Assignee
SHIN NISSO KAKO CO LTD
JP·25 granted patents·194 citations·filing 1974–1989
Top patents by PatentIndex Score
25 records- 0191US3959571AChromogenic fluoran derivatives and the preparation and use thereofSHIN NISSO KAKO CO LTD·Filed 1974·Granted May 25, 1976·59 cites·2 claims
- 0288US4410708AChromogenic fluoran derivatives and the preparation and use thereofSHIN NISSO KAKO CO LTD·Filed 1976·Granted Oct 18, 1983·16 cites·19 claims
- 0380US4568766A4-Hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable recording materialSHIN NISSO KAKO CO LTD·Filed 1984·Granted Feb 4, 1986·18 cites·2 claims
- 0469US4616239A4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable recording materialSHIN NISSO KAKO CO LTD·Filed 1985·Granted Oct 7, 1986·8 cites·13 claims
- 0561US4680598AChromogenic materials employing fluoran compoundsSHIN NISSO KAKO CO LTD·Filed 1986·Granted Jul 14, 1987·16 cites·58 claims
- 0660US4571310AProcess for preparing alkoxyphosphonitrile compoundsSHIN NISSO KAKO CO LTD·Filed 1984·Granted Feb 18, 1986·7 cites·3 claims
- 0759US4687862AFluoran compoundsSHIN NISSO KAKO CO LTD·Filed 1986·Granted Aug 18, 1987·15 cites·6 claims
- 0857US4560526AProcess for preparing molded silicon carbide productSHIN NISSO KAKO CO LTD·Filed 1984·Granted Dec 24, 1985·16 cites·28 claims
- 0949US4668967AFluoran compound and color forming record materials using the sameSHIN NISSO KAKO CO LTD·Filed 1986·Granted May 26, 1987·3 cites·5 claims
- 1049US4613879AChromogenic recording materialsSHIN NISSO KAKO CO LTD·Filed 1984·Granted Sep 23, 1986·2 cites·9 claims
- 1146US4642357AChromogenic recording materialsSHIN NISSO KAKO CO LTD·Filed 1986·Granted Feb 10, 1987·5 cites·1 claims
- 1245US4567028AProcess for the preparation of phosphonitrile chloride oligomerSHIN NISSO KAKO CO LTD·Filed 1985·Granted Jan 28, 1986·8 cites·12 claims
- 1342US4503446AHeat-sensitive color-developing compositionSHIN NISSO KAKO CO LTD·Filed 1982·Granted Mar 5, 1985·4 cites·16 claims
- 1441US4727162AMolecular compound of fluoran compound and ketoneSHIN NISSO KAKO CO LTD·Filed 1986·Granted Feb 23, 1988·1 cites·3 claims
- 1539US4695640AAddition compound of fluoran compounds and ketoneSHIN NISSO KAKO CO LTD·Filed 1985·Granted Sep 22, 1987·1 cites·1 claims
- 1638US4826806AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1987·Granted May 2, 1989·3 cites·10 claims
- 1738US4590498AChromogenic recording materialsSHIN NISSO KAKO CO LTD·Filed 1984·Granted May 20, 1986·3 cites·13 claims
- 1833US4795621AProcess for the preparation of phosphonitrile chloride oligomerSHIN NISSO KAKO CO LTD·Filed 1986·Granted Jan 3, 1989·3 cites·12 claims
- 1932US4954631AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1989·Granted Sep 4, 1990·4 cites·13 claims
- 2031US4677203AChromogenic fluoran derivativesSHIN NISSO KAKO CO LTD·Filed 1983·Granted Jun 30, 1987·1 cites·15 claims
- 2128US4864048AProcess for preparing phosphonitrile compound having substituted hydroxyl groupSHIN NISSO KAKO CO LTD·Filed 1987·Granted Sep 5, 1989·0 cites·21 claims
- 2227US4794069ASpirobenzanthracene phthalide compounds, processes for preparing same and color forming recording materials containing said compoundsSHIN NISSO KAKO CO LTD·Filed 1987·Granted Dec 27, 1988·0 cites·19 claims
- 2327US4665199A3-N-isobutylethylamino-6-methyl-7-phenylaminofluoranSHIN NISSO KAKO CO LTD·Filed 1985·Granted May 12, 1987·0 cites·1 claims
- 2425US4855389AProcess for producing phosphonitrile oligomers containing maleimidophenoxy groupSHIN NISSO KAKO CO LTD·Filed 1987·Granted Aug 8, 1989·1 cites·8 claims
- 2522US4522689AProcess for purifying phosphonitrile chloridesSHIN NISSO KAKO CO LTD·Filed 1984·Granted Jun 11, 1985·0 cites·1 claims
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