Inventor · disambiguated record
Tiang-Shing Chang
Also filed as: CHANG TIANG SHING
13 granted patents·614 citations·filing 1980–1997
94Inventor score
Files withBLOCK DRUG CO12
Top patents by PatentIndex Score
13 records- 0192US4521551ADenture fixative composition containing partially neutralized copolymers of maleic acid or anhydride and alkyl vinyl ethers which are optionally partially crosslinkedBLOCK DRUG CO·Filed 1983·Granted Jun 4, 1985·62 cites·17 claims
- 0291US4373036ADenture fixative compositionBLOCK DRUG CO·Filed 1981·Granted Feb 8, 1983·174 cites·16 claims
- 0386US4950697AThermoplastic and injectable endodontic filling compositionsBLOCK DRUG CO·Filed 1988·Granted Aug 21, 1990·44 cites·12 claims
- 0484US4986754AThermoplastic and injectable endodontic filling compositionsBLOCK DRUG CO·Filed 1990·Granted Jan 22, 1991·42 cites·4 claims
- 0583US5188755ASurface erodible controlled releasing, free standing cleansing block and cleaning method for the domestic water closetBLOCK DRUG CO·Filed 1991·Granted Feb 23, 1993·49 cites·17 claims
- 0683US4310516ACosmetic and pharmaceutical vehicle thickened with solid emulsifierBLOCK DRUG CO·Filed 1980·Granted Jan 12, 1982·58 cites·5 claims
- 0774US5750591ADenture adhesive containing partial zirconium, calcium, sodium gantrez saltBLOCK DRUG CO·Filed 1997·Granted May 12, 1998·44 cites·13 claims
- 0869US5753723ADenture fixative with an adhesion promoterFiled 1997·Granted May 19, 1998·41 cites·20 claims
- 0961US4544356AReciprocating dental prophylactic angular deviceBLOCK DRUG CO·Filed 1984·Granted Oct 1, 1985·28 cites·7 claims
- 1060US4542168ADenture fixative composition with partially neutralized and crosslinked polyacrylic acidBLOCK DRUG CO·Filed 1984·Granted Sep 17, 1985·20 cites·11 claims
- 1157US5696181ADenture fixativeBLOCK DRUG CO·Filed 1995·Granted Dec 9, 1997·23 cites·27 claims
- 1254US4470814AMethod of adhering denturesBLOCK DRUG CO·Filed 1983·Granted Sep 11, 1984·15 cites·10 claims
- 1348US5120528ATaste preserving, mild oral hygiene compositionsBLOCK DRUG CO·Filed 1991·Granted Jun 9, 1992·14 cites·16 claims
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