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:
Jan. 03, 1978
Filed:
Nov. 23, 1976
Applicant:
Inventors:
Takeshi Hachisu, Ibaraki, JA;
Akinari Uchida, Ibaraki, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ;
U.S. Cl.
CPC ...
210 36 ; 134-7 ; 210D / ; 427222 ; 428407 ;
Abstract
Atactic polypropylene is cooled, disintegrated into granules, mixed with cereal powders such as wheat flour, starch powders, etc. thereby to deposit the cereal powders around the granules, and returned to room temperature thereby to prepare an oil-recovering material. The oil-recovering material is spread onto surfaces of sea water with floating oil or surfaces of land area fouled with oil, such as sand beach, etc. to recover the oil therefrom.