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:
Jan. 02, 1996
Filed:
Aug. 12, 1994
Mahendra K Sharma, Kingsport, TN (US);
Suzanne W Dobbs, Kingsport, TN (US);
John J Hiller, Kingsport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
The present invention relates to an ozone-friendly correction fluid which dries quickly and bonds to paper surfaces for correcting all types of markings. The ozone-friendly correction fluid does not contain halogenated solvents or hydrocarbon solvents. More specifically, the correction fluid contains an acrylic resin having a weight average molecular weight (Mw) less than 40,000, acetone, and an opacifying pigment. The ozone-friendly correction fluid of the present invention may contain up to 80% solids and may be applied for correcting typewritten, handwritten, photocopied or laser-jet printed markings formed from waterborne or solventborne inks.