Patent · US Expired

Computer-aided chemical illustration system

US5249137A · kind A · utility

44Cited by
4References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1990
Grant dateSep 28, 1993
Priority date
Expiry dateMar 23, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG16C20/80
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A computer-aided chemical illustration system is disclosed. Techniques provided include: 1) efficient drawing of bonds; 2) drawing different bond types during a single mode; 3) determining bisect angles for bonds; 4) labeling atoms on the fly; 5) automatic alignment of atom labels; 6) custom alignment of atom labels; 7) changing the type, style, or orientation of an object while it is being drawn; 8) detection of ring structures; and 9) shifting bonds around on a ring.

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