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CHANGSHA CIGARETTE FACTORY

Overview
  • Total Patents
    30
About

CHANGSHA CIGARETTE FACTORY has a total of 30 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets consumer goods, chemical engineering and packaging and shipping are CHINA TOBACCO HUNAN IND CORP, BYSOV VLADIMIR V and BLAGOVESHCHENSK SELSKOKHOZ I.

Patent filings in countries

World map showing CHANGSHA CIGARETTE FACTORYs patent filings in countries

Patent filings per year

Chart showing CHANGSHA CIGARETTE FACTORYs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Liu Jianfu 6
#2 Jianshan Fu 5
#3 Xinliang Tan 5
#4 Changjian Deng 5
#5 Dafeng Yin 4
#6 Ding Shichao 4
#7 Ren Jianxin 4
#8 Donghong Yin 4
#9 Du Wen 3
#10 Huawu Yang 3

Latest patents

Publication Filing date Title
CN1944389A Process for preparing 2E,4E,3,7,11-trimethyl-2,4,10-dodecatrienoic ester
CN1958550A Technique method for synthesizing 4 - Oxo - carboxylic acid, and 5 - Oxo - carboxylic acid
CN1923824A Use of hydroxyl cupric phosphate in synthesizing 5,6-epoxy-bata-ionone and method of synthesizing 5,6-epoxy-bata-ionone
CN1887844A Synthesis process of 4-oxo carboxylic acid or 5-oxo carboxylic acid
CN1865592A Method for preparing natural permeable color tipping paper and application method thereof
WO2007036092A1 Process and apparatus for adding tobacco powder to tobacco sheet produced by paper-making process
CN1739410A Tobacco bits pulping process for producing tobacco flake in method similar to papaermaking
CN1739411A Tobacco flake producing process similar to papermaking
CN1757334A Method for adding tobacco ash during paper-making method type prodn. of tobacco sheet
CN1739409A Tobacco stem pulping process for producing tobacco flake in method similar to papermaking
CN1861620A Process of synthesizing 2,3,4,6-tetraacyl pyrane glucose
CN1839715A Honey-comb coal heated air circulation dense tobacco flue-curing house
CN1795771A Fireproof self-extinguishing safe type cigarette and preparation method
CN1616726A Method for using poly ethylene glycol as spinning additive
CN1603313A Method for separation purification of polyhydroxy-alkyl-pyrazine from suger amine reaction liquid
CN1583257A Catalyst for removing formonitrile from cigarette smoke and its preparation and use
CN1582795A Polymer additive for cigarette filtering tips and its use
CN1561870A Method for using substituted malonic acid to release acid fragrance component of cigarette
CN1513386A Matter for lowering contents of tar and like harmful matter in smoke of cigarette
CN1513385A Chemical additive for lowering tar in cigarette