DE2506576A1 - Verfahren zur herstellung von dental- und medizinischen schaumgebilden - Google Patents
Verfahren zur herstellung von dental- und medizinischen schaumgebildenInfo
- Publication number
- DE2506576A1 DE2506576A1 DE19752506576 DE2506576A DE2506576A1 DE 2506576 A1 DE2506576 A1 DE 2506576A1 DE 19752506576 DE19752506576 DE 19752506576 DE 2506576 A DE2506576 A DE 2506576A DE 2506576 A1 DE2506576 A1 DE 2506576A1
- Authority
- DE
- Germany
- Prior art keywords
- foam
- water
- component
- reaction
- foams
- 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.)
- Granted
Links
- 239000006260 foam Substances 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 238000005187 foaming Methods 0.000 claims description 17
- -1 polyoxyethylene Polymers 0.000 claims description 15
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 11
- 229920005862 polyol Polymers 0.000 claims description 11
- 150000003077 polyols Chemical class 0.000 claims description 11
- 230000002599 biostatic effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003599 detergent Substances 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000000417 fungicide Substances 0.000 claims description 3
- 239000002304 perfume Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000002781 deodorant agent Substances 0.000 claims description 2
- 239000000934 spermatocidal agent Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- 229920005830 Polyurethane Foam Polymers 0.000 description 7
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000011496 polyurethane foam Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 229920001228 polyisocyanate Polymers 0.000 description 6
- 239000005056 polyisocyanate Substances 0.000 description 6
- 210000001124 body fluid Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 5
- 125000005442 diisocyanate group Chemical group 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- BIIBYWQGRFWQKM-JVVROLKMSA-N (2S)-N-[4-(cyclopropylamino)-3,4-dioxo-1-[(3S)-2-oxopyrrolidin-3-yl]butan-2-yl]-2-[[(E)-3-(2,4-dichlorophenyl)prop-2-enoyl]amino]-4,4-dimethylpentanamide Chemical compound CC(C)(C)C[C@@H](C(NC(C[C@H](CCN1)C1=O)C(C(NC1CC1)=O)=O)=O)NC(/C=C/C(C=CC(Cl)=C1)=C1Cl)=O BIIBYWQGRFWQKM-JVVROLKMSA-N 0.000 description 1
- DUXCSEISVMREAX-UHFFFAOYSA-N 3,3-dimethylbutan-1-ol Chemical compound CC(C)(C)CCO DUXCSEISVMREAX-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- 229920002257 Plurafac® Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005903 polyol mixture Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 239000002993 sponge (artificial) Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0208—Tissues; Wipes; Patches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/87—Polyurethanes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q13/00—Formulations or additives for perfume preparations
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Birds (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Biomedical Technology (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US443271A US3903232A (en) | 1973-10-09 | 1974-02-19 | Dental and biomedical foams and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2506576A1 true DE2506576A1 (de) | 1975-08-21 |
| DE2506576C2 DE2506576C2 (enExample) | 1990-08-16 |
Family
ID=23760118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752506576 Granted DE2506576A1 (de) | 1974-02-19 | 1975-02-17 | Verfahren zur herstellung von dental- und medizinischen schaumgebilden |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2506576A1 (enExample) |
| FR (1) | FR2261293B2 (enExample) |
| GB (1) | GB1503732A (enExample) |
| IT (1) | IT1031874B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1551620A (en) * | 1976-12-13 | 1979-08-30 | Ici Ltd | Delivery means for biologically active agents |
| US5104909A (en) * | 1989-09-21 | 1992-04-14 | W. R. Grace & Co.-Conn. | Water-absorbent, high capacity polyurethane foams |
| CA2019533A1 (en) * | 1989-11-09 | 1991-05-09 | William H. Hollister | Face mask and face mask components |
| ES2102472T3 (es) * | 1991-12-17 | 1997-08-01 | Ici Plc | Espumas de poliuretano. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2726219A (en) * | 1951-07-19 | 1955-12-06 | Du Pont | Polyalkylene ether glycol-arylene diisocyanate elastomer sponge and process for preparing same |
-
1975
- 1975-02-11 GB GB5834/75A patent/GB1503732A/en not_active Expired
- 1975-02-17 DE DE19752506576 patent/DE2506576A1/de active Granted
- 1975-02-19 IT IT20437/75A patent/IT1031874B/it active
- 1975-02-19 FR FR7505119A patent/FR2261293B2/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2726219A (en) * | 1951-07-19 | 1955-12-06 | Du Pont | Polyalkylene ether glycol-arylene diisocyanate elastomer sponge and process for preparing same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2261293B2 (enExample) | 1978-07-21 |
| FR2261293A2 (enExample) | 1975-09-12 |
| DE2506576C2 (enExample) | 1990-08-16 |
| GB1503732A (en) | 1978-03-15 |
| IT1031874B (it) | 1979-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3204911C2 (enExample) | ||
| DE68927722T2 (de) | Flüssigsegment enthaltendes Polyurethangel und dieses enthaltende Verbindungsstücke für diagnostische Ultraschallsonde | |
| DE69023599T2 (de) | Wasser absorbierende Polyurethan-Schaumstoffe mit hoher Leistung. | |
| US3903232A (en) | Dental and biomedical foams and method | |
| DE10132141B4 (de) | Polyurethanschaumzusammensetzung und Verfahren zu ihrer Herstellung | |
| DE68928264T2 (de) | Biostabile, segmentierte, aliphatische Polyurethane und Verfahren zu ihrer Herstellung | |
| DE69902522T2 (de) | Verfahren zur herstellung von transparenten polyurethan/harnstoffelastomeren | |
| DE69410459T2 (de) | Statistische blockcopolymere | |
| DE2319706A1 (de) | Verschaeumbare massen fuer die herstellung von vernetzten schaumstoffen mit dreidimensionalem netzwerk und verschaeumungsverfahren | |
| DE1121326B (de) | Verfahren zur Herstellung von geschaeumten Ionenaustauschmaterialien auf Grundlage von kunstharzgebundenen, feinzerteilten Anion- oder Kationaustauscherharzen | |
| DE3613961A1 (de) | Mikrozellulares polyurethan-elastomer und verfahren zu dessen herstellung | |
| DE2610793A1 (de) | Produkt zum zurueckhalten von koerperfluessigkeiten | |
| DE60009273T2 (de) | Verfahren zur herstellung von polyurethanformmassen | |
| DE1241972B (de) | Verfahren zur Herstellung von Polyurethanschaumstoffen | |
| DE2249094C3 (de) | Verfahren zur Herstellung flexibler zelliger Produkte | |
| EP2760488A1 (de) | Schnellhärtende alkoxysilan-sprühschäume | |
| DE1569118A1 (de) | Verfahren zum Herstellen von Polyurethanschaeumen | |
| EP2760903B1 (de) | Schnellhärtende alkoxysilan-sprühschäume | |
| DE3329568A1 (de) | Traeger fuer immobilisierte mikroorganismen | |
| DE3238173C2 (enExample) | ||
| DE2506576C2 (enExample) | ||
| DE69310455T2 (de) | Hydrophile Polyurethanhartschäume | |
| DE1570885A1 (de) | Verfahren zur Herstellung von zum Aufbau von Polyurethanen geeigneten Polyaethern | |
| DE1282950B (de) | Verfahren zur Herstellung eines hydrophilen Polyurethanschaumstoffes | |
| DE3347731A1 (de) | Reinigungszusammensetzung fuer hochmolekulare aromatische amine und ihre verwendung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: BERENDT, T., DIPL.-CHEM. DR., PAT.-ANW., 8000 MUEN |
|
| 8128 | New person/name/address of the agent |
Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR |
|
| 8176 | Proceedings suspended because of application no: |
Ref document number: 2319706 Country of ref document: DE Format of ref document f/p: P |
|
| 8178 | Suspension cancelled | ||
| AF | Is addition to no. |
Ref country code: DE Ref document number: 2319706 Format of ref document f/p: P |
|
| 8127 | New person/name/address of the applicant |
Owner name: W.R. GRACE & CO.-CONN., NEW YORK, N.Y., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR |
|
| 8125 | Change of the main classification |
Ipc: C08G 18/10 |
|
| AF | Is addition to no. |
Ref country code: DE Ref document number: 2319706 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |