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. 01, 1980
Filed:
Apr. 28, 1978
Applicant:
Inventor:
Leonard A Bunes, San Carlos, CA (US);
Assignee:
Dynapol, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23L / ; C09B / ;
U.S. Cl.
CPC ...
546 76 ; 260377 ; 424 63 ; 426540 ; 546 26 ; 546 27 ;
Abstract
Orange colors having the anthrapyridine structure ##STR1## are disclosed wherein R.sub.1 and R.sub.2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, R.sub.3 and R.sub.4 are independently selected from hydrogens, alkyls and alkylsulfonates of 1 through 3 carbon atoms and R.sub.5 is a lower alkyl or lower alkyl sulfonate.