CPG HOLDINGS INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5560753 Coated abrasive article containing an electrically conductive backingJun 06, 95Oct 01, 96[B24B]
5328567 Process for making a paper based product containing a binderFeb 10, 92Jul 12, 94[D21H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5498314 Process for making a paper based product containing a binderExpiredAug 09, 93Mar 12, 96[D21H]
5466336 Process for making a paper based product employing a polymeric latex binderExpiredAug 09, 93Nov 14, 95[D21H]
5223095 High tear strength, high tensile strength paperExpiredJan 23, 91Jun 29, 93[D21H]
5028465 Hydroentangled composite filter elementExpiredMar 20, 89Jul 02, 91[B32B]
4948463 Magnetic barrier paperExpiredMar 10, 89Aug 14, 90[D21H]
4923646 Method and apparatus for the manufacture of fibridsExpiredNov 08, 88May 08, 90[B29B]
4917714 Filter element comprising glass fibersExpiredDec 08, 88Apr 17, 90[B01D]
4909901 EMI and RFI shielding and antistatic materials and processes for producing the sameExpiredSep 28, 87Mar 20, 90[D21H]
4809744 Uniform fluid distribution systemExpiredOct 08, 87Mar 07, 89[B05B]
4654980 Solvent removal using a condensable heat transfer vaporExpiredApr 11, 85Apr 07, 87[F26B]
4655939 Locomotive oil filterExpiredOct 09, 85Apr 07, 87[B01D]
4557800 Process of forming a porous cellulosic paper from a thermal treated cellulosic non-bonding pulpExpiredNov 20, 84Dec 10, 85[D21C]
4455195 Fibrous filter media and process for producing sameExpiredJan 05, 82Jun 19, 84[D21B, D21H]
4421794 Solvent removal via continuously superheated heat transfer mediumExpiredDec 18, 81Dec 20, 83[B05D]
4355081 Curing of resin impregnated cellulosics with continuously superheated steamExpiredMay 30, 80Oct 19, 82[B32B]

Top Inventors for This Owner

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