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Inventor:
Hays; Byron G.
Address:
Chagrin Falls, OH
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
6488759 Strong monoarylide pigment/hydrocarbyl polypropyleneamine compositions December 3, 2002
One aspect of the invention relates to pigment composition containing a monoarylide pigment and a hydrocarbyl polypropyleneamine compound. Another aspect of the invention relates to making an monoarylide pigment involving coupling a substituted or unsubstituted acetoacetanilide with at l
6254671 Very green-shade yellow metallized disazo pigment July 3, 2001
In one embodiment, the present invention relates to a green shade yellow pigment composition comprising a compound having the formula: ##STR1##wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, an alkyl group having 1 to about 4 carbon atoms, an alkoxy group having 1 to abo
6235100 Metallized azo yellow pigments May 22, 2001
In one embodiment, the present invention relates to a method of preparing a medium shade yellow pigment composition comprising making an azo pigment by coupling (i) two or more diazonium components made from two or more aromatic amines including 2-amino-5-chloro-4-ethylbenzene-1-sulfonic
5889162 Strong green-shade yellow disazo pigment March 30, 1999
In one embodiment, the present invention relates to a green shade yellow pigment composition comprising a compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, an alkyl group having 1 to about 4 carbon atoms, an alkoxy group having 1 t
5746821 Pigment compositions May 5, 1998
Disclosed are compositions comprising one or more compounds characterized by the formula: ##STR1## wherein Ar is an aromatic moiety having at least one substituent which is an acid group or salt thereof; X is a hydrocarbyl, carboxylic acid ester, sulfonic acid ester, carboxylic a
5669967 Pigment compositions September 23, 1997
Disclosed are compositions comprising one or more compounds characterized by the formula: ##STR1## wherein X is a hydrocarbyl, carboxylic acid ester, sulfonic acid ester, carboxylic acid amide or sulfonic acid amide group; Y is a hydrocarbyl, halogen or hydrocarbyloxy group; Ar i










 
 
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