HK1000840A1 - Process for the production of polyurethane lens - Google Patents

Process for the production of polyurethane lens

Info

Publication number
HK1000840A1
HK1000840A1 HK97102397A HK97102397A HK1000840A1 HK 1000840 A1 HK1000840 A1 HK 1000840A1 HK 97102397 A HK97102397 A HK 97102397A HK 97102397 A HK97102397 A HK 97102397A HK 1000840 A1 HK1000840 A1 HK 1000840A1
Authority
HK
Hong Kong
Prior art keywords
production
polyurethane lens
polyurethane
lens
Prior art date
Application number
HK97102397A
Inventor
Masahisa Kosaka
Yukio Kageyama
Original Assignee
Hoya Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP5243077A external-priority patent/JP2695599B2/en
Application filed by Hoya Corp filed Critical Hoya Corp
Publication of HK1000840A1 publication Critical patent/HK1000840A1/en

Links

HK97102397A 1993-09-29 1997-12-12 Process for the production of polyurethane lens HK1000840A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5243077A JP2695599B2 (en) 1993-09-29 1993-09-29 Manufacturing method of polyurethane lens

Publications (1)

Publication Number Publication Date
HK1000840A1 true HK1000840A1 (en) 2002-07-05

Family

ID=17098445

Family Applications (3)

Application Number Title Priority Date Filing Date
HK97102397A HK1000840A1 (en) 1993-09-29 1997-12-12 Process for the production of polyurethane lens
HK97102396A HK1000839A1 (en) 1993-09-29 1997-12-12 Process for the production of polyurethane lens
HK98101888A HK1002735A1 (en) 1993-09-29 1998-03-09 Process for the reproduction of polyurethane lens

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK97102396A HK1000839A1 (en) 1993-09-29 1997-12-12 Process for the production of polyurethane lens
HK98101888A HK1002735A1 (en) 1993-09-29 1998-03-09 Process for the reproduction of polyurethane lens

Country Status (2)

Country Link
DE (2) DE69429674T2 (en)
HK (3) HK1000840A1 (en)

Also Published As

Publication number Publication date
HK1002735A1 (en) 1998-09-11
HK1000839A1 (en) 2002-07-12
DE69429674T2 (en) 2002-08-14
DE69429675T2 (en) 2002-08-22
DE69429675D1 (en) 2002-02-21
DE69429674D1 (en) 2002-02-21

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070929