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4-Butylresorcinol, sometimes called 4-n-butylresorcinol, is a chemical used to treat hyperpigmentation of the epidermis. Hyperpigmentation is believed to be related ...
Clearblue home pregnancy test system 1985. Clearblue was introduced in 1985 with the launch of the first Clearblue Home Pregnancy Test system, which at the time was owned by Unilever. [4] It was the world’s first “rapid home test” that gave pregnancy test results in 30 minutes and allowed a woman to take a test before going to the doctor. [4]
In 1994, Unipath released its own range of vitamin supplements for both pregnant and breastfeeding women, released under the Clearblue brand in synergy with its successful pregnancy test kit. In 2007, Clearblue and other brands were folded into Swiss Precision Diagnostics (SPD) as a 50/50 joint venture between Alere and Procter & Gamble .
A systematic review published in 1998 showed that home pregnancy test kits, when used by experienced technicians, are almost as accurate as professional laboratory testing (97.4%). When used by consumers, however, the accuracy fell to 75%: the review authors noted that many users misunderstood or failed to follow the instructions included in ...
Resorcinol is mainly used in the production of resins. As a mixture with phenol, it condenses with formaldehyde to afford adhesives. Such resins are used as adhesives in the rubber industry and others are used for wood glue. [6] In relation to its conversion resins with formaldehyde, resorcinol is the starting material for resorcinarene rings.
The company was formed as a 50/50 joint venture (JV) between Alere (concerning the division Unipath, which had been acquired from Unilever) and P&G.It was formed on 17 May 2007. [1]