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. 19, 1991
Filed:
Apr. 28, 1988
Applicant:
Inventors:
Assignee:
Chisso Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; D02G / ;
U.S. Cl.
CPC ...
428364 ; 428401 ; 604-1 ;
Abstract
A stick of small diameter being highly stiff, difficult to break or crack and usable as a cotton swab, straw, 'sunokos', etc. is provided, which stick comprises a polypropylene resin as the raw material resin thereof having a crystallinity of 0.945 or more and a melt flow rate of 0.2 to 20 g/10 minutes and satisfying a relation between melt flow rate and Q value of y.gtoreq.2x+8 wherein y represents Q value and x represents melt flow rate and which stick is obtained by molding said polypropylene resin into a stick and stretching this stick to 5 times or more the original length thereof.