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, 1978
Filed:
May. 19, 1976
Applicant:
Inventor:
Jean-Philippe Pied, Verneuil en Halatte, FR;
Assignee:
Societe des Plastiques de Carmaux Scasar, Saint Benoit de Carmaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
A01G / ;
U.S. Cl.
CPC ...
47-9 ; 47 29 ; 47 17 ; 260 4246 ; 47DI / ;
Abstract
A method for increasing the productive yield of crops by heat retention, comprising covering or mulching the crops with a polyolefin film containing from about 1 to 15% based on the weight of the polyolefin of an essentially dehydrated kaolinite containing from about 51 to 57% by weight silica, 40 to 46% by weight alumina and less than 3% impurities.