|
| US3953171 | 22 Abr 1974 | 27 Abr 1976 | Institut Francais du Petrole, des Carburants et Lubrifiants | Method and apparatus for rapidly evaluating the hydrocarbon production capacity of sediments, using small samples thereof |
| US4018562 | 24 Oct 1975 | 19 Abr 1977 | Antek Instruments, Inc. | Chemiluminescent nitrogen detection apparatus and method |
| US4133640 | 16 Feb 1978 | 9 Ene 1979 | Gulf Oil Corporation | Chromatographic analysis apparatus |
| US4159894 | 13 Feb 1978 | 3 Jul 1979 | The Boeing Company | Method for determining formulation and chemical structure of materials by improved pyrolysis gas chromatography |
| US4224279 | 8 Jun 1978 | 23 Sep 1980 | The United States of America as represented by the Secretary of Commerce | Reactive gas generator |
| US4234315 | 29 Sep 1978 | 18 Nov 1980 | Phillips Petroleum Company | Gas chromatographic analysis method and apparatus |
| US4257772 | 7 May 1979 | 24 Mar 1981 | Carlo Erba Strumentazione S.p.A. | Method and apparatus for chemical analysis of specimens |
| US4344917 | 19 Dic 1980 | 17 Ago 1982 | Phillips Petroleum Company | Sample inlet for analysis instrument and method of sample analysis |
| US4357836 | 19 Dic 1980 | 9 Nov 1982 | Phillips Petroleum Company | Sample injection system for chemical analyzer and method of sample analysis |
| US4359891 | 5 Ene 1981 | 23 Nov 1982 | The Dow Chemical Company | Repetitive chromatographic apparatus |
| US4467038 | 30 Nov 1981 | 21 Ago 1984 | Phillips Petroleum Company | Predetector reservoir for chromatographic analysis instrument |
| US4588422 | 7 Dic 1983 | 13 May 1986 | Elf France | Process and equipment for sampling a gaseous effluent and their application to chromatography |
| US4650499 | 27 Nov 1985 | 17 Mar 1987 | Phillips Petroleum Company | Gas chromatographic apparatus and method |
| US4843016 | 26 Feb 1987 | 27 Jun 1989 | Thermedics Inc. | Detection system and method |
| US4883504 | 20 May 1988 | 28 Nov 1989 | | Gas chromatograph |
| US4944921 | 6 Mar 1984 | 31 Jul 1990 | Maxwell Laboratories | Automated PCB analyzer system |
| US5092155 | 8 Jul 1987 | 3 Mar 1992 | Thermedics Inc. | High speed detection of vapors of specific compounds |
| US5092218 | 8 Jul 1987 | 3 Mar 1992 | Thermedics Inc. | Selective detection of explosives vapors |
| US5092219 | 8 Jul 1987 | 3 Mar 1992 | Thermedics Inc. | Selective decomposition of nitrite esters and nitramines |
| US5108705 | 3 Oct 1990 | 28 Abr 1992 | Thermedics Inc. | Vapor detection with high speed gas chromatography |
| US5240604 | 25 Nov 1992 | 31 Ago 1993 | The Dow Chemical Company | Multidimensional chromatographic system |
| US5268302 | 22 Mar 1993 | 7 Dic 1993 | Thermedics Inc. | Selective, high speed detection of vapors with analysis of multiple GC-separated portions |
| US5338514 | 25 Ago 1993 | 16 Ago 1994 | The Dow Chemical Company | Vented capillary gas chromatography apparatus |
| US5376277 | 28 May 1993 | 27 Dic 1994 | The Dow Chemical Company | Multidimensional chromatographic system |
| US5492555 | 9 Jun 1994 | 20 Feb 1996 | Lovelace Biomedical & Environmental Research Institute, Inc. | Automated two-dimensional interface for capillary gas chromatography |
| US5498279 | 13 May 1994 | 12 Mar 1996 | Chromatofast | High speed gas chromatography system for analysis of polar organic compounds |
| US6730228 | 28 Ago 2002 | 4 May 2004 | Symyx Technologies, Inc. | Methods and apparatus for characterization of polymers using multi-dimensional liquid chromatography with regular second-dimension sampling |
| US6855258 | 28 Ago 2002 | 15 Feb 2005 | Symyx Technologies, Inc. | Methods for characterization of polymers using multi-dimensional liquid chromatography with parallel second-dimension sampling |
| US6866786 | 28 Ago 2002 | 15 Mar 2005 | Symyx Technologies, Inc. | Rapid characterization of polymers |
| US6968729 | 27 Feb 2004 | 29 Nov 2005 | UOP LLC | Method and apparatus for expediting analysis of samples |
| USRE34668 | 31 May 1991 | 19 Jul 1994 | Nitec, Inc. | Chemiluminescent nitrogen detection apparatus and method |