Method of improving the crushing strength and reducing the...

Details Method of improving the crushing strength and reducing the... Method of improving the crushing strength and reducing the...

2005-06-02

2010-10-19

Langel, Wayne (Department: 1793)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C071S028000, C071S030000

Reexamination Certificate

active

07816561

ABSTRACT:
The invention relates to a method of improving the crushing strength and reducing the dust formation and the caking tendency of urea particles by the addition of an organic compound to the molten urea, where at least one carbohydrate and optionally a polyvinyl compound is added to the urea. The invention also relates to a composition to be used as a urea additive.

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European communication dated Jul. 21, 2009 issued in connection with European Patent Application No. 05 744 876.3 corresponding to the present U.S. application.
G.P. Moss et al., “Nomenclature of Carbohydrates”, International Union of Pure and Applied Chemistry and International Union of Biochemistry and Molecular Biology, [Online] 1996, Retrieved from the Internet: URL:http://www.chem.qmul.ac.uk/lupac/2carb /22 [retrieved on Jul. 8, 2009].

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