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:
Feb. 28, 1984
Filed:
Sep. 21, 1982
Applicant:
Inventors:
Shizuo Narisawa, Ichihara, JP;
Yoshito Taira, Ichihara, JP;
Yuuji Yoshii, Ichihara, JP;
Tomizou Kondou, Kyoto, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ;
U.S. Cl.
CPC ...
524-5 ; 106 90 ; 106 95 ;
Abstract
An improved cement composition having improved crack resistance, water resistance, and which comprises a mixture of a conventional cement composition with an ethylene-vinyl acetate copolymer emulsion containing 1 to 10 parts by weight of a polyvinyl alcohol and 0.1 to 10 parts by weight of a higher fatty acid ester of a polyvalent alcohol having an HLB of 10 or less per 100 parts by weight of the solid resin components of the emulsion.