DE3512515A1 - Anorganische formmassen mit kalziniertem bauxit als steinbildende komponente - Google Patents
Anorganische formmassen mit kalziniertem bauxit als steinbildende komponenteInfo
- Publication number
- DE3512515A1 DE3512515A1 DE19853512515 DE3512515A DE3512515A1 DE 3512515 A1 DE3512515 A1 DE 3512515A1 DE 19853512515 DE19853512515 DE 19853512515 DE 3512515 A DE3512515 A DE 3512515A DE 3512515 A1 DE3512515 A1 DE 3512515A1
- Authority
- DE
- Germany
- Prior art keywords
- bauxite
- weight
- inorganic
- calcined bauxite
- calcined
- 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
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 28
- 239000000206 moulding compound Substances 0.000 title abstract 3
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract 1
- 235000013312 flour Nutrition 0.000 description 6
- 239000010881 fly ash Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004111 Potassium silicate Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- -1 however Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011476 clinker brick Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/16—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite, e.g. Keene's cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/04—Alkali metal or ammonium silicate cements ; Alkyl silicate cements; Silica sol cements; Soluble silicate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853512515 DE3512515A1 (de) | 1985-04-06 | 1985-04-06 | Anorganische formmassen mit kalziniertem bauxit als steinbildende komponente |
| AT86103242T ATE62008T1 (de) | 1985-04-06 | 1986-03-11 | Anorganische formmasse mit gehalten einer steinbildenden komponente. |
| EP19860103242 EP0199941B2 (de) | 1985-04-06 | 1986-03-11 | Anorganische Formmasse mit Gehalten einer steinbildenden Komponente |
| DE8686103242T DE3678325D1 (de) | 1985-04-06 | 1986-03-11 | Anorganische formmasse mit gehalten einer steinbildenden komponente. |
| JP61076830A JPS61232257A (ja) | 1985-04-06 | 1986-04-04 | 低い温度で硬化可能の含水無機成形材料 |
| SU864027232A RU1838273C (ru) | 1985-04-06 | 1986-04-04 | Формовочна композици |
| US06/848,493 US4681631A (en) | 1985-04-06 | 1986-04-07 | Inorganic molding composition containing a lithogenous component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853512515 DE3512515A1 (de) | 1985-04-06 | 1985-04-06 | Anorganische formmassen mit kalziniertem bauxit als steinbildende komponente |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3512515A1 true DE3512515A1 (de) | 1986-10-09 |
| DE3512515C2 DE3512515C2 (ja) | 1993-05-13 |
Family
ID=6267412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853512515 Granted DE3512515A1 (de) | 1985-04-06 | 1985-04-06 | Anorganische formmassen mit kalziniertem bauxit als steinbildende komponente |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS61232257A (ja) |
| DE (1) | DE3512515A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4204583A1 (de) * | 1992-02-15 | 1993-08-19 | Modern Ecological Prod | Verbundwerkstoff, verfahren seiner herstellung und seine verwendung |
| US5356579A (en) * | 1990-05-18 | 1994-10-18 | E. Khashoggi Industries | Methods of manufacture and use for low density hydraulically bonded cement compositions |
| US5358676A (en) * | 1990-05-18 | 1994-10-25 | E. Khashoggi Industries | Methods of manufacture and use for hydraulically bonded cement |
| US5637412A (en) * | 1990-05-18 | 1997-06-10 | E. Khashoggi Industries | Compressed hydraulically bonded composite articles |
| DE102009036561A1 (de) | 2009-08-10 | 2011-02-17 | Calsitherm Verwaltungs Gmbh | Zu einem Wärmedämmstoff selbst aushärtende Paste |
| DE102023001330A1 (de) | 2022-07-13 | 2024-01-18 | K o l l e r Kunststofftechnik GmbH | Als Sandwich aufgebaute flächige Formkörper |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4107430C2 (de) * | 1991-03-08 | 1994-08-11 | Karl Heinz Vahlbrauk | Bauelement |
| DE4124982C2 (de) * | 1991-07-27 | 1995-07-20 | Karl Heinz Vahlbrauk | Vorrichtung zur Klimatisierung von Räumen |
| DE4337193A1 (de) * | 1993-10-30 | 1995-05-04 | Karl Heinz Vahlbrauk | Gebäude |
| DE4429985C2 (de) * | 1994-08-24 | 1996-08-29 | Karl Heinz Vahlbrauk | Wandelement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1238832B (de) * | 1963-09-30 | 1967-04-13 | Kaiser Aluminium Chem Corp | Bindemittel fuer feuerfeste Stoffmischungen |
| DE3246621A1 (de) * | 1982-12-16 | 1984-06-20 | Dynamit Nobel Ag, 5210 Troisdorf | Bauteilverkleidungen aus anorganischen formmassen |
| DE3246602A1 (de) * | 1982-12-16 | 1984-06-20 | Dynamit Nobel Ag, 5210 Troisdorf | Wasserhaltige haertbare formmassen auf basis von anorganischen bestandteilen, daraus hergestellte formkoerper und verfahren zur herstellung der formmasse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281332A (en) * | 1975-12-27 | 1977-07-07 | Nisshin Eng | Curable compositions from exhaust gas desulfurization sludge |
| JPS5750743A (en) * | 1980-09-12 | 1982-03-25 | Okaya Denki Sangyo Kk | Gas discharge display panel |
| JPS58194765A (ja) * | 1982-05-07 | 1983-11-12 | 電気化学工業株式会社 | 無機結合材 |
| JPS609983A (ja) * | 1983-06-30 | 1985-01-19 | 倉庫精練株式会社 | ポリエステル繊維編織物の処理方法 |
-
1985
- 1985-04-06 DE DE19853512515 patent/DE3512515A1/de active Granted
-
1986
- 1986-04-04 JP JP61076830A patent/JPS61232257A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1238832B (de) * | 1963-09-30 | 1967-04-13 | Kaiser Aluminium Chem Corp | Bindemittel fuer feuerfeste Stoffmischungen |
| DE3246621A1 (de) * | 1982-12-16 | 1984-06-20 | Dynamit Nobel Ag, 5210 Troisdorf | Bauteilverkleidungen aus anorganischen formmassen |
| DE3246602A1 (de) * | 1982-12-16 | 1984-06-20 | Dynamit Nobel Ag, 5210 Troisdorf | Wasserhaltige haertbare formmassen auf basis von anorganischen bestandteilen, daraus hergestellte formkoerper und verfahren zur herstellung der formmasse |
Non-Patent Citations (1)
| Title |
|---|
| ULLMANN: Enzyklopädie der technischen Chemie, 3. Aufl. 1953, Bd. 3, S. 371, 380, 390 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5356579A (en) * | 1990-05-18 | 1994-10-18 | E. Khashoggi Industries | Methods of manufacture and use for low density hydraulically bonded cement compositions |
| US5358676A (en) * | 1990-05-18 | 1994-10-25 | E. Khashoggi Industries | Methods of manufacture and use for hydraulically bonded cement |
| US5635292A (en) * | 1990-05-18 | 1997-06-03 | E. Khashoggi Industries | Compressed low density hydraulically bonded composite articles |
| US5637412A (en) * | 1990-05-18 | 1997-06-10 | E. Khashoggi Industries | Compressed hydraulically bonded composite articles |
| DE4204583A1 (de) * | 1992-02-15 | 1993-08-19 | Modern Ecological Prod | Verbundwerkstoff, verfahren seiner herstellung und seine verwendung |
| DE102009036561A1 (de) | 2009-08-10 | 2011-02-17 | Calsitherm Verwaltungs Gmbh | Zu einem Wärmedämmstoff selbst aushärtende Paste |
| DE102023001330A1 (de) | 2022-07-13 | 2024-01-18 | K o l l e r Kunststofftechnik GmbH | Als Sandwich aufgebaute flächige Formkörper |
| EP4375058A1 (de) | 2022-07-13 | 2024-05-29 | Koller Kunststofftechnik GmbH | Als sandwich aufgebaute flächige formkörper |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3512515C2 (ja) | 1993-05-13 |
| JPS61232257A (ja) | 1986-10-16 |
| JPH039060B2 (ja) | 1991-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: HUELS TROISDORF AG, 5210 TROISDORF, DE |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings | ||
| 8305 | Restricted maintenance of patent after opposition | ||
| D4 | Patent maintained restricted | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HT TROPLAST AG, 53840 TROISDORF, DE |
|
| 8339 | Ceased/non-payment of the annual fee |