Patents by Inventor Anthony G. W. Baxter
Anthony G. W. Baxter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5118737Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ringa and b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;M is H, ammonium, or a monovalent metal;X (i) NR.sup.1 R.sup.2, (ii) NR.sup.3 R.sup.4, in which R.sup.3 and R.sup.Type: GrantFiled: June 22, 1990Date of Patent: June 2, 1992Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4799960Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O) .sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ringa and b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;q is 1/2 or 1p is 1 or 2L is a transition metal capable of complexing with a dyeM is H, ammonium, or a monovalent metal;Q is H or SO.sub.3 MT is H or C.sub.1-4 -alkyl;D is a substituted azo group;B, E and F are H or substituents;X is NR.sup.1 R.sup.2, NR.sup.3 R.sup.4, --NR.sup.3 --Z--NR.sup.4 --, OR.sup.3, or the residue of a mono- or bis-azo chromophore comprising benzene, naphthalene or mono- or bi- cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group, wherein R.sup.3 & R.sup.Type: GrantFiled: November 10, 1986Date of Patent: January 24, 1989Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4790879Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ringa and b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;q is 1/2 or 1p is 1 or 2L is a transition metal capable of complexing with a dyeM is H, ammonium, or a monovalent metal;B, D, F and E are H or substituents;X is NR.sup.1 R.sup.2, NR.sup.3 R.sup.4, --NR.sup.3 --Z--NR.sup.4 --, OR.sup.3, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or hetero-mono- or bi- cyclic diazo and coupling components, linked to the triazine nucleus through a primary or secondary amino linking group in which R.sup.3 and R.sup.Type: GrantFiled: December 22, 1986Date of Patent: December 13, 1988Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4780532Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ringa & b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;q is 1/2 or 1p is 1 or 2L is a transition metal capable of complexing with a dyeM is H, ammonium, or a monovalent metal;B, D, F & E are H or substituents;X is NR.sup.1 R.sup.2, NR.sup.3 R.sup.4, --NR.sup.3 --Z--NR.sup.4 --, OR.sup.3, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or hetero-mono- or bi-cyclic diazo and coupling components, linked to the triazine nucleus through a primary or secondary amino linking group in which R.sup.3 and R.sup.Type: GrantFiled: August 12, 1985Date of Patent: October 25, 1988Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4772323Abstract: An ink comprising at least one water-soluble dye, free from cellulose-reactive groups, of the formula: ##STR1## wherein, R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ring;a and b are different and from 2 to 8m is from 1 to 10; n is from 0 to 9;M is H, ammonium or sodium, potassium or lithium;X is (i) NR.sup.1 R.sup.2, (ii) NR.sup.3 R.sup.4, in which R.sup.3 and R.sup.4 are each independently selected from H, alkyl and aryl, or (iii) a mono- or dis-azo chromophore consisting of benzene, naphthalene or mono- or bi-cyclic heteroaryl diazo and coupling components linked to the triazine nucleus through an amino linking group, NR.sup.9, in which R.sup.9 is H, C.sub.1-4 -alkyl or phenyl;R.sup.5 and R.sup.6 are selected from SO.sub.3 M and H provided at least one is SO.sub.3 M;R.sup.7 is H, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, SO.sub.Type: GrantFiled: June 29, 1987Date of Patent: September 20, 1988Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4758658Abstract: A water-soluble dye, free from cellulose-reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ring;a & b are different and from 1 to 8m is from 1 to 10; n is from 0 to 9;M is H, ammonium or a monovalent metal;X is (i) NR.sup.1 R.sup.2, (ii) NR.sup.3 R.sup.4, in which R.sup.3 and R.sup.4 are each independently selected from H, alkyl and aryl, or (ii) a mono- or dis-azo chromophore comprising benzene, naphthalene or mono - or bi-cyclic heteroaryl diazo and coupling components linked to the triazine nucleus through an amino linking group;R.sup.5 & R.sup.6 are selected from SO.sub.3 M and H provided at least one is SO.sub.3 M;R.sup.7 is H, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, SO.sub.3 M or COOM;and R.sup.8 is H or SO.sub.3 M,a printing ink containing the dye and a method of printing.Type: GrantFiled: September 22, 1986Date of Patent: July 19, 1988Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4746733Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H;R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H; orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ring;a & b are different and from 1 to 8;m is from 1 to 10;n is from 0 to 9;Y is a triphendioxazinylene (TPD) group;M is H, ammonium, or a metal;X is NR.sup.1 R.sup.2, alkoxy, NR.sup.3 R.sup.4 in which R.sup.3 and R.sup.4 are each independently selected from H, alkyl, aryl and heteroaryl, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or mono- or bi-cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group;andZ is an alkylene, arylene or aralkylene group,suitable for the preparation of a printing ink, especially for ink jet printing.Type: GrantFiled: August 12, 1985Date of Patent: May 24, 1988Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4738721Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ringa and b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;Y is a triphendioxazinylene (TPD) group;M is H, ammonium, or a metal;X is NR.sup.1 R.sup.2, alkoxy, NR.sup.3 R.sup.4 in which R.sup.3 and R.sup.4 are each independently selected from H, alkyl, aryl and heteroaryl, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or mono- or bi-cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group; andZ is an alkylene, arylene or aralkylene group, suitable for the preparation of a printing ink, especially for ink jet printing.Type: GrantFiled: December 18, 1986Date of Patent: April 19, 1988Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4735657Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 and R.sup.2 together with the nitrogen atom form a morpholine ringa and b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;Y is the residue of a copper phthalocyanine sulphonic acid of the formula:CuPc(SO.sub.3 M).sub.qp is from 1 to 3q is from 1 to 3p+q is from 3 to 4M is H, ammonium, or a monovalent metal;X is NR.sup.1 R.sup.2, alkoxy, NR.sup.3 R.sup.4 in which R.sup.3 and R.sup.Type: GrantFiled: September 4, 1986Date of Patent: April 5, 1988Assignee: Canon Kabushiki KaishaInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4705528Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ringa & b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;q is 1/2 or 1p is 1 or 2L is a transition metal capable of complexing with a dyeM is H, ammonium, or a monovalent metal;Q is H or SO.sub.3 MT is H or C.sub.1-4 -alkyl;D is a substituted azo group;B, E & F are H or substituents;X is NR.sup.1 R.sup.2, NR.sup.3 R.sup.4, --NR.sup.3 --Z--NR.sup.4 --, Or.sup.3, or the residue of a mono- or bis-azo chromophore comprising benzene, naphthalene or mono- or bi- cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group, wherein R.sup.3 & R.sup.Type: GrantFiled: August 12, 1985Date of Patent: November 10, 1987Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4703113Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ringa & b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;M is H, ammonium, or a monovalent metal;X (i) NR.sup.1 R.sup.2, (ii) NR.sup.3 R.sup.4, in which R.sup.3 and R.sup.Type: GrantFiled: August 12, 1985Date of Patent: October 27, 1987Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood