Inventor

Glen T. Cunkle

Inventor

Stamford, CT, US

Overview

31→

Patents

1989–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 31 as inventor

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

C07Dprimary

C07DHeterocyclic compounds19%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%

C07CAcyclic or carbocyclic compounds11%

D21HPulp compositions8%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

C08LCompositions of macromolecular compounds4%

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials4%

C04BLime, magnesia3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C10MLubricating compositions3%

PatentTitleYear

10,098,830Oral care compositions2018 10,092,500Oral care compositions2018 7,776,182'Chlorohydrin and cationic compounds having high affinity for pulp or paper'2010 7,312,332'Chlorohydrin and cationic compounds having high affinity for pulp or paper'2007 6,989,449'Chlorohydrin and cationic compounds having high affinity for pulp or paper'2006 6,653,324'Stabilization of wood substrates'2003 6,599,326'Inhibition of pulp and paper yellowing using hydroxylamines and other coadditives'2003 6,500,303'Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives'2002 6,447,644'Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives'2002 6,416,627'Polymeric stabilizers with high affinity to pulp'2002 6,254,724'Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives'2001 6,218,536'1,2-bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions'2001 6,211,378'Process for the synthesis of 4-substituted N-[(alk-2-en-1-yl)oxy]-and N-aralkyloxy-2,2,6,6-tetraalkylpiperidines'2001 6,117,276'Inhibiting polymerization of vinyl aromatic monomers'2000 6,080,864'Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine'2000 5,932,735'Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers'1999 5,928,558'Derivatives of 1-oxyl-4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers'1999 5,877,344'Polymerization inhibition of acrylates using blends of nitroxides'1999 5,844,025'1,2-Bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions'1998 5,492,954'Substituted 1,4-diamino-2-butene stabilizers and stabilized compositions'1996 5,391,808'Substituted 1,4-diamino-2-butene stabilizers'1995 5,371,125'Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions'1994 5,290,940'2,6-diarylpiperidin-1-yl substituted 2-butene stabilizers'1994 5,283,367'Substituted 1,4-diamino-2-butene stabilizers'1994 5,262,538'Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions'1993 5,235,056'Substituted 1-hydroxy-2,6-diaryl-4-piperidone ketals and polymer compositions stabilized therewith'1993 5,204,474'2,6-diarylpiperidin-1-yl substituted 2-butene stabilizers'1993 5,180,829'Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions'1993 5,147,911'Compositions stabilized with poly-1,3,2-oxazaphospholidines'1992 5,075,481'Poly-1,3,2-oxazaphospholidine stabilizers'1991 4,878,968'Oxidizing salts of cubyl amines'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in Wilmington, DE, US· patent location history

1991–1996Patents assigned to CIBA GEIGY CORP (11)· patent assignee history

1991–2018Based in Stamford, CT, US· patent location history

1998–2010Patents assigned to CIBA SC HOLDING AG (15)· patent assignee history

2000Patents assigned to NALCO EXXON ENERGY CHEM LP (1)· patent assignee history

2001Patents assigned to CIBA SPECIALTY CHEMCIALS CORP (1)· patent assignee history

2018Patents assigned to BASF SE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIBA SC HOLDING AG	15	1998–2010
CIBA GEIGY CORP	11	1991–1996
BASF SE	2	2018
CIBA SPECIALTY CHEMCIALS CORP	1	2001
NALCO EXXON ENERGY CHEM LP	1	2000

Locations

Location	Patents	Span
Stamford, CT, US	30	1991–2018
Wilmington, Delaware, US	1	1989