Historical clue formulations

• Fabric debuted by DuPont in the 1940s — 2026-05-30
• Synthetic fabric once common in sweaters — 2025-09-22
• Synthetic fabric — 2023-08-30
• DuPont fiber — 2018-05-07
• Drip-dry fabric — 2018-02-26
• DuPont creation of 1941 — 2016-02-21
• DuPont acrylic fiber — 2015-10-05
• Fabric once described as "comfort in action" — 2015-01-20
• Cashmere alternative — 2014-04-15
• DuPont trademark of 1941 — 2014-04-06
• First acrylic fiber — 2013-08-25
• Synthetic fiber — 2013-07-07
• Leisure suit fabric — 2012-11-11
• Woollike acrylic fiber — 2011-12-23
• 1950s sweater material — 2011-04-23
• DuPont discontinued it in 1990 — 2010-02-26
• Acrylic fiber — 2010-01-28
• Fabric introduced by DuPont — 2009-08-31
• Knitwear material — 2009-06-26
• Knee sock material — 2008-05-25
• Sock material — 2008-02-13
• DuPont fiber — 2006-12-06
• Acrylic fiber — 2006-09-07
• Synthetic fiber — 2006-08-21
• Acrylic fiber — 2006-08-14
• Synthetic fiber — 2004-10-18
• Dupont's "Fiber A" — 2003-09-25
• Pullover material — 2003-01-25
• Synthetic fiber — 2002-11-18
• Sweater material — 2002-09-17
• Wrinkle-resistant fabric — 2002-06-23
• Acrylic fiber — 2002-02-15
• Synthetic fabric — 2002-01-28
• Fabric that travels well — 2001-11-13
• Acrylic fiber — 2001-11-10
• Wrinkle-resistant fabric — 2001-10-15
• Acrylic fiber — 2001-08-20
• Synthetic fabric — 2000-12-04
• Fiber that travels well — 1999-10-24
• Wrinkle-resistant fabric — 1999-09-08
• Wrinkle-resistant fabric — 1999-04-05
• Wrinkle-resistant fabric — 1998-01-22
• Wrinkle-resistant fabric — 1997-08-03
• Acrylic fiber — 1997-01-29
• Wrinkle-resistant fabric — 1996-05-01
• Leisure suit material — 1995-12-11
• Acrylic fiber — 1995-10-12
• Sweater fabric — 1995-03-22
• Acrylic fiber — 1994-12-01