FI67088C - Foerfarande foer framstaellning av ett slipmedel foer flexiblaunderlag vilket innehaoller konsthartsbindemedel som base ra sig pao en vattenhaltig blandning av olika fenolhartser hocdet sao erhaollna slipmedlet - Google Patents
Foerfarande foer framstaellning av ett slipmedel foer flexiblaunderlag vilket innehaoller konsthartsbindemedel som base ra sig pao en vattenhaltig blandning av olika fenolhartser hocdet sao erhaollna slipmedlet Download PDFInfo
- Publication number
- FI67088C FI67088C FI782571A FI782571A FI67088C FI 67088 C FI67088 C FI 67088C FI 782571 A FI782571 A FI 782571A FI 782571 A FI782571 A FI 782571A FI 67088 C FI67088 C FI 67088C
- Authority
- FI
- Finland
- Prior art keywords
- formaldehyde
- phenol
- moles
- monovalent
- foer
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 99
- 239000011230 binding agent Substances 0.000 claims description 36
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000005011 phenolic resin Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 229920001568 phenolic resin Polymers 0.000 claims description 20
- 239000003082 abrasive agent Substances 0.000 claims description 18
- 150000002989 phenols Chemical class 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 229920003987 resole Polymers 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 5
- 239000006061 abrasive grain Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000007259 addition reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 description 22
- 239000011347 resin Substances 0.000 description 22
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 15
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000000227 grinding Methods 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000008098 formaldehyde solution Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229920002866 paraformaldehyde Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- ZXSBYAWLZRAJJY-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde phenol Chemical compound C1(O)=C(C(O)=CC=C1)C=O.OC1=CC=CC=C1 ZXSBYAWLZRAJJY-UHFFFAOYSA-N 0.000 description 2
- TUAMRELNJMMDMT-UHFFFAOYSA-N 3,5-xylenol Chemical compound CC1=CC(C)=CC(O)=C1 TUAMRELNJMMDMT-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920003986 novolac Polymers 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- -1 resorcinol Chemical compound 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- C08L61/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- 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
- C08G8/24—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with mixtures of two or more phenols which are not covered by only one of the groups C08G8/10 - C08G8/20
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2738267A DE2738267C3 (de) | 1977-08-25 | 1977-08-25 | Verwendung von Kunstharzbindemitteln |
| DE2738267 | 1977-08-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI782571A7 FI782571A7 (fi) | 1979-02-26 |
| FI67088B FI67088B (fi) | 1984-09-28 |
| FI67088C true FI67088C (fi) | 1985-01-10 |
Family
ID=6017232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI782571A FI67088C (fi) | 1977-08-25 | 1978-08-23 | Foerfarande foer framstaellning av ett slipmedel foer flexiblaunderlag vilket innehaoller konsthartsbindemedel som base ra sig pao en vattenhaltig blandning av olika fenolhartser hocdet sao erhaollna slipmedlet |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4251408A (enExample) |
| JP (1) | JPS5445357A (enExample) |
| AR (1) | AR220721A1 (enExample) |
| AT (1) | AT363798B (enExample) |
| BR (1) | BR7805546A (enExample) |
| DE (1) | DE2738267C3 (enExample) |
| ES (1) | ES472706A1 (enExample) |
| FI (1) | FI67088C (enExample) |
| GR (1) | GR66450B (enExample) |
| IT (1) | IT1158996B (enExample) |
| ZA (1) | ZA784816B (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2853761B1 (de) * | 1978-12-13 | 1980-03-27 | Hoechst Ag | Verfahren zur Herstellung von Schleifmitteln |
| JPS5770150A (en) | 1980-10-21 | 1982-04-30 | Sumitomo Deyurezu Kk | Cure promoting method for resol type phenolic resin |
| JPS5873248U (ja) * | 1981-11-11 | 1983-05-18 | 株式会社ウベ循研 | 血液導管のｔ管 |
| US4548617A (en) * | 1982-08-20 | 1985-10-22 | Tokyo Shibaura Denki Kabushiki Kaisha | Abrasive and method for manufacturing the same |
| US4624984A (en) * | 1984-02-24 | 1986-11-25 | Plastics Engineering Company | Moldable composition suitable for the preparation of vitreous carbon |
| US4668496A (en) * | 1984-11-05 | 1987-05-26 | Plastics Engineering Company | Vitreous carbon |
| US4626569A (en) * | 1984-11-05 | 1986-12-02 | Plastics Engineering Company | Process for producing a molded product and the molded product produced thereby |
| US4624811A (en) * | 1984-11-05 | 1986-11-25 | Plastics Engineering Company | Process for preparing a vitreous carbon |
| US4544376A (en) * | 1984-11-29 | 1985-10-01 | The United States Of America As Represented By The United States Department Of Energy | Abrasive slurry composition for machining boron carbide |
| US4761163A (en) * | 1987-09-14 | 1988-08-02 | Ida Messere | Method for making quick ageing abrasive slurries for the construction of grinding wheels, and the abrasive slurries made thereby |
| US4820576A (en) * | 1988-02-18 | 1989-04-11 | Fiber Materials, Inc. | Fire retardant polymer resin |
| CA1338410C (en) * | 1989-02-07 | 1996-06-18 | Theodore H. Dailey, Jr. | Resorcinol-modified phenolic resin binder for reinforced plastics |
| DE4015440C1 (enExample) * | 1990-05-15 | 1991-11-07 | Ruetgerswerke Ag, 6000 Frankfurt, De | |
| JPH06114747A (ja) * | 1992-10-05 | 1994-04-26 | Minnesota Mining & Mfg Co <3M> | 研磨材およびその製法 |
| US6150492A (en) * | 1994-02-04 | 2000-11-21 | Borden Chemical, Inc. | Cross-catalyzed phenol-resorcinol adhesive |
| US5674122A (en) * | 1994-10-27 | 1997-10-07 | Minnesota Mining And Manufacturing Company | Abrasive articles and methods for their manufacture |
| US8256091B2 (en) * | 2000-11-17 | 2012-09-04 | Duescher Wayne O | Equal sized spherical beads |
| US8545583B2 (en) * | 2000-11-17 | 2013-10-01 | Wayne O. Duescher | Method of forming a flexible abrasive sheet article |
| US8062098B2 (en) | 2000-11-17 | 2011-11-22 | Duescher Wayne O | High speed flat lapping platen |
| US7632434B2 (en) | 2000-11-17 | 2009-12-15 | Wayne O. Duescher | Abrasive agglomerate coated raised island articles |
| US7520800B2 (en) * | 2003-04-16 | 2009-04-21 | Duescher Wayne O | Raised island abrasive, lapping apparatus and method of use |
| US6608162B1 (en) | 2002-03-15 | 2003-08-19 | Borden Chemical, Inc. | Spray-dried phenol formaldehyde resins |
| US20050069900A1 (en) * | 2003-09-25 | 2005-03-31 | Cytyc Corporation | Analyte sample detection |
| BRPI0817220A2 (pt) | 2007-09-21 | 2016-05-03 | Saint Gobain Abrasifs Sa | método de formação de uma composição de resina fenólica modificada,composição de resina fenólica modificada, produto abrasivo e o método da fabricação do mesmo |
| WO2015042266A1 (en) * | 2013-09-20 | 2015-03-26 | Georgia-Pacific Chemicals Llc | Modified phenolic resins for making composite products |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2513274A (en) * | 1947-01-18 | 1950-07-04 | Monsanto Chemicals | Rapid-curing phenolic resins |
| GB762462A (en) * | 1952-11-15 | 1956-11-28 | Nat Res Dev | Improvements in or relating to synthetic resinous moulding materials |
| US3422068A (en) * | 1966-02-25 | 1969-01-14 | Weyerhaeuser Co | Method of producing an ortho-directed phenolic resin by condensing phenol and hcho in the presence of a bivalent metal ion and then adding resorcinol,and the resultant product |
| JPS5045088A (enExample) * | 1973-08-27 | 1975-04-22 | ||
| CA1050182A (en) * | 1974-03-11 | 1979-03-06 | Maurice F. Gillern | Phenol-formaldehyde-resorcinol resins and adhesives |
| DE2444525C3 (de) * | 1974-09-18 | 1978-11-16 | Feldmuehle Ag, 4000 Duesseldorf | Verfahren zum Herstellen eines bahn- und blattförmigen Schleifmittels |
| US4038046A (en) * | 1975-12-31 | 1977-07-26 | Norton Company | Coated abrasive bonded with urea-formaldehyde, phenolic resin blends |
-
1977
- 1977-08-25 DE DE2738267A patent/DE2738267C3/de not_active Expired
-
1978
- 1978-08-19 ES ES472706A patent/ES472706A1/es not_active Expired
- 1978-08-23 FI FI782571A patent/FI67088C/fi not_active IP Right Cessation
- 1978-08-24 GR GR57072A patent/GR66450B/el unknown
- 1978-08-24 IT IT26993/78A patent/IT1158996B/it active
- 1978-08-24 JP JP10240678A patent/JPS5445357A/ja active Granted
- 1978-08-24 AT AT0617578A patent/AT363798B/de not_active IP Right Cessation
- 1978-08-24 ZA ZA00784816A patent/ZA784816B/xx unknown
- 1978-08-25 AR AR273428A patent/AR220721A1/es active
- 1978-08-25 BR BR7805546A patent/BR7805546A/pt unknown
- 1978-08-25 US US05/936,833 patent/US4251408A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GR66450B (enExample) | 1981-03-23 |
| BR7805546A (pt) | 1979-04-10 |
| AT363798B (de) | 1981-08-25 |
| JPS5445357A (en) | 1979-04-10 |
| FI67088B (fi) | 1984-09-28 |
| IT1158996B (it) | 1987-02-25 |
| DE2738267A1 (de) | 1979-03-01 |
| ES472706A1 (es) | 1979-02-16 |
| IT7826993A0 (it) | 1978-08-24 |
| FI782571A7 (fi) | 1979-02-26 |
| ATA617578A (de) | 1981-01-15 |
| DE2738267C3 (de) | 1986-04-17 |
| US4251408A (en) | 1981-02-17 |
| JPS5649711B2 (enExample) | 1981-11-24 |
| AR220721A1 (es) | 1980-11-28 |
| DE2738267B2 (de) | 1979-09-13 |
| ZA784816B (en) | 1979-09-26 |
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