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:
Aug. 10, 2004
Filed:
Jun. 28, 2002
Timothy Lynn Ely, Ras Tanura, SA;
Rashid Mohammad Al-Othman, Dhahran, SA;
Abdul Rahman, Holmfirth, GB;
Douglas Patrick Mitchell, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
An apparatus and method are provided for measuring the physical strength and ability of a solid sample, to resist breakdown into fines after repeated cycles of hydration and regeneration of temperatures in excess of 100° C. The test samples are evaluated using an accelerated degradation apparatus that subjects the sample to a predetermined number of timed cycles of wetting/drying under heat and vacuum, and the weight-percent of any fines produced by the degradation of the sample are measured and recorded after a prescribed number of cycles. Specific values are used for predicting potential useful service life, in years of samples from different commercial manufacturers of the same class of product; the resulting data can be used by manufacturers for more effective quality control of production batches.