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A stabilizer for thermally stabilizing an organic borate salt represented by formula (1) is disclosed, comprising a compound having one or two nitrogen-containing 5- or 6-membered heterocyclic ring having a double bond within the ring, a compound having a primary, secondary or tertiary amino group,

A stabilizer for thermally stabilizing an organic borate salt represented by formula (1) is disclosed, comprising a compound having one or two nitrogen-containing 5- or 6-membered heterocyclic ring having a double bond within the ring, a compound having a primary, secondary or tertiary amino group, or a compound having a thiol group. Also disclosed are a photosensitive composition comprising the stabilizer, an organic borate salt and if desired, a sensitizing dye or further a bisimidazole compound; a polymerizable composition comprising the photosensitive composition having added thereto at least one monomer having one or more ethylenically unsaturated bond and if desired, a high molecular polymer or further a pigment; and a colored pattern formed by using the polymerizable composition.

대표청구항 ▼

A stabilizer for thermally stabilizing an organic borate salt represented by formula (1) is disclosed, comprising a compound having one or two nitrogen-containing 5- or 6-membered heterocyclic ring having a double bond within the ring, a compound having a primary, secondary or tertiary amino group,

A stabilizer for thermally stabilizing an organic borate salt represented by formula (1) is disclosed, comprising a compound having one or two nitrogen-containing 5- or 6-membered heterocyclic ring having a double bond within the ring, a compound having a primary, secondary or tertiary amino group, or a compound having a thiol group. Also disclosed are a photosensitive composition comprising the stabilizer, an organic borate salt and if desired, a sensitizing dye or further a bisimidazole compound; a polymerizable composition comprising the photosensitive composition having added thereto at least one monomer having one or more ethylenically unsaturated bond and if desired, a high molecular polymer or further a pigment; and a colored pattern formed by using the polymerizable composition. 7, entitled "Hide-Away Wiper Cleaner for Inkjet Printheads". Commonly assigned, co-pending U.S. patent application Ser. No. 09/007,446, filed Jan. 15, 1998, entitled, "Storage and Spittoon System for Waste Inkjet Ink". Commonly assigned, co-pending U.S. patent application Ser. No. 09/302,909, filed Apr. 30, 1999, entitled "Multi-Faceted Wiper Scraper System for Inkjet Printheads". Commonly assigned, co-pending U.S. patent application Ser. No. 09/428,680, filed Oct. 27, 1999, entitled "Dual Wiper Scrapers for Incompatible Inkjet Ink Wipers". British Search Report, dated May 18, 2001. of the paper detection member from the first reference position to the first move position and the displacement from the first move position to the first reference position; and wherein the detector also detects at least one of the displacement of the carriage detection member from the second reference position to the second move position and the displacement from the second move position to the second reference position. 3. The detector unit as set forth in claim 2, wherein the carriage engagement member comes in contact with the carriage detection member when the carriage is situated at a standby position thereof. 4. The detector unit as set forth in claim 2, wherein the detector includes a photo emitter and a photo detector; wherein the photo detector receives the light emitted from the photo emitter when the paper detection member is situated at the first reference position and the carriage detection member is situated at the second reference position; and wherein the light emitted from the photo emitter is shaded when the paper detection member is situated at the first move position and the carriage detection member is situated at the second move position. 5. The detector unit as set forth in claim 4, wherein the paper detection member is pivotable between the first reference position and the first move position about a first fulcrum which defines a first move end and a second move end opposed to the first move end through the first fulcrum in between; wherein the recording paper comes in contact with a first contact portion provided on the first move end of the paper detection member; and wherein the light emitted from the photo emitter is shaded by a first shading plate formed on the second move end of the paper detection member. 6. The detector unit as set forth in claim 4, wherein the carriage detection member is pivotable between the second reference position and the second move position about a second fulcrum which defines a first move end and a second move end opposed to the first move end through the second fulcrum in between; wherein the carriage engagement member comes in contact with a second contact portion provided on the first move end of the carriage detection member; and wherein the light emitted from the photo emitter is shaded by a first shading plate formed on the second move end of the carriage detection member. 7. The detector unit as set forth in claim 2, wherein a cartridge engagement member is provided with the carriage so as to be movable between an absence position and a presence position; wherein the cartridge engagement member is situated at the absence position when the ink cartridge is not mounted in the cartridge holder, and is situated at the presence position when the ink cartridge is mounted in the cartridge holder; wherein the cartridge engagement member is arranged away from the carriage engagement member in the main scanning direction, and arranged such that either the absence position or the presence position is to be abutted against the carriage detection member in accordance with the main scanning movement of the carriage; wherein respective widths of the carriage engagement member and the cartridge engagement member are made different from each other in the main scanning direction; and wherein the carriage detection member is situated at the second move position when the cartridge engagement member comes in contact with the carriage detection member. 8. The detector unit as set forth in claim 7, wherein a plurality of ink cartridges are mounted in the cartridge holder; wherein a plurality of cartridge engagement members are provided in association with the plural ink cartridges; wherein the plural cartridge engagement members are arranged away from each other in the main scanning direction, and arranged such that either the absence position or the presence position is to be subsequently abutted against the carriage detection member in accordance wit