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:
May. 27, 1997
Filed:
Jun. 05, 1995
Applicant:
Inventors:
Junaid A Siddiqui, Richmond, VA (US);
Paul D Mills, Darlington, GB;
Assignees:
Imperial Chemical Industries PLC, , GB;
ICI Americas Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428325 ; 428331 ; 428480 ;
Abstract
The present invention relates to films or sheets of linear polyester having incorporated therein a combination of glass spheres and calcined clay having certain particle sizes and present in specific amounts based upon the weight of the polyester film. The addition of these fillers improves several properties of the film, including the handleability while maintaining acceptable optical clarity and transparency and to the method of making such films or sheets.
Siddiqui, Junaid. (1997). Polyester films containing glass spheres and calcined china clay (U.S. Patent No. 5633080). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5633080
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile