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. 28, 1979
Filed:
Dec. 27, 1977
Applicant:
Inventors:
Kenneth J Page, London, GB;
Michael A Scott, Huntington, NY (US);
Assignee:
Columbia Ribbon and Carbon Manufacturing Co., Inc., Glen Cove, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 23 ; 106 19 ; 106 26 ; 106190 ; 106204 ;
Abstract
Correction compositions for the masking of erroneous typed images preliminary to the typing of correct images thereover, characterized by the presence of a volatile solvent mixture having a predetermined evaporation rate at ordinary room temperatures, a high flash point and providing vapors which are non-flammable and non-toxic as a result of drying of the compositions under normal office conditions. The solvent mixtures used according to the present invention comprise methyl chloroform and perchlorethylene.