US Patent No: 5,133,868

Number of patents in Portfolio can not be more than 2000

Identification of sulfonation by-products by ion chromatography

Stats

ATTORNEY / AGENT: (SPONSORED)
 

Importance

Loading Importance Indicators... loading....

Abstract

A method for identification and quantification of sulfonation by-products by ion chromatography. The method utilizes 2 eluants and preferably 3 eluants to identify and quantify the by-products on a single chromatographic run.

Loading the Abstract Image... loading....

First Claim

Related Publications

Loading Related Publications... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
MARATHON OIL COMPANYFINDLAY, OH348

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Atwood, Sonia E Littleton, CO 1 4

Cited Art

Patent Info (Count) # Cites Year
 
AMERICAN CYANAMID COMPANY (1)
4,902,751 Preparation of modified acrylamide polymers 17 1989
 
APPLIED AUTOMATION, INC., A DE. CORP. (1)
4,242,207 Filter and fluid analysis system 4 1979
 
MARATHON OIL COMPANY (1)
4,995,982 Process for recovering and purifying a high molecular weight sulfonate 4 1989
 
PHILLIPS PETROLEUM COMPANY (1)
4,728,344 Polymer analysis 16 1984
 
TOYO SODA MANUFACTURING CO., LTD. (1)
4,217,223 Gel permeation chromatograph system 6 1979
 
WATERS TECHNOLOGIES CORPORATION (1)
4,699,718 Ion chromatography method and apparatus 31 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
CORNELL RESEARCH FOUNDATION, INC. (3)
5,316,680 Multimodal chromatographic separation media and process for using same 67 1992
5,431,807 Multimodal chromatographic separation media and process for using same 34 1994
5,522,994 Single column chromatographic determination of small molecules in mixtures with large molecules 49 1995
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
5,587,082 High osmotic pressure chromatography 10 1995