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:
Nov. 15, 2022
Filed:
Aug. 02, 2018
Applicant:
Dynisco Instruments Llc, Franklin, MA (US);
Inventors:
John A. Czazasty, Norton, MA (US);
Michael P. Leonardi, Mansfield, MA (US);
Assignee:
Dynisco Instruments LLC, Franklin, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 11/02 (2006.01); G01N 11/00 (2006.01);
U.S. Cl.
CPC ...
G01N 11/02 (2013.01); G01N 2011/0006 (2013.01);
Abstract
Methods and apparatus are disclosed for correcting for gravitational force variation in measuring the melt flow index of a polymer at a location. For example, ample, some embodiments may involve determining a value representing an extent to which gravitational force at the location varies from standard gravity, such as based at least in part upon the latitude of the location. The value may be used in correcting the melt flow index measured for the polymer using a plastometer at the location.