John Kwok — 19 Patents at Polytec Gmbh

John Kwok has been granted 19 US patents while listed as an inventor at Polytec Gmbh. The first was granted in 1980 and the most recent in October 2012. John Kwok ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list John Kwok in Sarnia, ON, CA.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8297491	Packaging container and blank	John Charles Punter	2012-10-30
7879436	Packaging product	John Charles Punter	2011-02-01
7294676	Styrenic resin composition and articles produced therefrom	Richard Cooper, Steven M. Krupinski	2007-11-13	$8,025,000
7252866	Thermoplastic film for a disposable container made of expandable thermoplastic particles	Jiansheng Tang, Jeffory E. Russell, David A. Cowan, Michael T. Williams, Dennis H. Piispanen	2007-08-07	$16,764,000
7223460	Rubber modified styrenic copolymers and their use in disposable card applications	Richard Delaney, Michael Desmarais, Richard Desmarais	2007-05-29	$18,286,000
7135234	Multilayer coextrusions	Karen D. Donnelly, Robert D. Roberts, Chris K. Hung, Trevor Dean Pacholok	2006-11-14
5441805	Soluble laminates	—	1995-08-15
5357034	Lactide polymerization	Israel D. Fridman, Ronald J. Downey, Speros P. Nemphos	1994-10-18
5336719	Transparent toughened plastics	Ronald J. Thompson, James Lunt, John C. Lamont	1994-08-09
5264592	Lactide melt recrystallization	Israel D. Fridman	1993-11-23
5252664	Transparent toughened thermoplastics	Ronald J. Thompson, James Lunt, John C. Lamont	1993-10-12
5216036	Photodegradable expanded polymeric foam	Ervin R. Dun	1993-06-01	$14,966,000
5190984	Photodegradable expanded polymeric foam	Ervin Dan	1993-03-02	$15,198,000
5079296	Transparent toughened thermoplastics	Ronald J. Thompson, James Lunt, John C. Lamont	1992-01-07
4877832	Thermoset resin compositions	Adrian Cassola, Keith J. Robinson, Brian Smith, Michel Longuet	1989-10-31
4471082	Adhesives and uses thereof	Ivan Lee	1984-09-11
4374884	Pile carpet having a water activatable adhesive	Ivan Lee	1983-02-22
4215191	Light-sensitive vesicular recording materials and process of using	—	1980-07-29
T996002	Recording materials	—	1980-07-01

John Kwok — 19 Patents

Issued Patents All Time

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