FI892652A0 - Erityisesti sinkin kanssa yhteensopiva hammastahnakoostumuksissa käytettävä piidioksidi ja menetelmä sen valmistamiseksi - Google Patents
Erityisesti sinkin kanssa yhteensopiva hammastahnakoostumuksissa käytettävä piidioksidi ja menetelmä sen valmistamiseksiInfo
- Publication number
- FI892652A0 FI892652A0 FI892652A FI892652A FI892652A0 FI 892652 A0 FI892652 A0 FI 892652A0 FI 892652 A FI892652 A FI 892652A FI 892652 A FI892652 A FI 892652A FI 892652 A0 FI892652 A0 FI 892652A0
- Authority
- FI
- Finland
- Prior art keywords
- zinc
- preparation
- processes
- silica
- toothpaste compositions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/25—Silicon; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- 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
- C09C1/3045—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- 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
- C01P2006/12—Surface area
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
- Y10T428/2996—Glass particles or spheres
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Organic Chemistry (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cosmetics (AREA)
- Silicon Compounds (AREA)
- Dental Preparations (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8807279A FR2632185B1 (fr) | 1988-06-01 | 1988-06-01 | Silice pour compositions dentifrices compatible notamment avec le zinc |
FR8807279 | 1988-06-01 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI892652A0 true FI892652A0 (fi) | 1989-05-31 |
FI892652A FI892652A (fi) | 1989-12-02 |
FI94091B FI94091B (fi) | 1995-04-13 |
FI94091C FI94091C (fi) | 1995-07-25 |
Family
ID=9366816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI892652A FI94091C (fi) | 1988-06-01 | 1989-05-31 | Erityisesti sinkin kanssa yhteensopiva hammastahnakoostumuksissa käytettävä piidioksidi ja menetelmä sen valmistamiseksi |
Country Status (25)
Country | Link |
---|---|
US (2) | US5413844A (fi) |
EP (1) | EP0345116B1 (fi) |
JP (1) | JPH0665605B2 (fi) |
KR (1) | KR950003418B1 (fi) |
CN (2) | CN1038405A (fi) |
AT (1) | ATE95548T1 (fi) |
AU (1) | AU621117B2 (fi) |
BR (1) | BR8902944A (fi) |
CA (1) | CA1337105C (fi) |
DE (1) | DE68909682T2 (fi) |
DK (1) | DK265189A (fi) |
ES (1) | ES2059797T3 (fi) |
FI (1) | FI94091C (fi) |
FR (1) | FR2632185B1 (fi) |
IE (1) | IE62810B1 (fi) |
IL (1) | IL90446A (fi) |
MA (1) | MA21564A1 (fi) |
MX (1) | MX170473B (fi) |
MY (1) | MY104443A (fi) |
NO (1) | NO176231C (fi) |
NZ (1) | NZ229339A (fi) |
PH (1) | PH27099A (fi) |
PT (1) | PT90710B (fi) |
TN (1) | TNSN89058A1 (fi) |
ZA (1) | ZA894095B (fi) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646665B1 (fr) * | 1989-05-03 | 1991-11-29 | Rhone Poulenc Chimie | Silice pour compositions dentifrices compatible notamment avec les cations metalliques |
FR2732331B1 (fr) * | 1995-03-29 | 1997-06-20 | Rhone Poulenc Chimie | Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant du zinc et leur utilisation au renforcement des elastomeres |
FR2732330B1 (fr) * | 1995-03-29 | 1997-06-20 | Rhone Poulenc Chimie | Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant du zinc et leur utilisation au renforcement des elastomeres |
EP0933078A3 (de) | 1997-12-10 | 2000-02-09 | Degussa-Hüls Aktiengesellschaft | Wirkstoff enthaltende Fällungskieselsäuren |
DE19803066A1 (de) * | 1997-12-10 | 1999-06-24 | Degussa | Wirkstoff enthaltende Fällungskieselsäuren |
ATE240264T1 (de) * | 1998-01-20 | 2003-05-15 | Rhodia Chimie Sa | Kieselsaüremikrokugeln mit sensorischen eigenschaften im mund , verfahren zu ihrer herstellung und zahnpasten die sie enthalten |
FR2781475B1 (fr) * | 1998-07-23 | 2000-09-08 | Alsthom Cge Alcatel | Utilisation d'un creuset en graphite poreux pour traiter des granules de silice |
IL140093A0 (en) * | 1998-12-23 | 2002-02-10 | Advanced Medicine Inc | Glycopeptide derivatives and pharmaceutical compositions containing the same |
DE60229745D1 (de) | 2001-06-25 | 2008-12-18 | Procter & Gamble | Mundpflegezusammensetzungen |
US7445769B2 (en) * | 2002-10-31 | 2008-11-04 | Cadbury Adams Usa Llc | Compositions for removing stains from dental surfaces and methods of making and using the same |
JP4954450B2 (ja) * | 2004-06-14 | 2012-06-13 | ビーエーエスエフ ビューティ ケア ソリューションズ フランス エスエーエス | 弾性繊維形成の不全、欠損又は無秩序による病状に対処するための、リシルオキシダーゼのアイソフォームの活性の誘導 |
US7641892B2 (en) * | 2004-07-29 | 2010-01-05 | Cadburry Adams USA, LLC | Tooth whitening compositions and delivery systems therefor |
US20060024245A1 (en) * | 2004-07-29 | 2006-02-02 | Cadbury Adams, Llc. | Tooth whitening compositions and delivery systems therefor |
US9242125B2 (en) | 2005-07-21 | 2016-01-26 | Coglate-Palmolive Company | Oral composition containing non-aggregated zinc nanoparticles |
JP4658744B2 (ja) * | 2005-09-05 | 2011-03-23 | 花王株式会社 | 歯磨き組成物 |
US8961938B2 (en) * | 2005-09-05 | 2015-02-24 | Kao Corporation | Dentifrice composition |
US20100189663A1 (en) * | 2009-01-24 | 2010-07-29 | Gallis Karl W | Mouth rinse compositions including chemically modified silica or silicate materials for sustained delivery to tooth surfaces |
US20110206749A1 (en) * | 2010-02-19 | 2011-08-25 | J.M. Huber Corporation | Silica materials for reducing oral malador |
US20110236444A1 (en) * | 2010-03-25 | 2011-09-29 | Darsillo Michael S | Antimicrobial Silica Composites |
US11602495B2 (en) | 2013-12-20 | 2023-03-14 | Colgate-Palmolive Company | Core shell silica particles and use for malodor reduction |
MX354968B (es) * | 2013-12-20 | 2018-03-27 | Colgate Palmolive Co | Producto para el cuidado oral con blanqueador dental con particulas de silice de nucleo cubierto. |
US10407236B2 (en) | 2015-12-21 | 2019-09-10 | Philip Morris Products S.A. | Container for consumer goods with sliding inner frame |
EP3720413A1 (en) * | 2017-12-05 | 2020-10-14 | Colgate-Palmolive Company | Zinc/amino acid-functionalized silica |
CN108096292A (zh) * | 2018-01-17 | 2018-06-01 | 刘文强 | 一种脱发再生液配方及制备方法 |
CN117999055A (zh) * | 2021-09-22 | 2024-05-07 | 高露洁-棕榄公司 | 包含胍和亚锡离子源的口腔护理组合物以及方法 |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB710015A (en) * | 1950-12-02 | 1954-06-02 | Degussa | An improved process for the production of finely divided silica |
GB719918A (en) * | 1951-12-11 | 1954-12-08 | Wyandotte Chemicals Corp | Production of pigment grade silica |
US3070426A (en) * | 1959-08-11 | 1962-12-25 | Grace W R & Co | Process for preparing low surface area silica |
FR1327033A (fr) * | 1960-12-24 | 1963-05-17 | Chemische Fabrik Hoesch Kg | Procédé pour l'obtention de produits d'addition très actifs d'oxydes métalliquesà la silice |
DE1807714C2 (de) * | 1968-11-08 | 1971-01-04 | Degussa | Verfahren und Vorrichtung zum kontinuierlichen Vorverdichten sowie gleichzeitigen Formen von feinteiligen Stoffen |
US3963512A (en) * | 1971-02-10 | 1976-06-15 | Commonwealth Scientific And Industrial Research Organization | Modification of mineral surfaces |
US3794712A (en) * | 1971-10-26 | 1974-02-26 | Nat Petro Chem | Preparation of silica gels |
US3800031A (en) * | 1972-04-06 | 1974-03-26 | Grace W R & Co | Process for preparing silica hydrogel |
US3803046A (en) * | 1972-06-28 | 1974-04-09 | Grace W R & Co | Process for preparing silica organogel |
US3934002A (en) * | 1972-06-30 | 1976-01-20 | The Procter & Gamble Company | Oral compositions for plaque, caries and calculus retardation with reduced staining tendencies |
US3893840A (en) * | 1972-09-06 | 1975-07-08 | Huber Corp J M | Amorphous precipitated siliceous pigments and methods for their production |
US3928541A (en) * | 1972-09-05 | 1975-12-23 | Huber Corp J M | Amorphous precipitated siliceous pigments for cosmetic or dentrifrice use and methods for their production |
US3988162A (en) * | 1972-09-06 | 1976-10-26 | J. M. Huber Corporation | Amorphous precipitated silica products and method for their production |
GB1445635A (en) * | 1972-09-06 | 1976-08-11 | Huber Corp J M | Method for producing amorphous precipitated silicic acid pigments |
US4216113A (en) * | 1973-01-18 | 1980-08-05 | W. R. Grace & Co. | Process for preparing thickening grade of silica and process of using same |
US4049781A (en) * | 1973-11-02 | 1977-09-20 | W. R. Grace & Co. | Method of preparing loosely aggregated 200-500 millimicron silica |
US4191742A (en) * | 1974-05-22 | 1980-03-04 | J. M. Huber Corporation | Amorphous precipitated siliceous pigments and methods for their production |
US4015996A (en) * | 1974-10-31 | 1977-04-05 | J. M. Huber Corporation | Amorphous precipitated siliceous pigments |
US4040858A (en) * | 1974-10-31 | 1977-08-09 | J. M. Huber Corporation | Preparation of precipitated silicas having controlled refractive index |
US4144321A (en) * | 1974-10-31 | 1979-03-13 | J. M. Huber Corporation | Amorphous precipitated siliceous pigments and methods for their production |
US4422880A (en) * | 1975-03-12 | 1983-12-27 | J. M. Huber Corporation | Precipitated siliceous products |
DE2544218A1 (de) * | 1975-10-03 | 1977-04-21 | Basf Ag | Verfahren zur herstellung von zinkoxidhaltigen fuellstoffen |
FR2353486A1 (fr) * | 1976-06-04 | 1977-12-30 | Rhone Poulenc Ind | Nouvelle silice de synthese amorphe, procede pour son obtention et application de ladite silice dans les vulcanisats |
GB1580672A (en) * | 1977-03-23 | 1980-12-03 | Mittex Anstalt | Manufacture of silica gel |
US4331706A (en) * | 1977-12-12 | 1982-05-25 | The Sherwin-Williams Company | Composite zinc oxide coating on an inert pigment core product and process |
US4272509A (en) * | 1978-09-19 | 1981-06-09 | J. M. Huber Corporation | Precipitated silicon dioxide cleaning agent and dentifrice composition |
FR2444700A1 (fr) * | 1978-12-20 | 1980-07-18 | Rhone Poulenc Ind | Nouvel agent recurant non abrasif et composition lessivielle le renfermant |
US4340583A (en) * | 1979-05-23 | 1982-07-20 | J. M. Huber Corporation | High fluoride compatibility dentifrice abrasives and compositions |
FR2471947A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Silice de precipitation, notamment utilisable comme charge renforcante |
US4419137A (en) * | 1980-08-09 | 1983-12-06 | The British Petroleum Company Limited | Corrosion inhibitors, method of producing and protective coatings containing same |
US4508607A (en) * | 1982-10-18 | 1985-04-02 | W. R. Grace & Co. | Particulate dialytic silica |
JPS6046915A (ja) * | 1983-08-24 | 1985-03-14 | Taki Chem Co Ltd | 合成無定形ジルコニウム結合珪酸塩及びその製造方法 |
JPS60204613A (ja) * | 1984-03-30 | 1985-10-16 | Nippon Sheet Glass Co Ltd | 高純度シリカゲルの製造方法 |
FR2562534B1 (fr) * | 1984-04-06 | 1986-06-27 | Rhone Poulenc Chim Base | Nouvelle silice precipitee a caracteres morphologiques ameliores, procede pour son obtention et application, notamment comme charge |
FR2567505B1 (fr) * | 1984-07-11 | 1986-11-21 | Rhone Poulenc Chim Base | Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention |
US4562065A (en) * | 1984-12-11 | 1985-12-31 | Colgate-Palmolive Company | Astringent dentifrice |
US4562066A (en) * | 1984-12-11 | 1985-12-31 | Colgate-Palmolive Company | Astringent dentifrice containing monofluorophosphate |
JPS6256319A (ja) * | 1985-09-03 | 1987-03-12 | Nippon Chem Ind Co Ltd:The | 高純度シリカの製造法 |
JPH0643246B2 (ja) * | 1985-10-08 | 1994-06-08 | 川鉄鉱業株式会社 | シリカの高純度化方法 |
GB8604985D0 (en) * | 1986-02-28 | 1986-04-09 | Unilever Plc | Precipitated silicas |
DE3639844A1 (de) * | 1986-11-21 | 1988-06-01 | Degussa | Zahnpflegemittel |
US4973462A (en) * | 1987-05-25 | 1990-11-27 | Kawatetsu Mining Company, Ltd. | Process for producing high purity silica |
FR2649089B1 (fr) * | 1989-07-03 | 1991-12-13 | Rhone Poulenc Chimie | Silice a porosite controlee et son procede d'obtention |
-
1988
- 1988-06-01 FR FR8807279A patent/FR2632185B1/fr not_active Expired - Lifetime
-
1989
- 1989-05-18 US US07/353,528 patent/US5413844A/en not_active Expired - Fee Related
- 1989-05-23 AT AT89401398T patent/ATE95548T1/de not_active IP Right Cessation
- 1989-05-23 EP EP89401398A patent/EP0345116B1/fr not_active Expired - Lifetime
- 1989-05-23 DE DE89401398T patent/DE68909682T2/de not_active Expired - Fee Related
- 1989-05-23 ES ES89401398T patent/ES2059797T3/es not_active Expired - Lifetime
- 1989-05-25 PH PH38694A patent/PH27099A/en unknown
- 1989-05-29 IL IL90446A patent/IL90446A/xx not_active IP Right Cessation
- 1989-05-29 MX MX026521A patent/MX170473B/es unknown
- 1989-05-29 MA MA21815A patent/MA21564A1/fr unknown
- 1989-05-29 MY MYPI89000726A patent/MY104443A/en unknown
- 1989-05-30 NZ NZ229339A patent/NZ229339A/xx unknown
- 1989-05-30 ZA ZA894095A patent/ZA894095B/xx unknown
- 1989-05-30 TN TNTNSN89058A patent/TNSN89058A1/fr unknown
- 1989-05-30 JP JP1134835A patent/JPH0665605B2/ja not_active Expired - Lifetime
- 1989-05-30 NO NO892169A patent/NO176231C/no not_active IP Right Cessation
- 1989-05-30 CN CN89103651A patent/CN1038405A/zh active Granted
- 1989-05-31 FI FI892652A patent/FI94091C/fi not_active IP Right Cessation
- 1989-05-31 CA CA000601239A patent/CA1337105C/fr not_active Expired - Fee Related
- 1989-05-31 DK DK265189A patent/DK265189A/da not_active Application Discontinuation
- 1989-05-31 KR KR1019890007466A patent/KR950003418B1/ko not_active IP Right Cessation
- 1989-05-31 AU AU35883/89A patent/AU621117B2/en not_active Ceased
- 1989-06-01 BR BR898902944A patent/BR8902944A/pt not_active Application Discontinuation
- 1989-06-01 PT PT90710A patent/PT90710B/pt not_active IP Right Cessation
- 1989-06-12 IE IE179389A patent/IE62810B1/en not_active IP Right Cessation
-
1993
- 1993-03-17 CN CN93102987A patent/CN1080843A/zh active Pending
-
1994
- 1994-09-27 US US08/310,773 patent/US5698327A/en not_active Expired - Fee Related
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed |
Owner name: RHONE-POULENC CHIMIE |