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:
Apr. 28, 1987
Filed:
Jun. 18, 1985
Applicant:
Inventors:
Shigenobu Kawakami, Ichikawa, JP;
Eiichi Matsuzaka, Kawasaki, JP;
Satoshi Narui, Ayase, JP;
Naoya Takahashi, Yokohama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C09D / ;
U.S. Cl.
CPC ...
106311 ; 106 22 ; 106 32 ;
Abstract
A solvent for the dye of pressure-sensitive recording paper which solvent has no offensive odor and both the color developing rate and the density of developed color are excellent. The solvent is characterized in that it comprises a fraction having boiling points in the range of 270.degree. to 350.degree. C. which is prepared by distilling the heavier products obtained from the process for producing ethyltoluene by alkylating toluene with ethylene in the presence of synthetic zeolite catalyst.