Inventor

Shivanand Janardan Kulkarni

Inventor

Andhra Pradesh, IN

Overview

2002–2009

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds58%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry16%

C01BNon-metallic elements11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

7,491,828'Liquid phase process for the synthesis of annulated pyridines over molecular sieve catalysts'2009 6,897,320'Process for preparing 2,6-divinylpyridine and 2-methyl-6-vinylpyridine from 2,6-lutidine over modified zeolites'2005 6,800,272'Process for the preparation of ZSM-5 catalyst'2004 6,727,365'Process for the preparation of vinylpyridine from picoline over modified zeolites'2004 6,712,972'Method for the synthesis and evaluation of porphyrins, calix (4) pyrroles and allied macrocycles'2004 6,605,194'Substituted calix (4) pyrroles and process for the synthesis of calix (4) pyrroles over molecular sieve catalysts'2003 6,566,292'Process for the enhancement of the cycle life of a zinc-chromium based catalyst in the synthesis of 2-methylpyrazine'2003 6,528,647'Process for the synthesis of an aliphatic cyclic amine'2003 6,524,446'Process for synthesis of a porphyrin compound using a molecular sieve catalyst under microwave irradiation'2003 6,495,695'Process for the preparation of a collidine and 2,3,5,6-tetramethyl pyridine'2002 6,495,690'Process for the synthesis of an annulated pyridine base'2002 6,492,524'Process for the synthesis of an aryl pyridine base using a zeolite catalyst'2002 6,387,349'Process for the microwave induced preparation of crystalline microporous titanium silicalite'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2009Patents assigned to COUNCIL SCIENT IND RES (12)· patent assignee history

2002–2005Based in Andhra Pradesh, IN· patent location history

2002–2009Based in Hyderabad, IN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
COUNCIL SCIENT IND RES	12	2002–2009

Locations

Location	Patents	Span
Andhra Pradesh, IN	10	2002–2005
Hyderabad, IN	3	2002–2009