WO200000648-A1 -- US3843517-A   GRACE & CO W R (GRAC);  US5275943-A   DITURO J W (DITU-Individual)   DITURO J W;  US5348803-A   SOUTHWEST RES INST (SWRI)   SCOTT J R,  ALEXANDER M L,  SCHLAMEUS H W,  MARSHALL M C,  MACNAUGHTON M G;  US6121038-A -- US3843517-A   GRACE & CO W R (GRAC);  US3860490-A   NAT PATENT DEV CORP (NPDC);  US4042495-A   SNAM PROGETTI SPA (SNAM);  US4087356-A   ;  US4415661-A   ;  US4415662-A   ;  US5244574-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y;  US5275943-A   DITURO J W (DITU-Individual)   DITURO J W;  US5340376-A   GRACE SIERRA HORTIC (GRAC-Non-standard)   CUNNINGHAM J;  US5348803-A   SOUTHWEST RES INST (SWRI)   SCOTT J R,  ALEXANDER M L,  SCHLAMEUS H W,  MARSHALL M C,  MACNAUGHTON M G;  US5401413-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y,  BERCOVIER H;  US5443845-A   MYCOBAC INC (MYCO-Non-standard)   FELIX E A;  US5510112-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y,  BERCOVIER H;  US5575998-A   ;  US5807724-A   RESNICK J A (RESN-Individual)   RESNICK J A;  US6451585-B1 -- US3843517-A   GRACE & CO W R (GRAC);  US3860490-A   NAT PATENT DEV CORP (NPDC);  US4042495-A   SNAM PROGETTI SPA (SNAM);  US4087356-A   ;  US4415661-A   ;  US4415662-A   ;  US5244574-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y;  US5275943-A   DITURO J W (DITU-Individual)   DITURO J W;  US5340376-A   GRACE SIERRA HORTIC (GRAC-Non-standard)   CUNNINGHAM J;  US5348803-A   SOUTHWEST RES INST (SWRI)   SCOTT J R,  ALEXANDER M L,  SCHLAMEUS H W,  MARSHALL M C,  MACNAUGHTON M G;  US5401413-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y,  BERCOVIER H;  US5443845-A   MYCOBAC INC (MYCO-Non-standard)   FELIX E A;  US5510112-A   YISSUM RES & DEV CO (YISS)   GATT S,  BARENHOLZ Y,  BERCOVIER H;  US5575998-A   ;  US5807724-A   RESNICK J A (RESN-Individual)   RESNICK J A;  US6121038-A   KIRSCHNER L (KIRS-Individual)   KIRSCHNER L;  EP1088109-B1 -- US3843517-A   GRACE & CO W R (GRAC);  US5275943-A   DITURO J W (DITU-Individual)   DITURO J W;  US5348803-A   SOUTHWEST RES INST (SWRI)   SCOTT J R,  ALEXANDER M L,  SCHLAMEUS H W,  MARSHALL M C,  MACNAUGHTON M G