LIFELINES TECHNOLOGY, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4812053 Activatable time-temperature indicatorExpiredAug 07, 87Mar 14, 89[G01K]
4735745 Defrost indicatorExpiredMay 03, 82Apr 05, 88[G01N, G01D]
4646674 Indicator device using metal salts of polyacetylenic compoundsExpiredJan 13, 84Mar 03, 87[G01K, G01N, G01D]
4452995 Dialkoxycarbonylmethyleneurethane diynesExpiredApr 02, 82Jun 05, 84[C07C]
4439346 Polydiacetylene gelsExpiredAug 30, 78Mar 27, 84[C09K]
4389217 Integrated time-temperature or radiation-dosage history recording deviceExpiredNov 24, 80Jun 21, 83[G01K, G01N, G01T]
4384980 Co-crystallized acetylenic compoundsExpiredNov 13, 78May 24, 83[C09K]
4373032 Metal salts of polyacetylenic compounds and uses thereof as ion exchange and thermochromic polymersExpiredJun 16, 80Feb 08, 83[C08F, B01J]
4339240 Color changing polyacetylenic compoundsExpiredMay 07, 80Jul 13, 82[G01N]
4328259 Process of printing by impact and for marking areas where impact or pressure is appliedExpiredOct 27, 80May 04, 82[B05D]
4298348 Time-temperature indicator compositionExpiredMar 03, 80Nov 03, 81[G01N]
4278561 Fluorinated benzenesulfonate diacetylenesExpiredSep 13, 78Jul 14, 81[C09K]
4276190 Process for monitoring time-temperature histories of perishables utilizing inactive form of diacetyleneExpiredJul 26, 79Jun 30, 81[C09K]
4238352 Co-polymerized acetylenic compositionsExpiredNov 13, 78Dec 09, 80[C09K]
4235108 Device for measuring temperature using co-crystallized acetylenic compositionsExpiredNov 13, 78Nov 25, 80[G01K]
4228126 Diacetylene time-temperature indicatorsExpiredNov 25, 77Oct 14, 80[G01N]
4215208 Thermochromic polyacetylenes containing urethane groupsExpiredOct 05, 77Jul 29, 80[C08L]
4208186 Process for monitoring time-temperature histories of perishables utilizing inactive form of diacetyleneExpiredAug 30, 78Jun 17, 80[G01N]
4195055 Vapor-phase moving-boundary indicatorExpiredJun 01, 78Mar 25, 80[G01N]
4195056 Vapor permeation time-temperature indicatorExpiredJun 01, 78Mar 25, 80[G01N]

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