung von wasservertraeglichen bindemitteln fuer feststoffteilchen | |
| DE2420851C2 (de) | Verfahren zur Verbesserung der Haftung zwischen anorganischen, oxidischen und/oder metallischen Oberflächen und organischen Bindemitteln unter Verwendung von organofunktionellen Siliciumverbindungen | |
| DE2657817B2 (de) | Verfahren zur Herstellung von gehärteten Formkörpern aus einer selbsthärtenden Formmasse | |
| DE1954354C3 (de) | Haftmittel | |
| DE2524199B2 (de) | Verfahren zur herstellung von warmgehaerteten formteilen aus zement | |
| DE1608038A1 (de) | Kalthaertende Kunstharzbinder fuer Giessereisande | |
| EP0016327B1 (de) | Latenter Härter für Aminoplastharze, Verfahren zu seiner Herstellung und die den Härter enthaltenden Aminoplastharze | |
| DE3212107C1 (de) | Alterungsstabilisierte Harnstoffharzformmassen | |
| DE3225707A1 (de) | Formmasse aus hydraulischen bindemitteln und polymerfibrillen | |
| DE2430951A1 (de) | Verfahren zur herstellung von giessformen und -kernen | |
| DE2416149A1 (de) | Harzgebundenes rohr und verfahren zu dessen herstellung | |
| EP0019040A1 (de) | Verfahren zum Härten von Harnstoffharz-Formmassen und Harnstoffharz-Formmassen | |
| DE1769344A1 (de) | Kunstharz-Bindemittel fuer Giessereizwecke | |
| DE2459797C3 (de) | Verfahren zur Herstellung von Formteilen aus Zement | |
| DE1954354B2 (de) | Haftmittel | |
| DE1095516B (de) | Verfahren zur Herstellung von waermehaertbaren Kunstharzmassen | |
| DE2511165C3 (de) | Verfahren zur Stabilisierung von Kern- und Formsandbindemitteln auf Kunstharzbasis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HUELS TROISDORF AG, 5210 TROISDORF, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HUELS AG, 4370 MARL, DE |
|
| 8339 | Ceased/non-payment of the annual fee |