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.

Date of Patent:
Dec. 08, 1998

Filed:

Oct. 07, 1996
Applicant:
Inventors:

Dominique Basset, Bernay, FR;

Marie-Pierre Corbic-Bellinger, Houilles, FR;

Bruno Echalier, Paris, FR;

Assignee:

Elf Atochem S.A., Puteaux, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; A01G / ;
U.S. Cl.
CPC ...
4284744 ; 4283199 ; 428336 ; 428422 ; 428463 ; 4284755 ; 4284761 ; 428520 ; 428516 ; 47-6 ; 47-9 ; 47 58 ;
Abstract

The present invention relates to a film (A) consisting of a mixture comprising at least one polyamide and at least one polyolefin, the said film being placed on agricultural land into which a fumigant is injected. According to a first variant, the invention also relates to a film comprising the above layer (A) and a layer (B) consisting essentially of a polyolefin. According to a second variant, the invention also relates to a film comprising the above layer (A) placed between two layers (B). A coextrusion binder may optionally be placed between the layers (A) and (B) in the two variants. The invention also relates to a process for the treatment of soils by fumigation.


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