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| Number | Title | Issue Date |
| 6040470 | Sulfonyl compound and thermalsensitive recording medium using the same There is provided a developer composition including at least one of sulfonyl compounds represented by formula (1) and at least one of sulfonyl compounds represented by formula 2: ##STR1## wherein X is H or lower alkyl, R1, R2, R... | 03/21/2000 |
| 5393332 | Color developer for pressure-sensitive recording sheets Herein disclosed is a method for preparing a nuclear-substituted salicylic acid or a metal salt thereof represented by the following general formula (1): ##STR1## [wherein R1 and R2 each represents a t-butyl group, a t-amyl ... | 02/28/1995 |
| 5328884 | Pressure sensitive manifold sheet containing color developer composition The present invention provides a color developer composition characterized in that the composition contains a color developer comprising as its main component a nucleus-substituted salicylic acid salt represented by the formula (1) given below, and at lea... | 07/12/1994 |
| 5250108 | Color developer composition, process for preparing aqueous dispersion thereof and pressure sensitive manifold sheet using thereof The present invention provides a color developer composition characterized in that the composition contains a color developer comprising as its main component a nucleus-substituted salicylic acid salt represented by the formula (1) given below, and at lea... | 10/05/1993 |
| 5248828 | Method for preparing sulfones A method for preparing a sulfone represented by the following formula: ##STR1## wherein R' represents a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a halogen atom,... | 09/28/1993 |
| 5235084 | Method for preparing sulfones A method for preparing a sulfone represented by the following formula: ##STR1## wherein R and R' each represent a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a hal... | 08/10/1993 |
| 5204190 | Method for preparing aqueous dispersion of developer and pressure-sensitive recording paper Herein disclosed are a method for preparing an aqueous developer dispersion which comprises the steps of dissolving, in an organic solvent, a developer which comprises a nuclear-substituted salicylic acid salt represented by the following general formula ... | 04/20/1993 |
| 5164001 | Method for preparing aqueous dispersion of developer and pressure-sensitive recording paper Herein disclosed are a method for preparing an aqueous developer dispersion which comprises the steps of dissolving, in an organic solvent, a developer which comprises a nuclear-substituted salicylic acid salt represented by the following general formula ... | 11/17/1992 |
| 5118443 | Developer for pressure-sensitive recording sheets, aqueous dispersion of the developer and method for preparing the developer A developer comprising at least one polyvalent metal salt of a nuclear substituted salicylic acid of the following general formula is provided. ##STR1## In the formula, R1 represents an alkyl group having from 1 to 12 carbon atoms, R2... | 06/02/1992 |
| 5041604 | Process for producing di(aryloxy)alkane A process for producing a high quality di(aryloxy)alkane with a high yield by the use of readily commercially available materials, without using any particular solvent or agent and by means of a simple operation and a general apparatus is provided, which ... | 08/20/1991 |
| 5019548 | Heat sensitive recording material A heat sensitive recording material comprising a substrate and a recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color when contacted therewith, the recording material being... | 05/28/1991 |
| 4950330 | Aqueous dispersion of a developer for pressure-sensitive recording sheet and a process for producing the same An aqueous dispersion of a developer for pressure-sensitive recording sheet, having superior handling performance and storage stability in a high concentration and a process for producing the dispersion are provided, which developer is expressed by the fo... | 08/21/1990 |
| 4618693 | Cyclic organic phosphorus compound and process for producing same A cyclic organic phosphorus compound useful as a stabilizer and a fire retardant for organic substances, particularly, high molecular weight compounds is provided, which compound is expressed by the formula (I): ##STR1## and further a process for pro... | 10/21/1986 |
| 4542395 | Heat-sensitive recording material Novel phenolic compounds useful as a color developer suitable for satisfying the quality requirements of heat-sensitive recording materials are provided, which compounds are expressed by the general formula ##STR1## wherein R1 represents a... | 09/17/1985 |
| 4535190 | Phenolic compounds and a heat-sensitive recording material containing the same Novel phenolic compounds useful as a color developer suitable for satisfying the quality requirements of heat-sensitive recording materials are provided, which compounds are expressed by the general formula ##STR1## wherein R1 represents a... | 08/13/1985 |
| 4317769 | Flame retardants Alkali metal salts or/and alkaline earth metal salts of cyclic phosphorus compounds expressed by the general formula ##STR1## (wherein X1 to X8 each represent hydrogen, halogen, cyano group, acyl group, alkyl group, halogen-subs... | 03/02/1982 |
| 4280951 | Flame retardants Phosphorus-containing condensation products are obtained by effecting condensation between an organophosphorus compound of the Formula, ##STR1## wherein X, Y and Z each is hydrogen or halogen, R1 and R2 each is hydrogen or methy... | 07/28/1981 |
| 4086206 | Organophosphorus compounds and process for the production thereof New phosphorus-containing condensation products are obtained by conducting dehydrocondensation of 10-hydroxymethyl-9, 10-dihydro-9-oxa-10-phosphorphenanthrene-10-oxide compounds with melamine or benzoguanamine. Alternatively, 9, 10-dihydro-9-oxa-10-phosph... | 04/25/1978 |
