Patents by Inventor Ashok Kumar Marwah

Ashok Kumar Marwah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6607000
    Abstract: A frilly dental floss formed of thin wide ribbon with frilly edge(s) or centrally located slits or the combination thereof, made from a strong, naturally waxy, polymer material preferably from a biodegradable, thin-gauged high-density polyethylene (HDPE) material.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: August 19, 2003
    Inventors: Padma Marwah, Ashok Kumar Marwah
  • Publication number: 20020078973
    Abstract: A frilly dental floss is a thin wide ribbon with frilly edge(s) or centrally located conical slits/holes or the combination thereof made from a strong, naturally waxy, polymer material preferably from a biodegradable, thin-gauged high-density polyethylene (HDPE) material. Frilly dental floss is simple of construction, economical, and has an excellent cleaning capability in dislodging fiber, food particle etc. from narrow as well as large inter-dental spaces due to its specially designed frilly edges and centrally located slits.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventors: Padma Marwah, Ashok Kumar Marwah
  • Patent number: 6274746
    Abstract: The present invention is directed to a process for effecting the allylic oxidation of an allylic compound having at least two allylic hydrogen atoms on the same carbon atom into corresponding &agr;,&bgr;-unsaturated carbonyl compound, using a combination of a metal hypochlorite and an alkyl hydroperoxide in a mixture of suitable conventional organic solvent(s) and/or water at a temperature of between about −5° C. to +25° C.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: August 14, 2001
    Inventors: Padma Marwah, Henry A. Lardy, Ashok Kumar Marwah
  • Patent number: 6170438
    Abstract: A pet bathrobe for completely enclosing animal and made of one or more layers of water absorbent material. The bathrobe comprises a rectangular bag having four sides with small openings at both lower corners and an opening extending across entire longitudinal length of the upper side with one end extending into a cap like hood and other end having a small opening. The top opening can be closed with the help of a closure mechanism. The bathrobe may be covered with an optional detachable outer layer made of water impervious material and has a mechanism to hold bathrobe around animal's neck.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: January 9, 2001
    Inventors: Padma Marwah, Ashok Kumar Marwah