Patents Represented by Attorney, Agent or Law Firm David W. Parker
  • Patent number: 6667006
    Abstract: Disclosed is an oil lamp disperser and an oil lamp that disperses a volatile material from a fuel and volatile material mixture while the oil lamp is burning. The volatile material is released from the surface of an emanator element as the fuel and volatile material mixture passes through the emanator element prior to reaching the flame of the lamp. Proper construction of the lamp allows the lamp to volatilize substantial amounts of the volatile material into the surrounding environment.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: December 23, 2003
    Inventor: Victoria M. Richards
  • Patent number: 6514972
    Abstract: A compound of the formula wherein, independently at each occurrence, v, w, and x are selected from C, N, O, and S, with H substitution as needed to fulfill open valence sites; y and z are selected from N and C, with H substitution as needed to fulfill open valence sites, with the proviso that each of w, v, x, y and z is not simultaneously C; the ring formed from v, w, x, y and z may be saturated or unsaturated; and R1, R2, R3 and R4 are selected from hydrogen, alkyl, aryl, alkaryl, aralkyl, heteroalkyl, and heteroaryl; wherein any adjacent two of R1, R2, R3 and R4 may join together to form a 5, 6 or 7-membered carbocyclic or heterocyclic ring, with the proviso that each of R1, R2, R3 and R4 is not simultaneously hydrogen. Pharmaceutical compositions of said compounds, and methods of use in the treatment of biological conditions including cellular hyperproliferation, are disclosed.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: February 4, 2003
    Assignee: Kinetek Pharmaceuticals, Inc.
    Inventors: Zaihui Zhang, Xinyao Du, Serguei Sviridov, Greg Chopiuk