Patent · US Expired

Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use

US4454258A · kind A · utility

10Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 1982
Grant dateJun 12, 1984
Priority date
Expiry dateJan 20, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Resin-forming material suitable for medical or dental use comprising tetramethylolmethane tri- or tetracrylate or tetramethylolmethane tri- or tetramethacrylate; and implant material suitable for medical or dental use comprising nitride of at least one member of metal selected from the group consisting of Group IVB, Group VB and Group VIB in the periodic table of elements and boron, aluminum and silicon and having Mohs' scale of hardness of at least 7.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.