PT92883A - Processo para a preparacao de uma composicao aquosa para limpeza de maquinas de processamento de colas a base de resinas aminadas - Google Patents
Processo para a preparacao de uma composicao aquosa para limpeza de maquinas de processamento de colas a base de resinas aminadas Download PDFInfo
- Publication number
- PT92883A PT92883A PT92883A PT9288390A PT92883A PT 92883 A PT92883 A PT 92883A PT 92883 A PT92883 A PT 92883A PT 9288390 A PT9288390 A PT 9288390A PT 92883 A PT92883 A PT 92883A
- Authority
- PT
- Portugal
- Prior art keywords
- weight
- percent
- composition
- cleaning composition
- maleic anhydride
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 7
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000003292 glue Substances 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 12
- 229920003180 amino resin Polymers 0.000 title 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920001577 copolymer Polymers 0.000 claims abstract description 13
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 6
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims abstract description 4
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- HRKAMJBPFPHCSD-UHFFFAOYSA-N Tri-isobutylphosphate Chemical compound CC(C)COP(=O)(OCC(C)C)OCC(C)C HRKAMJBPFPHCSD-UHFFFAOYSA-N 0.000 claims description 3
- 239000013543 active substance Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000002989 phenols Chemical class 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 2
- ZXBQUWHJJKQKGW-UHFFFAOYSA-N furan-2,5-dione Chemical compound O=C1OC(=O)C=C1.O=C1OC(=O)C=C1 ZXBQUWHJJKQKGW-UHFFFAOYSA-N 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 6
- 229920002125 Sokalan® Polymers 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- -1 lauryl acylate Chemical compound 0.000 description 4
- 239000004584 polyacrylic acid Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- JYCQQPHGFMYQCF-UHFFFAOYSA-N 4-tert-Octylphenol monoethoxylate Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(OCCO)C=C1 JYCQQPHGFMYQCF-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- ULGZDMOVFRHVEP-RWJQBGPGSA-N Erythromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)C(=O)[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 ULGZDMOVFRHVEP-RWJQBGPGSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920002113 octoxynol Polymers 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- IGUUOBNMPRCMCA-UHFFFAOYSA-N 3-amino-2-cyanoprop-2-enoic acid Chemical compound NC=C(C#N)C(O)=O IGUUOBNMPRCMCA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- HIBWGGKDGCBPTA-UHFFFAOYSA-N C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 Chemical compound C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 HIBWGGKDGCBPTA-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- ATMLPEJAVWINOF-UHFFFAOYSA-N acrylic acid acrylic acid Chemical compound OC(=O)C=C.OC(=O)C=C ATMLPEJAVWINOF-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 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
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229960003276 erythromycin Drugs 0.000 description 1
- 229940011871 estrogen Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 235000011087 fumaric acid Nutrition 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- VEUVFXSZBLVTFP-UHFFFAOYSA-N octan-3-yl 2-ethylhexanoate Chemical class CCCCCC(CC)OC(=O)C(CC)CCCC VEUVFXSZBLVTFP-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3901328A DE3901328A1 (de) | 1989-01-18 | 1989-01-18 | Waessriges reinigungsmittel fuer aminoharz-leim verarbeitende maschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
PT92883A true PT92883A (pt) | 1990-07-31 |
Family
ID=6372311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT92883A PT92883A (pt) | 1989-01-18 | 1990-01-17 | Processo para a preparacao de uma composicao aquosa para limpeza de maquinas de processamento de colas a base de resinas aminadas |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0379087B1 (de) |
AT (1) | ATE123299T1 (de) |
DE (2) | DE3901328A1 (de) |
DK (1) | DK0379087T3 (de) |
ES (1) | ES2072317T3 (de) |
PT (1) | PT92883A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4012798C1 (de) * | 1990-04-21 | 1991-08-14 | Bayer Ag, 5090 Leverkusen, De | |
SE500522C2 (sv) * | 1992-01-30 | 1994-07-11 | Casco Nobel Ab | Användning av polyetylenimin- eller iminer för rengöring av utrustning från aminohartser |
US5914365A (en) * | 1997-02-06 | 1999-06-22 | Georgia-Pacific Resins, Inc. | Modified urea-formaldehyde binder for making fiber mats |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3625854A (en) * | 1968-05-10 | 1971-12-07 | Sinclair Research Inc | Oven-cleaning composition |
US3976501A (en) * | 1974-09-18 | 1976-08-24 | Blue Maurice R | Process for cleaning and polishing a floor |
PH17613A (en) * | 1981-05-29 | 1984-10-05 | Unilever Nv | General-purpose cleaning composition |
US4869934A (en) * | 1988-09-16 | 1989-09-26 | Sterling Drug Inc. | Floor polishing and coating composition |
-
1989
- 1989-01-18 DE DE3901328A patent/DE3901328A1/de not_active Withdrawn
-
1990
- 1990-01-12 DE DE59009165T patent/DE59009165D1/de not_active Expired - Lifetime
- 1990-01-12 DK DK90100618.9T patent/DK0379087T3/da active
- 1990-01-12 EP EP90100618A patent/EP0379087B1/de not_active Expired - Lifetime
- 1990-01-12 AT AT90100618T patent/ATE123299T1/de active
- 1990-01-12 ES ES90100618T patent/ES2072317T3/es not_active Expired - Lifetime
- 1990-01-17 PT PT92883A patent/PT92883A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ATE123299T1 (de) | 1995-06-15 |
EP0379087A2 (de) | 1990-07-25 |
EP0379087B1 (de) | 1995-05-31 |
DE59009165D1 (de) | 1995-07-06 |
EP0379087A3 (de) | 1991-04-03 |
DK0379087T3 (da) | 1995-07-24 |
DE3901328A1 (de) | 1990-07-19 |
ES2072317T3 (es) | 1995-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6486115B1 (en) | Microemulsion cleaning composition | |
IE47276B1 (en) | Polymer compositions | |
BR9813423A (pt) | Composição, composição de pesticida, processo para tratar um substrato alvo | |
CA1117845A (en) | Dispersions | |
JPH02277593A (ja) | スラッジから水及びオイルを分離する方法 | |
EP0137728B1 (de) | Wasser-in-Öl-Emulsionen mit verbesserten Eigenschaften bei niedriger Temperatur | |
PT92883A (pt) | Processo para a preparacao de uma composicao aquosa para limpeza de maquinas de processamento de colas a base de resinas aminadas | |
EP0084411B1 (de) | Zusammensetzung und Methode zur Reinigung harter Oberflächen von Kohlenwasserstofföl | |
CN110446773A (zh) | 破乳添加剂组合物、其使用方法及破乳方法 | |
Ysambertt et al. | Retrograde transition in the phase behaviour of surfactant-oil-water systems produced by an oil equivalent alkane carbon number scan | |
EP0520730B1 (de) | Entlackungsmittel | |
GB2146260A (en) | Water-in-oil emulsions comprising an inverting surfactant | |
BR9812750A (pt) | Processo para a produção de uma composição de detergente granular contendo tensoativos ramificados de cadeia média | |
WO2006071194A1 (en) | Agent to remove paint, lacquer, glue, plastic or similar from objects and the use of it | |
SU1433961A1 (ru) | Состав дл удалени асфальто-смолистых и парафиновых отложений с твердой поверхности | |
FI109916B (fi) | Emulsion hajottava puhdistusaine | |
Salakhov et al. | Development of demulsifier compositions for the destruction of emulsions and dehydration of heavy oils | |
BR9813044A (pt) | Amina alifática alcoxilada, composição de limpeza, e, processo para retardar a deposição de incrustação de cal sobre uma superfìcie | |
US11001761B2 (en) | Method and composition for treating tailings | |
JP2005162780A (ja) | 洗浄剤組成物及び液晶セル用洗浄剤 | |
EP0062475B1 (de) | Surfactantzusammensetzungen, Herstellung und Stabilisierung von Kohle in Ölgemischen | |
JP7518504B1 (ja) | アスファルト乳剤分解剤、及びアスファルト乳剤を分解してアスファルト層を形成する方法 | |
DE60210116T2 (de) | Flüssiges reinigungszusammensetzungen enthaltend schleifmittel | |
CN1106893C (zh) | 一种利用酸渣生产磺化沥青的方法 | |
JPH09165600A (ja) | 水系洗浄剤及び洗浄方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC3A | Refusal |
Effective date: 19950913 |