The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2013
Filed:
Feb. 03, 2012
Sibabrata Mukhopadhyay, Kolkata, IN;
Mumu Chakraborty, Kolkata, IN;
Tulika Mukherjee, Kolkata, IN;
Arun Bandyopadhyay, Kolkata, IN;
Dipak Kar, Kolkata, IN;
Tanima Banerjee, Kolkata, IN;
Aditya Konar, Kolkata, IN;
Debaprasad Jana, Kolkata, IN;
Siddhartha Roy, Kolkata, IN;
Santu Bandyopadhyay, Kolkata, IN;
Balram Ghosh, Delhi, IN;
Mabalirajan Ulaganathan, Delhi, IN;
Rakesh Kamal Johri, Jammu, IN;
Subhash Chander Sharma, Jammu, IN;
Gurdarshan Singh, Jammu, IN;
Bholanath Paul, Lucknow, IN;
Vasanta Madhava Sharma Gangavaram, Hyderabad, IN;
Jhillu Singh Yadav, Hyderabad, IN;
Radha Krishna Palakodety, Hyderabad, IN;
Sibabrata Mukhopadhyay, Kolkata, IN;
Mumu Chakraborty, Kolkata, IN;
Tulika Mukherjee, Kolkata, IN;
Arun Bandyopadhyay, Kolkata, IN;
Dipak Kar, Kolkata, IN;
Tanima Banerjee, Kolkata, IN;
Aditya Konar, Kolkata, IN;
Debaprasad Jana, Kolkata, IN;
Siddhartha Roy, Kolkata, IN;
Santu Bandyopadhyay, Kolkata, IN;
Balram Ghosh, Delhi, IN;
Mabalirajan Ulaganathan, Delhi, IN;
Rakesh Kamal Johri, Jammu, IN;
Subhash Chander Sharma, Jammu, IN;
Gurdarshan Singh, Jammu, IN;
Bholanath Paul, Lucknow, IN;
Vasanta Madhava Sharma Gangavaram, Hyderabad, IN;
Jhillu Singh Yadav, Hyderabad, IN;
Radha Krishna Palakodety, Hyderabad, IN;
Council of Scientific & Industrial Research, New Delhi, IN;
Abstract
The present invention relates to a method for the treatment of bronchial asthma and chronic obstructive pulmonary disease (COPD) comprising administering to the patient suffering from asthma and COPD an effective dose of carbazole derivatives or salt thereof, optionally along with pharmaceutically acceptable excipients. Structural formula of the compounds of general formula 1 useful as phosphodiesterase-4 (PDE-4) enzyme inhibitors, inhibitor for signalling molecule for the treatment of asthma and asthma related diseases is given below: Herbal route for the isolation of compound of general formula 1 from the bark of plantand chemical route for the preparation of such compounds from basic compounds such as vanillin is also reported.