主题：戴安和万通公司的各自专利

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