P

Inventor

BRACK HANS PETER

CH39 patents
⚠️ This page may combine multiple inventors who share the name “BRACK HANS PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN ELECTRIC

15 patents
US6437083B1Aug 20, 2002

Process for preparing branched aromatic polycarbonates

GEN ELECTRIC246 citations98
US6504002B1Jan 7, 2003

Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst

GEN ELECTRIC148 citations97
US6747119B2Jun 8, 2004

Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate

GEN ELECTRIC53 citations96
US6710156B2Mar 23, 2004

Method for end-capping polycarbonate resins and composition for use in same

GEN ELECTRIC47 citations96
US6706846B2Mar 16, 2004

Method for end-capping polycarbonate resins and composition for use in same

GEN ELECTRIC63 citations96
US6500914B1Dec 31, 2002

Method for end-capping polycarbonate resins and composition for use in same

GEN ELECTRIC59 citations96
US6525163B1Feb 25, 2003

Process for the production of polycarbonate

GEN ELECTRIC53 citations94
US6486294B1Nov 26, 2002

Production of poly(carbonate-co-ester) copolymers

GEN ELECTRIC34 citations93
US6653434B2Nov 25, 2003

Process for the production of polycarbonate

GEN ELECTRIC48 citations92
US6590068B2Jul 8, 2003

Reduction of reaction by-products in polycarbonate resins

GEN ELECTRIC45 citations92
US6734277B2May 11, 2004

Method of enhancing pit replication in optical disks

GEN ELECTRIC47 citations91
US6620902B2Sep 16, 2003

Process for preparing polycarbonate and apparatus for preparing polycarbonate

GEN ELECTRIC8 citations72
US7235611B2Jun 26, 2007

Triazine compounds, polymers comprising triazine structural units, and method

GEN ELECTRIC4 citations63
US7259223B2Aug 21, 2007

Process for the production of polycarbonate

GEN ELECTRIC2 citations62
US7105626B2Sep 12, 2006

Method for incorporating alkyl ester endgroups to improve the release properties of melt polycarbonate

GEN ELECTRIC0 citations42

SABIC INNOVATIVE PLASTICS IP

14 patents
US7645851B2Jan 12, 2010

Polycarbonate with reduced color

SABIC INNOVATIVE PLASTICS IP9 citations82
US7619053B2Nov 17, 2009

Monomer solution for producing polycarbonate

SABIC INNOVATIVE PLASTICS IP11 citations81
US7671164B2Mar 2, 2010

Aliphatic polycarbonates, methods of making, and articles formed therefrom

SABIC INNOVATIVE PLASTICS IP9 citations80
US7547799B1Jun 16, 2009

Method for producing phenolic compound

SABIC INNOVATIVE PLASTICS IP12 citations79
US7671165B2Mar 2, 2010

Method of forming polycarbonate

SABIC INNOVATIVE PLASTICS IP12 citations77
US7759456B2Jul 20, 2010

Branched polycarbonate resins and processes to prepare the same

SABIC INNOVATIVE PLASTICS IP6 citations61
US7834125B2Nov 16, 2010

Polycarbonates, compositions made therefrom, methods of manufacture thereof, and articles therefrom

SABIC INNOVATIVE PLASTICS IP4 citations60
US7541420B2Jun 2, 2009

Method for making molded polycarbonate articles with improved color

SABIC INNOVATIVE PLASTICS IP4 citations60
US7977447B2Jul 12, 2011

Method for making carbonates and esters

SABIC INNOVATIVE PLASTICS IP0 citations50
US7674872B2Mar 9, 2010

Method of producing high molecular weight polymer

SABIC INNOVATIVE PLASTICS IP1 citations50
US7858728B2Dec 28, 2010

Polycarbonate resins method of manufacture, and articles formed therefrom

SABIC INNOVATIVE PLASTICS IP1 citations48
US7863404B2Jan 4, 2011

Method of making isosorbide polycarbonate

SABIC INNOVATIVE PLASTICS IP1 citations45
US7615605B2Nov 10, 2009

Monomer solution for producing polycarbonate

SABIC INNOVATIVE PLASTICS IP0 citations39
US7601794B2Oct 13, 2009

Monomer solution for producing polycarbonate

SABIC INNOVATIVE PLASTICS IP0 citations37

SULZER CHEMTECH AG

3 patents

BRACK HANS-PETER

2 patents

HUANG RUBIN

1 patent

SABIC INNOVATIVE PLATICS IP B

1 patent

BELFADHEL HATEM ABDALLAH

1 patent

KAMPS JAN HENK

1 patent

SULZER MANAGEMENT AG

1 patent