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Inventor

Ventzislav H. Kirov

Inventor
Lake Bluff, IL, US

Overview

7→
Patents
2010–2016
Patent span
Textiles
Primary field (CPC D)

Patents· 7 as inventor

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

D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials54%
D21BFibrous raw materials or their mechanical treatment15%
D21DTreatment of the materials before passing to the paper-making machine15%
D21HPulp compositions15%
PatentTitleYear
9,399,835'Method of manufacturing pulp for corrugated medium'20169,260,818'Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method'20169,194,080'Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method'20158,961,740'Method of manufacturing pulp for corrugated medium'20158,734,610'Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method'20147,943,008'Method of pre-treating woodchips prior to mechanical pulping'20117,771,565'Method of pre-treating woodchips prior to mechanical pulping'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2016Patents assigned to PACKAGING CORP AMERICA (4)· patent assignee history
2010–2016Based in Lake Bluff, IL, US· patent location history
2014–2016Patents assigned to ANDRITZ INC (3)· patent assignee history
2014–2016Patents assigned to SHIN NAMHEE (3)· patent assignee history
2014–2016Patents assigned to CANN WILLIAM J (2)· patent assignee history
2014–2015Patents assigned to KIROV VENTZISLAV H (2)· patent assignee history
2015–2016Based in Lake Forest, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PACKAGING CORP AMERICA42010–2016
ANDRITZ INC32014–2016
SHIN NAMHEE32014–2016
CANN WILLIAM J22014–2016
KIROV VENTZISLAV Hself22014–2015
Locations
LocationPatentsSpan
Lake Bluff, Illinois, US52010–2016
Lake Forest, Illinois, US22015–2016