John Cheng — 7 Patents at Basf Se

John Cheng has been granted 7 US patents while listed as an inventor at Basf Se. The first was granted in 1984 and the most recent in February 2002. John Cheng ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John Cheng in Allentown, PA, US.

Patents per Year

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6348525	Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures	Koichi Takamura, Paul Velasco, Peter Blanpain, Heinz Plaumann, Richard Liu +2 more	2002-02-19	$313,000
6300392	Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures	Koichi Takamura, Paul Velasco, Peter Blanpain, Heinz Plaumann, Richard Liu +2 more	2001-10-09	$325,000
6127461	Co-Agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures	Koichi Takamura, Paul Velasco, Peter Blanpain, Heinz Plaumann, Richard Liu +2 more	2000-10-03	$296,000
5998514	Random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diolefin polymer modified asphalt mixtures	Heinz Plaumann, Koichi Takamura, Arthur Barry Baughman	1999-12-07
5990203	Method for improving the compatibility of random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diolefin polymer/asphalt mixtures	Heinz Plaumann, Koichi Takamura, Arthur Barry Baughmann, Wai-chun Richard Liu	1999-11-23
5693707	Liquid absorbent composition for nonwoven binder applications	Finn L. Marten, Joel E. Goldstein, Chung-Ling Mao	1997-12-02	$48,357,000
4451625	Reduction of wall fouling in the suspension polymerization of vinyl chloride homopolymer	Michael Langsam	1984-05-29	$1,759,000

John Cheng — 7 Patents

Patents per Year

Issued Patents All Time

Patent Widget