Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
197 words
An electrophotographic toner capable of being electrified nagatively comprising: (a) a binder resin; and (b) a charge-controlling and coloring agent comprising at least one 2:1 type metal complex of the formula (I): where each of X 1 and X 2 , which may be the same or different, is a hydrogen atom, a C 1 -C 5 alkyl group, a C 1 -C 5 alkoxy group, a nitro group or a halogen atom, each of m and m' is an integer of 1 to 3, each of R 1 and R 2 , which may be the same or different, is a hydrogen atom, a C 1 -C 5 alkyl group, a C 1 -C 5 alkoxy group, a halogen atom, a nitro group, a sulfonamide group, a methylsulfonyl group, an ethylsulfonyl group, an acetyl amino group or a benzoyl amino group, each of n and n' is an integer of 1 to 3, Y⊕ is an ammonium ion, an aliphatic ammonium ion, an alicyclic ammonium ion or a heterocyclic ammonium ion, and M is a chromium atom, a cobalt atom or an iron atom, provided that R 1 and R 2 are not simultaneously nitro groups.
Claim 2
Dependent Claim
197 words
An electrophotographic toner capable of being electrified nagatively comprising: (a) a binder resin; and (b) a charge-controlling and coloring agent comprising at least one 2:1 type metal complex of the formula (I): where each of X 1 and X 2 , which may be the same or different, is a hydrogen atom, a C 1 -C 5 alkyl group, a C 1 -C 5 alkoxy group, a nitro group or a halogen atom, each of m and m' is an integer of 1 to 3, each of R 1 and R 2 , which may be the same or different, is a hydrogen atom, a C 1 -C 5 alkyl group, a C 1 -C 5 alkoxy group, a halogen atom, a nitro group, a sulfonamide group, a methylsulfonyl group, an ethylsulfonyl group, an acetyl amino group or a benzoyl amino group, each of n and n' is an integer of 1 to 3, Y⊕ is an ammonium ion, an aliphatic ammonium ion, an alicyclic ammonium ion or a heterocyclic ammonium ion, and M is a chromium atom, a cobalt atom or an iron atom, provided that R 1 and R 2 are not simultaneously nitro groups.
Claim 3
Dependent Claim
137 words
The electrophotographic toner according to Claim 1, wherein Y⊕ is a cation selected from the group consisting of NH 4 , NH 3 CH 2 CH 2 CH 3 OC 8 H 16 , H 3 NC 3 H 6 OC 8 H 17 , H 3 N-(C 4 H 9 ), H 3 NC 8 H 17 , H 3 N(̵CH 2 )̵ 5 CHClCH 3 , H 3 NC 12 H 25 , H (C 3 H 7 )̵ 2 N(̵CH 2 )̵ 4 CH=CH-CH 2 CH 3 , H 2 -(C 4 H 9 ) , (C 12 H 25 )̵N(̵C 2 H 5 ) 2 , H 2 N(CH 3 ) 2 , H H 3 NC 3 H 6 OC 4 H 9 , H 3 NC 4 H 9 , and
Claim 4
Dependent Claim
60 words
The electrophotographic toner according to Claim 1, wherein each of X 1 and X 2 is -H, -NO 2 , -OCH 3 , -Cl or -CH 3 , and ech of R 1 and R 2 is -H, -Cl,-CH3, -C 4 H 9 , -NO 2 , -COCH 3 , -SO 2 NH 2 , -CHO or -OCH 3 .
Claim 5
Dependent Claim
54 words
The electrophotographic toner according to Claim 1, wherein the binder resin is a homopolymer or copolymer of styrene, polyvinyl chloride, polypropylene, a silicone resin, polyvinyl butyral, rosin, modified rosin, a terpene resin, a phenolic resin, a xylene resin, an aliphatic or alicyclic hydrocarbon, an aromatic series petroleum resin, a chlorinated paraffin, or paraffin wax.