Inventor · disambiguated record
Joanne M. Schwark
Also filed as: SCHWARK JOANNE M
11 granted patents·341 citations·filing 1986–1994
93Inventor score
Top patents by PatentIndex Score
11 records- 0196US4929704AIsocyanate- and isothiocyanate-modified polysilazane ceramic precursorsHERCULES INC·Filed 1988·Granted May 29, 1990·71 cites·8 claims
- 0291US4720532AOrganopolysilazane precursors to silicon nitride-rich mixed SiC/Si3 N4MASSACHUSETTS INST TECHNOLOGY·Filed 1986·Granted Jan 19, 1988·56 cites·22 claims
- 0387US5021533ACrosslinkable poly(thio)ureasilazane composition containing a free radical generatorHERCULES INC·Filed 1990·Granted Jun 4, 1991·38 cites·11 claims
- 0486US5032649AOrganic amide-modified polysilazane ceramic precursorsHERCULES INC·Filed 1989·Granted Jul 16, 1991·34 cites·15 claims
- 0585US5001090ASilicon nitride ceramics from isocyanate- and isothiocyanate-modified polysilazanesHERCULES INC·Filed 1990·Granted Mar 19, 1991·30 cites·6 claims
- 0681US5206327APreceramic polymers incorporating boron and their application in the sintering of carbide ceramicsHERCULES INC·Filed 1991·Granted Apr 27, 1993·23 cites·33 claims
- 0778US5386006AShape sintered articles derived from boro-containing polysilazanesFiled 1993·Granted Jan 31, 1995·21 cites·12 claims
- 0872US4767876AMethod for converting organosilicon polymers containing SIH repeat units and organopolysilazane precursors to new and useful preceramic polymers and silicon nitride enriched ceramic materialsMASSACHUSETTS INST TECHNOLOGY·Filed 1986·Granted Aug 30, 1988·19 cites·44 claims
- 0968US5464918APeroxide-substituted polysilazanesLANXIDE TECHNOLOGY CO LTD·Filed 1994·Granted Nov 7, 1995·17 cites·11 claims
- 1064US5155181A(Thio)amide-modified silazane polymer composition containing a free radical generatorHERCULES INC·Filed 1991·Granted Oct 13, 1992·17 cites·11 claims
- 1161US5344907APeroxide-substituted polysilazanesSCHWARK JOANNE M·Filed 1993·Granted Sep 6, 1994·15 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →