Patents by Inventor Ibrahim Ibnu Saud

Ibrahim Ibnu Saud 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).

Acyclic chiral compound from garcinia acid and process for preparing the same

Patent number: 6706899

Abstract: The present invention relates to a novel acyclic chiral compound of Garcinia acid of formula I, Wherein: R2=R5=lower aryl ester or alkyl ester or substituted aryl alcohol or alkyl alcohol R3=substituted aryl ester or alkyl ester or substituted aryl alcohol R1=R4=hydroxyl or And a process for preparing the same

Type: Grant

Filed: September 5, 2001

Date of Patent: March 16, 2004

Assignee: Department of Science and Technology, Technology Bhavan

Inventors: Ibrahim Ibnu Saud, Tom Thomas Puthiyaparampil
Chiral derivatives of Hibiscus acid bearing lactone ring moiety, process for preparing the same and a convenient method for the large-scale isolation of Hibiscus acid

Patent number: 6703515

Abstract: The present invention relates to a novel chiral compound of Hibiscus acid bearing lactone moiety of formula I, Wherein: R1═R2═alkali salt of carboxylic acid or acid chloride or lower esters or the N-substituted cyclic imides. R3═hydroxyl or protected hydroxyl group and a process for preparing the same.

Type: Grant

Filed: September 5, 2001

Date of Patent: March 9, 2004

Assignee: Department of Science and Technology, Technology Bhavan

Inventors: Ibrahim Ibnu Saud, Chitra Gopinath, Beena Thomas
Novel chiral derivatives of hibiscus acid bearing lactone ring moiety, process for preparing the same and a convenient method for the large-scale isolation of hibiscus acid

Publication number: 20030088110

Abstract: The present invention relates to a novel chiral compound of Hibiscus acid bearing lactone moiety of formula I, 1

Type: Application

Filed: September 5, 2001

Publication date: May 8, 2003

Inventors: Ibrahim Ibnu Saud, Chitra Gopinath, Beena Thomas
Chiral derivatives of Garcinia acid bearing lactone ring moiety and process for preparing the same

Patent number: 6489492

Abstract: The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, wherein: R1=R3=alkali salt of carboxyl acid, or acid chloride or lower esters or part of N-substituted cyclic imides. R2=hydroxyl or protected hydroxyl group and a process for preparing the same.

Type: Grant

Filed: September 5, 2001

Date of Patent: December 3, 2002

Assignee: Department of Science and Technology

Inventors: Ibrahim Ibnu Saud, Grace Thomas, Paleappadam Vavan Sasi
Acyclic chiral derivatives of hibiscus acid and the process of preparing the same

Patent number: 6489493

Abstract: The present invention relates to a novel acyclic chiral derivatives of Hibiscus acid of formula I, wherein: R1=R5=lower aryl or alkyl ester or substituted aryl or alkyl alcohol R3=substituted aryl or alkyl ester or substituted aryl alcohol R2=R4=hydroxyl or and a process for preparing the same.

Type: Grant

Filed: September 5, 2001

Date of Patent: December 3, 2002

Assignee: Department of Science and Technology, Technology Bhavan

Inventors: Ibrahim Ibnu Saud, Rani Rajasekharan Nair
Novel chiral derivatives of garcinia acid bearing lactone ring moiety and process for preparing the same

Publication number: 20020137950

Abstract: The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, 1

Type: Application

Filed: September 5, 2001

Publication date: September 26, 2002

Inventors: Ibrahim Ibnu Saud, Grace Thomas, Paleappadam Vavan Sasi
Novel acyclic chiral derivatives of hibiscus acid and the process of preparing the same

Publication number: 20020045769

Abstract: The present invention relates to a novel acyclic chiral derivatives of Hibiscus acid of formula I, 1

Type: Application

Filed: September 5, 2001

Publication date: April 18, 2002

Inventors: Ibrahim Ibnu Saud, Rani Rajasekharan Nair
Novel acyclic chiral compound from garcinia acid and process for preparing the same

Publication number: 20020042528

Abstract: The present invention relates to a novel acyclic chiral compound of Garcinia acid of formula I, 1

Type: Application

Filed: September 5, 2001

Publication date: April 11, 2002

Inventors: Ibrahim Ibnu Saud, Tom Thomas Puthiyaparampil