logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11655309 B1

PDFFull Text
Date of Patent:
May. 23, 2023

Filed:

Nov. 09, 2017

Polymer-based resin compositions derived from cellulose and articles made using these compositions

Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Wenlai Feng, Johnson City, TN (US);

Haining An, Kingsport, TN (US);

Michael Eugene Donelson, Kingsport, TN (US);

Thomas Joseph Pecorini, Kingsport, TN (US);

Robert Ellis McCrary, Kingsport, TN (US);

Douglas Weldon Carico, Kingsport, TN (US);

Spencer Allen Gilliam, Gate City, VA (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:

Robert C. Morriss

Primary Examiner:

S Behrooz Ghorishi

Int. Cl.
CPC ...
C08B 3/16 (2006.01); C08K 5/1515 (2006.01); C08K 5/526 (2006.01); C08L 1/10 (2006.01); C08L 1/14 (2006.01); C08L 1/12 (2006.01); C08L 1/02 (2006.01); B29C 45/00 (2006.01); C08B 3/06 (2006.01); C08K 5/00 (2006.01); B29K 1/00 (2006.01); B29K 105/00 (2006.01); B29C 45/78 (2006.01);
U.S. Cl.
CPC ...
C08B 3/16 (2013.01); B29C 45/0001 (2013.01); C08B 3/06 (2013.01); C08K 5/1515 (2013.01); C08K 5/526 (2013.01); C08L 1/02 (2013.01); C08L 1/10 (2013.01); C08L 1/12 (2013.01); C08L 1/14 (2013.01); B29C 45/78 (2013.01); B29C 2945/76498 (2013.01); B29C 2945/76531 (2013.01); B29C 2945/76561 (2013.01); B29C 2945/76668 (2013.01); B29K 2001/12 (2013.01); B29K 2105/0038 (2013.01); B29K 2995/0017 (2013.01); B29K 2995/0056 (2013.01); C08K 5/0016 (2013.01); C08L 2205/02 (2013.01); C08L 2205/06 (2013.01);
Abstract

A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ΔE value of less than 25; or an L* color of at least 85.

Find Patent Forward Citations

Loading…