DE2829045C2 - - Google Patents
Info
- Publication number
- DE2829045C2 DE2829045C2 DE2829045A DE2829045A DE2829045C2 DE 2829045 C2 DE2829045 C2 DE 2829045C2 DE 2829045 A DE2829045 A DE 2829045A DE 2829045 A DE2829045 A DE 2829045A DE 2829045 C2 DE2829045 C2 DE 2829045C2
- Authority
- DE
- Germany
- Prior art keywords
- weight
- din
- precipitated silica
- boric acid
- acid
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 105
- 239000000377 silicon dioxide Substances 0.000 claims description 52
- 229960002645 boric acid Drugs 0.000 claims description 49
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 48
- 235000010338 boric acid Nutrition 0.000 claims description 48
- 239000004327 boric acid Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical group OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 claims description 2
- 238000001035 drying Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 3
- -1 polysiloxane Polymers 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 150000001639 boron compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- HJVAFZMYQQSPHF-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;boric acid Chemical compound OB(O)O.OCCN(CCO)CCO HJVAFZMYQQSPHF-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
- C09C1/30—Silicic acid
- C09C1/309—Combinations of treatments provided for in groups C09C1/3009 - C09C1/3081
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/14—Boron; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Silicon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782829045 DE2829045A1 (de) | 1978-07-01 | 1978-07-01 | Borhaltige faellungskieselsaeure |
| NLAANVRAGE7903266,A NL178334C (nl) | 1978-07-01 | 1979-04-25 | Werkwijze voor het bereiden van borium bevattend neergeslagen kiezelzuur; werkwijze voor het bereiden van tot elastomeren hardbare mengsels. |
| ES480019A ES480019A1 (es) | 1978-07-01 | 1979-04-27 | Procedimiento para la preparacion de acido silicico de pre- cipitacion que contiene boro. |
| FR7911770A FR2431992A1 (fr) | 1978-07-01 | 1979-05-09 | Acide silicique precipite contenant du bore |
| IT68115/79A IT1120972B (it) | 1978-07-01 | 1979-05-24 | Acido silicico precipitato contenente boro e procedimento per la sua preparazione |
| BR7904000A BR7904000A (pt) | 1978-07-01 | 1979-06-25 | Compostos de acido silicico de precipitacao contendo boro,processo para a sua preparacao e emprego dos mesmos |
| BE6/46878A BE877323A (fr) | 1978-07-01 | 1979-06-27 | Acide silicique precipite contenant du bore et procede pour sa preparation |
| AR277100A AR216400A1 (es) | 1978-07-01 | 1979-06-28 | Acido silicico de precipitacion que contiene boro y procedimiento para prepararlo |
| US06/052,925 US4289681A (en) | 1978-07-01 | 1979-06-28 | Boron containing precipitated silica |
| GB7922604A GB2026456B (en) | 1978-07-01 | 1979-06-28 | Boron-containing precipitated silica |
| CA330,846A CA1110406A (en) | 1978-07-01 | 1979-06-29 | Boron-containing precipitated silica |
| JP8155779A JPS5510489A (en) | 1978-07-01 | 1979-06-29 | Boron contained precipitated silicic acid* its manufacture and material curable to elastomer based on diorganopolysiloxane containing said silicic acid as filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782829045 DE2829045A1 (de) | 1978-07-01 | 1978-07-01 | Borhaltige faellungskieselsaeure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2829045A1 DE2829045A1 (de) | 1980-01-10 |
| DE2829045C2 true DE2829045C2 (cg-RX-API-DMAC7.html) | 1989-08-03 |
Family
ID=6043343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782829045 Granted DE2829045A1 (de) | 1978-07-01 | 1978-07-01 | Borhaltige faellungskieselsaeure |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4289681A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5510489A (cg-RX-API-DMAC7.html) |
| AR (1) | AR216400A1 (cg-RX-API-DMAC7.html) |
| BE (1) | BE877323A (cg-RX-API-DMAC7.html) |
| BR (1) | BR7904000A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1110406A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2829045A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES480019A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2431992A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB2026456B (cg-RX-API-DMAC7.html) |
| IT (1) | IT1120972B (cg-RX-API-DMAC7.html) |
| NL (1) | NL178334C (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10307249A1 (de) * | 2003-02-20 | 2004-09-09 | Wacker-Chemie Gmbh | Verfahren zur Stabilisierung von Dispersionen |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3005137A1 (de) * | 1980-02-12 | 1981-08-20 | Degussa Ag, 6000 Frankfurt | Cerhaltige faellungskieselsaeure, verfahren zu deren herstellung, sowie zu elastomeren haertbare massen, die die cerhaltige faellungskieselsaeure enthalten |
| JPS6375061A (ja) * | 1986-09-17 | 1988-04-05 | Shin Etsu Chem Co Ltd | シリコ−ンゴム組成物 |
| FR2621921B1 (fr) * | 1987-10-20 | 1990-02-23 | Rhone Poulenc Chimie | Emulsion aqueuse de silicone pouvant reticuler en un elastomere par elimination de l'eau |
| US5668203A (en) * | 1995-06-07 | 1997-09-16 | Xerox Corporation | Elastomeric articles containing haloceramer compositions |
| AU2001260094A1 (en) * | 2000-03-03 | 2001-09-12 | Akzo Nobel N.V. | Amorphous silica particles comprising boron |
| DE10058616A1 (de) * | 2000-11-25 | 2002-05-29 | Degussa | Fällungskieselsäuren mit hoher Struktur |
| DE10062945A1 (de) * | 2000-12-16 | 2002-06-20 | Continental Ag | Kautschukmischung und Kieselsäure für eine Kautschukmischung |
| EP1597198B1 (de) * | 2003-02-20 | 2009-04-29 | Wacker Chemie AG | Verfahren zur stabilisierung von dispersionen |
| US20090196929A1 (en) * | 2008-02-01 | 2009-08-06 | J.M. Huber Corporation | Silica Wetcake Treatment Method |
| US20100179778A1 (en) * | 2009-01-15 | 2010-07-15 | Lonnie Calvin Goff | Embedded monitoring system for batteries |
| US20090210736A1 (en) * | 2008-02-20 | 2009-08-20 | Lonnie Calvin Goff | Multi-function battery monitor system for vehicles |
| US8437908B2 (en) * | 2008-03-10 | 2013-05-07 | 4 Peaks Technology Llc | Battery monitor system attached to a vehicle wiring harness |
| US20110048485A1 (en) * | 2009-09-02 | 2011-03-03 | Lonnie Calvin Goff | Integrated battery management system for vehicles |
| GB201308072D0 (en) | 2013-05-03 | 2013-06-12 | Ramlat Ltd | Compositions and methods |
| US9309126B2 (en) | 2014-02-28 | 2016-04-12 | Pall Corporation | Rapidly dissolvable nanoparticles |
| US9764292B2 (en) | 2014-02-28 | 2017-09-19 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9446355B2 (en) | 2014-02-28 | 2016-09-20 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9610548B2 (en) | 2014-02-28 | 2017-04-04 | Pall Corporation | Composite porous polymeric membrane with high void volume |
| US9737860B2 (en) | 2014-02-28 | 2017-08-22 | Pall Corporation | Hollow fiber membrane having hexagonal voids |
| US9776142B2 (en) | 2014-02-28 | 2017-10-03 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9561473B2 (en) | 2014-02-28 | 2017-02-07 | Pall Corporation | Charged hollow fiber membrane having hexagonal voids |
| US9302228B2 (en) | 2014-02-28 | 2016-04-05 | Pall Corporation | Charged porous polymeric membrane with high void volume |
| EP3954743A1 (de) | 2020-08-12 | 2022-02-16 | Evonik Operations GmbH | Verwendung von siliziumdioxid zur verbesserung der leitfähigkeit von beschichtungen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2900349A (en) * | 1954-02-11 | 1959-08-18 | Socony Mobil Oil Co Inc | Attrition-resistant inorganic oxide gels and method for preparing the same |
| DE1154270B (de) | 1957-11-15 | 1963-09-12 | Dow Corning A G | Verfahren zum Herstellen von Borsaeureester enthaltenden, selbstverklebenden Organopolysiloxanelastomeren |
| US3622650A (en) * | 1969-02-04 | 1971-11-23 | Cabot Corp | Rubber reinforcing compositions |
| DE2122066C3 (de) | 1971-05-04 | 1974-10-24 | Wacker-Chemie Gmbh, 8000 Muenchen | Bereitung von Bor enthaltenden Massen auf Grundlage von Organopolysiloxanen |
| DE2628975A1 (de) * | 1976-06-28 | 1977-12-29 | Degussa | Faellungskieselsaeure |
| DE2716225A1 (de) * | 1977-04-13 | 1978-10-26 | Degussa | Borhaltige faellungskieselsaeure |
-
1978
- 1978-07-01 DE DE19782829045 patent/DE2829045A1/de active Granted
-
1979
- 1979-04-25 NL NLAANVRAGE7903266,A patent/NL178334C/xx not_active IP Right Cessation
- 1979-04-27 ES ES480019A patent/ES480019A1/es not_active Expired
- 1979-05-09 FR FR7911770A patent/FR2431992A1/fr active Granted
- 1979-05-24 IT IT68115/79A patent/IT1120972B/it active
- 1979-06-25 BR BR7904000A patent/BR7904000A/pt unknown
- 1979-06-27 BE BE6/46878A patent/BE877323A/xx not_active IP Right Cessation
- 1979-06-28 AR AR277100A patent/AR216400A1/es active
- 1979-06-28 GB GB7922604A patent/GB2026456B/en not_active Expired
- 1979-06-28 US US06/052,925 patent/US4289681A/en not_active Expired - Lifetime
- 1979-06-29 CA CA330,846A patent/CA1110406A/en not_active Expired
- 1979-06-29 JP JP8155779A patent/JPS5510489A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10307249A1 (de) * | 2003-02-20 | 2004-09-09 | Wacker-Chemie Gmbh | Verfahren zur Stabilisierung von Dispersionen |
Also Published As
| Publication number | Publication date |
|---|---|
| US4289681A (en) | 1981-09-15 |
| CA1110406A (en) | 1981-10-13 |
| DE2829045A1 (de) | 1980-01-10 |
| GB2026456A (en) | 1980-02-06 |
| FR2431992A1 (fr) | 1980-02-22 |
| AR216400A1 (es) | 1979-12-14 |
| NL178334C (nl) | 1986-03-03 |
| BE877323A (fr) | 1979-12-27 |
| FR2431992B1 (cg-RX-API-DMAC7.html) | 1982-10-08 |
| BR7904000A (pt) | 1980-03-11 |
| ES480019A1 (es) | 1979-12-01 |
| IT7968115A0 (it) | 1979-05-24 |
| IT1120972B (it) | 1986-03-26 |
| GB2026456B (en) | 1982-10-13 |
| NL178334B (nl) | 1985-10-01 |
| JPS6239177B2 (cg-RX-API-DMAC7.html) | 1987-08-21 |
| NL7903266A (nl) | 1980-01-03 |
| JPS5510489A (en) | 1980-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| OGA | New person/name/address of the applicant | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8380 | Miscellaneous part iii |
Free format text: DEGUSSA AG, 6000 FRANKFURT, DE |
|
| 8339 | Ceased/non-payment of the annual fee |