Dionex的US专利
PAT. NO. Title
1 6,623,630 Method and apparatus for monitoring a fluid system
2 6,610,546 Continuous electrolytically regenerated packed suppressor for ion chromatography
3 6,562,628 Electrolytic suppressor and separate eluent generator combination
4 6,508,985 Continuous electrolytically regenerated packed bed suppressor for ion chromatography
5 6,495,371 Continuous electrolytically regenerated packed bed suppressor for ion chromatography
6 6,436,719 Displacement chemical regeneration method and apparatus
7 6,425,284 Method and apparatus for gas-assisted suppressed chromatography
8 6,328,885 Current-efficient suppressors
9 6,325,976 Continuous electrolytically regenerated packed bed suppressor for ion chromatography
10 6,316,271 Acid or base generator and method of use
11 6,316,270 Acid base or generator
12 6,315,954 Acid or base generator and analyzer
13 6,248,798 Anion-exchange resins including ion-exchange groups with at least two nitrogen groups, and methods of making and using same
14 6,225,129 Large capacity acid or base generation apparatus and method of use
15 6,077,434 Current-efficient suppressors and method of use
16 6,074,541 Preformed polymer coating process and product
17 6,045,846 Produce sterilization
18 6,036,921 Acid or base generator with chromatograph
19 6,027,643 Ion chromatographic method and apparatus using a combined suppressor and eluent generator
20 6,001,081 Kink inhibiting device
21 5,968,363 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography
22 5,936,003 Hydrolytically stable resins for use in anion-exchange chromatography
23 5,925,253 Hydrolytically stable resins for use in anion-exchange chromatography
24 5,914,025 Ion chromatographic method and apparatus using ion reflux
25 5,865,994 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography
26 5,843,311 Accelerated solvent extraction method
27 5,801,302 Multicycle loop injection for trace analysis by ion chomatography apparatus and method
28 5,792,331 Preformed polymer coating process and product
29 5,785,856 Automated accelerated solvent extraction apparatus and method
30 5,773,615 Intermittent electrolytic packed bed suppressor regeneration for ion chromatography
31 5,739,422 Multicycle loop injection for trace analysis by ion chromatography apparatus and method
32 5,667,657 Pressure injection apparatus and method for injecting a sample into an electrophoresis capillary
33 5,660,727 Automated analyte supercritical fluid extraction apparatus
34 5,647,976 High pressure and temperature cell for solvent extraction
35 5,633,171 Intermittent electrolytic packed bed suppressor regeneration for ion chromatography
36 5,616,227 Method for extending the life of electrophoretic gels
37 5,597,734 Ion chromatography using frequent regeneration of batch-type suppressor
38 5,597,481 Electrochemical pretreatment system for liquid sample analysis
39 5,571,725 Method for precipitation of insoluble salts in divalent ion-form materials
40 5,569,365 Intermittent electrolytic membrane suppressor regeneration for ion chromatography
41 5,532,279 Ion-exchange composition employing resin attachment to dispersant and method for forming the same
42 5,518,622 Electrochemical pretreatment system for liquid sample analysis
43 5,457,626 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
44 5,441,613 Methods and apparatus for real-time monitoring, measurement and control of electroosmotic flow
45 5,352,360 Ion chromatography system using electrochemical suppression and detector effluent recycle
46 5,324,752 Ion-exchange composition employing resin attachment to dispersant and method for forming the same
47 5,316,630 Methods for chromatography analysis
48 5,296,115 Method and apparatus for improved detection of ionic species by capillary electrophoresis
49 5,271,903 Supercritical fluid extraction restrictor and collection system
50 5,248,426 Ion chromatography system using electrochemical suppression and detector effluent recycle
PAT. NO. Title
51 5,045,204 Method and apparatus for generating a high purity chromatography eluent
52 4,999,098 Modified membrane suppressor and method for use
53 4,839,788 Bipolar voltage to frequency converter
54 4,751,189 Method for balancing background conductivity for ion chromatography
55 4,700,059 Chromatographic optical detector with logarithmic calibration circuit
56 4,644,807 Fluid sample delivery apparatus
57 4,512,545 Externally actuated valve assembly and method
58 4,486,312 Analysis of liquid streams using tubing with protuberances on its inner wall
59 4,482,967 Conductivity detector and method
60 4,455,233 Method and apparatus for ion analysis and detection using reverse mode suppression
61 4,376,047 Coated resin ion exchange composition
62 4,351,909 High performance ion-exchange composition
63 4,314,823 Combination apparatus and method for chromatographic separation and quantitative analysis of multiple ionic species
64 4,265,634 Chromatographic separation and quantitative analysis of ionic species
65 4,242,097 Method and apparatus for quantitative analysis of weakly ionized anions or cations
66 4,148,705 Gas plasma reactor and process
67 4,127,437 Process for etching SiO.sub.2 utilizing HF vapor and an organic catalyst
68 4,119,580 Method for forming agglomerated ion exchange resin
Metrohm的US专利
PAT. NO. Title
1 6,182,517 Burette tip
2 6,153,101 Device for ion-exchange chromatography and method of cyclically regenerating a plurality of suppressors of such a device
3 5,861,097 Method and device for preparing samples
4 5,686,829 Voltammetric method and apparatus
5 5,296,193 Combined titration apparatus
6 5,062,547 Volume measurement and dosage device
7 4,715,237 Process and apparatus for quantitative and/or qualitative analysis of liquids