Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US393656424 Jul 19743 Feb 1976Hodogaya Chemical Co., Ltd.
Fuji Photo Film Co., Ltd.
Pressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acid
US424325014 Jun 19796 Jan 1981Sterling Drug Inc.Carbonless duplicating systems
US42463189 Apr 197920 Jan 1981Appleton Papers Inc.Thermally-responsive record material
US427520616 Jan 198023 Jun 1981Appleton Papers Inc.Lactone compounds containing an indolizine radical
US42759055 Jun 197930 Jun 1981Appleton Papers Inc.Pressure-sensitive record material
US42994115 Jun 197910 Nov 1981Appleton Papers Inc.Pressure-sensitive record material
US456467916 Jun 198214 Jan 1986Yamada Chemical Co., Ltd.Chromogenic compounds
US474787526 Jun 198731 May 1988Yamada Chemical Co., Ltd.Chromogenic azaphthalide compound and a colour-forming recording composition containing the same
US504154722 Jun 199020 Aug 1991Appleton Papers Inc.Chromogenic substituted 4,7-diazaphthalides
US52200367 Dec 198915 Jun 1993Polaroid CorporationThiolactone dye precursors
US629450214 May 199925 Sep 2001Bayer AktiengesellschaftThermally-responsive record material
US693260222 Apr 200323 Aug 2005Appleton Papers Inc.Dental articulation kit and method
US710819028 Feb 200319 Sep 2006Appleton Papers Inc.Token array and method employing authentication tokens bearing scent formulation information
US809738914 Jul 200817 Jan 2012Fuji Xerox Co., Ltd.Color toner for flash fusing, method for producing the same, and electrostatic image developer, process cartridge, and image forming apparatus using the same