| Patent | Date |
|---|
Method for producing silanes
Grant 7,323,155 - Klein , et al. January 29, 2 | 2008-01-29 |
Process for the utilization of vanadium from chromium ore as vanadium (V) oxide
Grant 7,157,063 - Weber , et al. January 2, 2 | 2007-01-02 |
Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 .mu.m and 300 .mu.m and use of the same
Grant 6,951,637 - Block , et al. October 4, 2 | 2005-10-04 |
Method and facility for producing silane
Grant 6,942,844 - Muller , et al. September 13, 2 | 2005-09-13 |
Method and system for producing silane
Grant 6,905,576 - Block , et al. June 14, 2 | 2005-06-14 |
Method for production of high purity silicon
Grant 6,887,448 - Block , et al. May 3, 2 | 2005-05-03 |
Method for producing silane
Grant 6,852,301 - Block , et al. February 8, 2 | 2005-02-08 |
Method for purifying trichlorosilane
Grant 6,843,972 - Klein , et al. January 18, 2 | 2005-01-18 |
Method for producing trichlorosilane
App 20040101463 - Bulan, Andreas ; et al. | 2004-05-27 |
Method and facility for producing silane
App 20040091412 - Muller, Dirk ; et al. | 2004-05-13 |
Method for producing silane
App 20040062702 - Block, Hans-Dieter ; et al. | 2004-04-01 |
Process for the utilization of vanadium bound in chromium ore as vanadium(V) oxide by electrolysis
App 20040045834 - Weber, Rainer ; et al. | 2004-03-11 |
Method for production of high purity silicon
App 20040047797 - Block, Hans-Dieter ; et al. | 2004-03-11 |
Method for removing aluminum from chlorosilanes
App 20040042949 - Block, Hans-Dieter ; et al. | 2004-03-04 |
Process for the utilization of vanadium from chromium ore as vanadium (V) oxide
App 20040026330 - Weber, Rainer ; et al. | 2004-02-12 |
Method for producing silanes
App 20040030171 - Klein, Stephan ; et al. | 2004-02-12 |
Method for purifying trichlorosilane
App 20040028594 - Klein, Stephan ; et al. | 2004-02-12 |
Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 um and 300um and use of the same
App 20040016392 - Block, Hans-Dieter ; et al. | 2004-01-29 |
Process for the utilization of vanadium in chromium ore as ammonium metavanadate
App 20030219367 - Weber, Rainer ; et al. | 2003-11-27 |
Process for preparing trichlorosilane
App 20020044904 - Bulan, Andreas ; et al. | 2002-04-18 |
Continuous preparation of silica sols which contain large particles
Grant 5,964,693 - Brekau , et al. October 12, 1 | 1999-10-12 |
Process for producing low-salt silica sol dispersions in low-boiling alcohols
Grant 5,885,485 - Brekau , et al. March 23, 1 | 1999-03-23 |
Process for the production and concentration of silica sols
Grant 5,458,812 - Brekau , et al. October 17, 1 | 1995-10-17 |
Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, a method for their preparation, and their use
Grant 5,424,474 - Pohmer , et al. June 13, 1 | 1995-06-13 |
Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing acrylate and/or methacrylate groups
Grant 5,414,102 - Pohmer , et al. May 9, 1 | 1995-05-09 |
Liquid for conditioning tooth or bone substance
Grant 5,258,067 - Podszun , et al. November 2, 1 | 1993-11-02 |
Process for the production of sodium dichromate
Grant 5,250,274 - Lonhoff , et al. October 5, 1 | 1993-10-05 |
Highly branched polyphosphonates
Grant 5,216,113 - Schulz-Schlitte , et al. June 1, 1 | 1993-06-01 |
Process for the preparation of alkali metal dichromates and chromic acid by electrolysis
Grant 5,127,999 - Klotz , et al. July 7, 1 | 1992-07-07 |
Process for the preparation of chromic acid
Grant 5,096,548 - Lonhoff , et al. March 17, 1 | 1992-03-17 |
Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage
Grant 4,344,855 - Schafer , et al. August 17, 1 | 1982-08-17 |
Aromatic polyphosphonates and a process for their production
Grant 4,331,614 - Schmidt , et al. May 25, 1 | 1982-05-25 |
Polyisocyanates which contain carbodiimide groups and which are stable in storage
Grant 4,294,719 - Wagner , et al. October 13, 1 | 1981-10-13 |
Lower alkyl di propargyl phosphates
Grant 4,257,987 - Arend , et al. March 24, 1 | 1981-03-24 |
Propane-1,3-diphosphonic acids for conditioning water
Grant 4,246,103 - Block , et al. January 20, 1 | 1981-01-20 |
Catalyzed production of phosphorous and phosphonous acid ester chlorides
Grant 4,118,435 - Kleinstuck , et al. October 3, 1 | 1978-10-03 |
High molecular weight, insoluble carbodiimidization catalysts
Grant 4,067,820 - Wagner , et al. January 10, 1 | 1978-01-10 |
Graft polymers of vinyl phosphonic acid esters
Grant 4,028,434 - Konter , et al. June 7, 1 | 1977-06-07 |
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