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:
Feb. 04, 1992
Filed:
Nov. 19, 1990
Ponnampalam Mathiaparanam, Appleton, WI (US);
Appleton Papers Inc., Appleton, WI (US);
Abstract
Bis-(indolyl)ethylenes of the following general formula are prepared: ##STR1## wherein a is 1 or 2, wherein b is 1 or 2, wherein each A is independently selected from a dialkylamino, dialkoxyalkylamino, diaroxyalkylamino, diarylamino, alkylarylamino, dicyloalkylamino, alkylcycloalkylamino, arylcycloalkylamino, pyrrolidino, piperidino, or morpholino radical, wherein each B is independently selected from A or an alkoxy, alkoxyalkyl or aroxy radical, wherein each R is independently selected from hydrogen, halogen, alkyl, or alkoxy, wherein each of R.sup.5, R.sup.5', R.sup.6, and R.sup.6' are each independently selected from hydrogen, alkyl (C.sub.1 -C.sub.8), alkoxyalkyl, aroxyalkyl, halogen, phenyl, or phenyl substituted by alkyl or alkoxy, the alkyl moieties referred to herein being of one to eight carbons, the cycloalkyl moieties referred to herein being of three to six carbons.