P

Inventor

KRISHNAN SIVARAM

US83 patents
⚠️ This page may combine multiple inventors who share the name “KRISHNAN SIVARAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

18 patents
US6166129ADec 26, 2000

Photochromic polyurethanes

BAYER AG47 citations96
US6107395AAug 22, 2000

Photochromic polyurethanes

BAYER AG68 citations96
US6065836AMay 23, 2000

Photochromic ophthalmic lens

BAYER AG67 citations96
US6367930B1Apr 9, 2002

Process for preparing a photochromic lens

BAYER AG99 citations92
US4552911ANov 12, 1985

Polycarbonate molding compositions having improved flame retardance

BAYER AG51 citations92
US5998520ADec 7, 1999

Photochromic compositions having improved fade rate

BAYER AG27 citations91
US6107375AAug 22, 2000

Hydrolysis-stable polycarbonate molding composition

BAYER AG31 citations90
US6069225AMay 30, 2000

Polycarbonate composition useful in optical storage applications

BAYER AG19 citations90
US6008280ADec 28, 1999

Polycarbonate compositions having good mold-release properties

BAYER AG20 citations89
US5508344AApr 16, 1996

Low temperature drying of impact modified polycarbonate/polyester compositions

BAYER AG20 citations88
US6180702B1Jan 30, 2001

Flame retardant polycarbonate composition

BAYER AG17 citations83
US4471104ASep 11, 1984

Process for the preparation of polycarbonates having sulfonanilide terminal groups

BAYER AG25 citations82
US6197854B1Mar 6, 2001

Polycarbonate composition resistant to gamma radiation

BAYER AG10 citations74
US6103777AAug 15, 2000

Thermoplastic composition suitable for optical applications having low haze values

BAYER AG14 citations74
US5596034AJan 21, 1997

Polycarbonate compositions having mold-release properties

BAYER AG8 citations74
US4503213AMar 5, 1985

Process for the preparation of polycarbonates having N-alkyl-perfluoroalkyl sulfonamide terminal groups

BAYER AG8 citations73
US6046301AApr 4, 2000

Polycarbonate compositions having reduced tendency to splay

BAYER AG8 citations70
US5681905AOct 28, 1997

Gamma radiation-resistant blend of polycarbonate with polyester

BAYER AG17 citations69

MOBAY CORP

16 patents

HITACHI LTD

6 patents

MILES INC

5 patents

MOBAY CHEMICAL CORP

4 patents

RENESAS TECH CORP

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.