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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Bobrowski; Gregory S.
Address:
Park Ridge, IL
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4328145 Additive for air-entrained super plasticized concrete, concrete produced thereby and method of p May 4, 1982
Air entrained, super plasticized concrete having a maximum bubble spacing factor of 0.008 inch (ASTM Standard C 457) and a method for preparing such concrete are disclosed. The method includes the steps of adding an air entraining agent while mixing aggregates and water, adding during th










 
 
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