EE03093B1 - Optiliselt aktiivsed adsorbendid, nende valmistamise meetod ja kasutamine, lähteühendid ja nende valmistamise meetod - Google Patents
Optiliselt aktiivsed adsorbendid, nende valmistamise meetod ja kasutamine, lähteühendid ja nende valmistamise meetodInfo
- Publication number
- EE03093B1 EE03093B1 EE9400191A EE9400191A EE03093B1 EE 03093 B1 EE03093 B1 EE 03093B1 EE 9400191 A EE9400191 A EE 9400191A EE 9400191 A EE9400191 A EE 9400191A EE 03093 B1 EE03093 B1 EE 03093B1
- Authority
- EE
- Estonia
- Prior art keywords
- preparation
- optically active
- active adsorbents
- starting materials
- adsorbents
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/26—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
- C07C271/28—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
- B01J20/3217—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
- B01J20/3219—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond involving a particular spacer or linking group, e.g. for attaching an active group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/327—Polymers obtained by reactions involving only carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C235/06—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/26—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
- C07C271/30—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a six-membered aromatic ring being part of a condensed ring system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/235—Saturated compounds containing more than one carboxyl group
- C07C59/245—Saturated compounds containing more than one carboxyl group containing hydroxy or O-metal groups
- C07C59/255—Tartaric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyesters Or Polycarbonates (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203646A SE500248C2 (sv) | 1992-12-03 | 1992-12-03 | Kirala adsorbenter och framställning av dessa samt föreningar på vilka adsorbenterna är baserade och framställning av dessa föreningar |
Publications (1)
Publication Number | Publication Date |
---|---|
EE03093B1 true EE03093B1 (et) | 1998-06-15 |
Family
ID=20388020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EE9400191A EE03093B1 (et) | 1992-12-03 | 1994-11-17 | Optiliselt aktiivsed adsorbendid, nende valmistamise meetod ja kasutamine, lähteühendid ja nende valmistamise meetod |
Country Status (19)
Country | Link |
---|---|
US (2) | US6277782B1 (es) |
EP (1) | EP0671975B2 (es) |
JP (1) | JP3212093B2 (es) |
AT (1) | ATE168586T1 (es) |
AU (1) | AU5663594A (es) |
BR (1) | BR9307571A (es) |
CA (1) | CA2150712C (es) |
CZ (1) | CZ290687B6 (es) |
DE (1) | DE69319922T3 (es) |
DK (1) | DK0671975T4 (es) |
EE (1) | EE03093B1 (es) |
ES (1) | ES2119999T5 (es) |
FI (1) | FI120876B (es) |
HU (1) | HU217987B (es) |
NO (1) | NO305195B1 (es) |
PL (1) | PL193823B1 (es) |
RU (1) | RU2121395C1 (es) |
SE (1) | SE500248C2 (es) |
WO (1) | WO1994012275A1 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE500248C2 (sv) | 1992-12-03 | 1994-05-24 | Eka Nobel Ab | Kirala adsorbenter och framställning av dessa samt föreningar på vilka adsorbenterna är baserade och framställning av dessa föreningar |
ATE340192T1 (de) * | 1998-10-16 | 2006-10-15 | Ge Healthcare Bio Sciences Ab | Lagerstabile zusammensetzung enthaltend quadratsäure-aktivierten träger, der für die immobilisierung von amingruppen enthaltenden substanzen benutzt werden kann |
JP4293792B2 (ja) * | 2001-04-27 | 2009-07-08 | ダイセル化学工業株式会社 | 多環式構造を有する多糖誘導体よりなる分離剤 |
FR2829947B1 (fr) | 2001-09-21 | 2004-10-15 | Chiralsep Sarl | Reseau polymere tridimensionnel reticule, son procede de preparation, materiau support comportant ce reseau et leurs utilisations |
FR2834227A1 (fr) * | 2001-12-27 | 2003-07-04 | Chiralsep Sarl | Materiaux supports optiquement actifs, leur procede de preparation et leurs utilisations |
DE10226923A1 (de) * | 2002-06-17 | 2003-12-24 | Bayer Ag | Verfahren zur Enantiomerenanreicherung von cis-8-Benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonan |
DE602004006975D1 (de) * | 2003-03-27 | 2007-07-26 | Chirosep | Dreidimensionales vernetztes polymernetzwerk, verfahren zu dessen herstellung, dieses enthaltender trägermaterial und ihre verwendung |
US7112277B2 (en) * | 2003-06-30 | 2006-09-26 | Agilent Technologis, Inc. | Methods and systems for separating constituents of a highly aqueous fluid |
DE112005000772B4 (de) * | 2004-04-07 | 2017-12-28 | Waters Technologies Corp. (N.D.Ges.D. Staates Delaware) | Flüssigchromatographiereagenz und Verfahren zum Auftrennen von Enantiomeren |
US8076511B2 (en) * | 2007-05-18 | 2011-12-13 | Ampac Fine Chemicals Llc. | Preparative-scale separation of enantiomers of chiral carboxylic acids |
WO2010148191A2 (en) * | 2009-06-17 | 2010-12-23 | Board Of Regents, The University Of Texas System | Compositions and methods for cyclofructans as separation agents |
UA67354U (uk) | 2011-11-24 | 2012-02-10 | Людмила Дмитрівна Желдак | Водорозчинний лінійний гетероланцюговий диполімер |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5247355B2 (es) | 1974-10-15 | 1977-12-01 | ||
JPS561350A (en) | 1979-06-20 | 1981-01-09 | Shoji Hara | Grafted chromatographic stationary phase or filler and its preparation |
US4318819A (en) * | 1980-02-25 | 1982-03-09 | Uop Inc. | Chiral supports for resolution of racemates |
JPS58202043A (ja) | 1982-05-19 | 1983-11-25 | Sumitomo Chem Co Ltd | グラフトしたクロマトグラフ充填剤およびそれを用いる鏡像体混合物の分析法 |
JPS5950358A (ja) | 1982-09-14 | 1984-03-23 | Sumitomo Chem Co Ltd | 光学活性なカルボン酸をグラフトしたクロマトグラフ充填剤およびそれを用いる鏡像体混合物の分離法 |
JPS59212765A (ja) | 1983-05-19 | 1984-12-01 | Sumitomo Chem Co Ltd | グラフトしたクロマトグラフ充填剤およびそれを用いる鏡像体混合物の分析法 |
JPS6082858A (ja) | 1983-10-13 | 1985-05-11 | Daicel Chem Ind Ltd | 光学分割用吸着剤 |
JPS60193930A (ja) | 1984-03-13 | 1985-10-02 | Daicel Chem Ind Ltd | 分離剤 |
JPS60196663A (ja) | 1984-03-19 | 1985-10-05 | Daicel Chem Ind Ltd | 分離剤 |
JPS61213767A (ja) | 1985-03-20 | 1986-09-22 | Daicel Chem Ind Ltd | 分離剤 |
JPS6277149A (ja) | 1985-09-30 | 1987-04-09 | Suzuki Motor Co Ltd | シリンダブロツクの製造方法 |
JPH0738943B2 (ja) | 1986-05-27 | 1995-05-01 | ダイセル化学工業株式会社 | 複合構造物 |
DE3619303A1 (de) | 1986-06-07 | 1987-12-10 | Merck Patent Gmbh | Optisch aktive adsorbentien |
JPS6320445A (ja) | 1986-07-14 | 1988-01-28 | Nippon Kokan Kk <Nkk> | イオンプレ−テイング |
JPH0833380B2 (ja) | 1986-12-03 | 1996-03-29 | 東ソー株式会社 | 液体クロマトグラフイ−用充てん剤 |
DE3706890A1 (de) | 1987-03-04 | 1988-09-15 | Bayer Ag | Optisch aktive (meth)acrylamide, verfahren zu ihrer herstellung und ihre verwendung zur racematspaltung |
JPS6413064A (en) | 1987-07-06 | 1989-01-17 | Mitsubishi Corp | Meso-tartaric acid amide derivative |
JPH0813793B2 (ja) | 1987-07-06 | 1996-02-14 | 三菱商事株式会社 | 酒石酸アミド誘導体 |
JP2538618B2 (ja) | 1987-10-13 | 1996-09-25 | 昭二 原 | 分離剤 |
JPH01165954A (ja) | 1987-12-21 | 1989-06-29 | Daiso Co Ltd | 光学分割用充填剤 |
JPH01199643A (ja) | 1988-01-30 | 1989-08-11 | Mitsubishi Kasei Corp | 光学分割用吸着剤 |
US5096971A (en) * | 1988-10-24 | 1992-03-17 | Mitsubishi Kasei Corporation | Adsorbent for optical resolution and resolution method employing it |
US5274167A (en) * | 1989-01-26 | 1993-12-28 | Bayer Aktiengesellschaft | Polymeriable optically active (meth) acrylic acid derivatives |
EP0379917B1 (de) † | 1989-01-26 | 1995-08-09 | Bayer Ag | Optisch aktive (Meth)Acrylsäure-Derivate, ihre Herstellung, ihre Polymerisation zu optisch aktiven Polymeren und deren Verwendung |
DE3930344A1 (de) | 1989-09-12 | 1991-03-14 | Merck Patent Gmbh | Silanderivate |
DE4021108A1 (de) | 1990-07-03 | 1992-01-09 | Bayer Ag | Optisch aktive n-(alpha)-fluoracryloyl-aminosaeure-derivate, ihre herstellung, die daraus hergestellten optisch aktiven polymeren und deren verwendung zur spaltung von racematen |
DE4021106A1 (de) | 1990-07-03 | 1992-01-09 | Bayer Ag | Optisch aktive (alpha)-fluoracrylsaeureamide, ihre herstellung, ihre polymerisation zu optisch aktiven polymeren und deren vewendung zur trennung von racematen |
US5268442A (en) * | 1990-11-13 | 1993-12-07 | Brigham Young University | Chiral copolymers with oligosiloxane spacers |
DE4120695A1 (de) * | 1991-06-22 | 1992-12-24 | Bayer Ag | Optisch aktive schwefelhaltige aminosaeure-derivate, ihre herstellung, ihre polymerisation zu optisch aktiven polymeren und deren verwendung |
DE4139747A1 (de) | 1991-12-03 | 1993-06-09 | Bayer Ag, 5090 Leverkusen, De | Fuellstoffhaltige, optisch aktive perlpolymerisate |
SE500248C2 (sv) | 1992-12-03 | 1994-05-24 | Eka Nobel Ab | Kirala adsorbenter och framställning av dessa samt föreningar på vilka adsorbenterna är baserade och framställning av dessa föreningar |
-
1992
- 1992-12-03 SE SE9203646A patent/SE500248C2/sv not_active IP Right Cessation
-
1993
- 1993-12-03 PL PL93310054A patent/PL193823B1/pl not_active IP Right Cessation
- 1993-12-03 BR BR9307571A patent/BR9307571A/pt not_active IP Right Cessation
- 1993-12-03 HU HU9501617A patent/HU217987B/hu not_active IP Right Cessation
- 1993-12-03 ES ES94902169T patent/ES2119999T5/es not_active Expired - Lifetime
- 1993-12-03 CA CA002150712A patent/CA2150712C/en not_active Expired - Fee Related
- 1993-12-03 EP EP94902169A patent/EP0671975B2/en not_active Expired - Lifetime
- 1993-12-03 WO PCT/SE1993/001050 patent/WO1994012275A1/en active IP Right Grant
- 1993-12-03 DK DK94902169T patent/DK0671975T4/da active
- 1993-12-03 DE DE69319922T patent/DE69319922T3/de not_active Expired - Lifetime
- 1993-12-03 JP JP51306394A patent/JP3212093B2/ja not_active Expired - Fee Related
- 1993-12-03 RU RU95113505A patent/RU2121395C1/ru not_active IP Right Cessation
- 1993-12-03 AT AT94902169T patent/ATE168586T1/de active
- 1993-12-03 CZ CZ19951398A patent/CZ290687B6/cs not_active IP Right Cessation
- 1993-12-03 US US08/448,430 patent/US6277782B1/en not_active Expired - Fee Related
- 1993-12-03 AU AU56635/94A patent/AU5663594A/en not_active Abandoned
-
1994
- 1994-11-17 EE EE9400191A patent/EE03093B1/xx unknown
-
1995
- 1995-05-31 FI FI952652A patent/FI120876B/fi not_active IP Right Cessation
- 1995-06-02 NO NO952202A patent/NO305195B1/no not_active IP Right Cessation
-
1999
- 1999-09-28 US US09/408,581 patent/US6333426B1/en not_active Expired - Fee Related
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EE03093B1 (et) | Optiliselt aktiivsed adsorbendid, nende valmistamise meetod ja kasutamine, lähteühendid ja nende valmistamise meetod | |
ES2142506T3 (es) | Fotoiniciadores funcionalizados, derivados y macromeros de los mismos y su uso. | |
DE68910872D1 (de) | Hydrokolloide enthaltende Klebemischung. | |
DE59208029D1 (de) | Lösliche Katalysatorsysteme zur Herstellung von Polyalk-1-enen mit hohen Molmassen | |
DK263686D0 (da) | Polymerkomposition, der kan tvaerbindes | |
DK85491A (da) | Fremgangsmaade til aetsning af overfladen paa polymermaterialer | |
DE58903080D1 (de) | An der luft mit ultravioletten strahlen vernetzbare schmelzhaftkleber. | |
DE3783251D1 (de) | Klebemittelzusammensetzung, daraus hergestellte laminierte gegenstaende und diese enthaltende harzzusammensetzung. | |
DE69738154D1 (de) | Optische auflösung von methylphenidat mittels 0,0'-bisaroyl-weinsäuren | |
PT77717A (de) | Vinylencarbonat-polymerisate verfahren zu ihrer herstellung und ihre herstellung und ihre anwendung | |
DK0545168T3 (da) | Fyldstofholdige, optisk aktive perlepolymerer | |
NO921148D0 (no) | Epihalodyrin/polyamin-polymerer inneholdende lave nivaa avdihalopropanoler, fremgangsmaate for fremstilling av dissesamt papirlim fremstilt av disse | |
DE3476779D1 (en) | Photoresist composition | |
EP0653240A4 (en) | FILTRATION FILM ELEMENT AND METHOD FOR THE PRODUCTION THEREOF. | |
DE3784674D1 (de) | Komplexe von wismut- oder antimonhalogeniden mit aminen nuetzlich als flammenverzoegerer fuer polymere, und diese enthaltende polymer-zusammensetzungen. | |
DE69005573D1 (de) | Räder mit Bremsscheiben. | |
AU2778384A (en) | Application of surfacing sheets to support members therefor eg of plastic sheets, veneers | |
ES2124275T3 (es) | Dipeptidos polimerizables: sintesis, polimerizacion y uso de los polimeros para la separacion cromatografica de enantiomeros. | |
EP0360021A3 (en) | Composition | |
ATE114703T1 (de) | Wärmeschrumpfbarer gegenstand. | |
CA2140303A1 (en) | Adhesive for methacrylate plastics | |
JPS532579A (en) | Preparation of low molecular weight polymers | |
DK0894109T3 (da) | Fremgangsmåde til fremstilling af polyanhydrider |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB4A | Valid patent at the end of a year |
Effective date: 20021231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20031231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20041231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20051231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20061231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20071231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20081231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20091231 |
|
KB4A | Valid patent at the end of a year |
Effective date: 20101231 |