The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 1980
Filed:
Jan. 12, 1979
Applicant:
Inventors:
William K Baer, Glen Ellyn, IL (US);
Ralph R Nielsen, Oak Lawn, IL (US);
Joseph F Vartiak, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Oakbrook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G / ; A01C / ;
U.S. Cl.
CPC ...
111-1 ; 47-9 ; 111-6 ;
Abstract
Reduction of encrustation of a soil where tender crops are germinated by treating the seed bed with an effective amount of a quaternary ammonium cationic polymer, either polydiallyl dimethyl ammonium chloride or a polymer of dimethylamine/epichlorohydrin dissolved in water.