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Erwin Klingsberg

from Washington, DC
Deceased
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Also known as:
Erwi Klingsberg
Phone and address:
4000 Massachusetts Ave, Washington, DC 20016
(202) 244-7112
Related to:
Calvin Earl Jones, 80Andrew Lee, 68Albert M Jones, 84Anna E Klingsberg
Connected to:
Lisa A Klingseisen, 56Lorraine M Klingshirn, 59Nancy J Klingshirn, 58Sheryl L Klingshirn, 67Jane K Klingsporn, 63Christine M Klingsten, 58Dorothy Kliniewski, 42Carole A Klink, 38Carrie M Klink, 51Clara L Klink, 38

Erwin Klingsberg Phones & Addresses

  • 4000 Massachusetts Ave, Washington, DC 20016 (202) 244-7112
  • 4000 Massachusetts Ave NW APT 930, Washington, DC 20016 (202) 244-7112
  • Mountainside, NJ
  • 3705 Cordova Pl, Fairfax, VA 22031

Publications

Us Patents

Method For The Preparation Of Leuco Crystal Violet Lactone

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US Patent:
44554354, Jun 19, 1984
Filed:
Jan 22, 1979
Appl. No.:
6/005254
Inventors:
John P. Dundon - North Branch NJ
Erwin Klingsberg - Mountainside NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
C07D30778
C09B 1110
US Classification:
549309
Abstract:
Leuco Crystal Violet Lactone is prepared by condensing one molar proportion of each of N,N-dimethylaniline, p-dimethylaminobenzaldehyde, and m-dimethylaminobenzoic acid with 0-1 molar proportion of urea and 1-4 molar proportions of a strong acidic condensing agent.

Non-Pyrophoric Nigrosine Base

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US Patent:
43595774, Nov 16, 1982
Filed:
Apr 4, 1980
Appl. No.:
6/137198
Inventors:
Albrecht H. Granzow - Somerset NJ
Erwin Klingsberg - Mountainside NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
C09B 5700
US Classification:
544348
Abstract:
Nigrosine base (Color Index 50,415:1) which is pyrophoric is made non-pyrophoric by sparging a solution thereof in aniline with air.

Process For Preparing Aryl[4,4'-Bis(Di-Loweralkyl-Amino)Benzhydryl]Sulfones

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US Patent:
42106010, Jul 1, 1980
Filed:
Jan 22, 1979
Appl. No.:
6/005251
Inventors:
John P. Dundon - North Branch NJ
Erwin Klingsberg - Mountainside NJ
John H. Bright - Kendall Park NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
C07C 8520
US Classification:
260570D
Abstract:
Aryl[4,4'-bis(di-loweralkylamino)benzhydryl]-sulfones are prepared by reacting a 4-di(loweralkylamino)benzaldehyde with a di(loweralkyl)aniline and an aryl sulfinate.
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Erwin Klingsberg from Washington, DCDeceased Get Report