IP Library Granted Patent US 12,662,574
Granted Patent B2
US 12,662,574 · App. 18/190,850 · Granted Jun 23, 2026

Monomers for non-isocyanate polyurethanes

Inventors: Tao Dong (Lakewood, CO); Cheng Zhang (Golden, CO)
Assignee: Alliance for Energy Innovation, LLC
C08G71/04C07D317/38C07D407/14C08G64/0208
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,662,574
App. No.
18/190,850
Filed
Mar 27, 2023
Granted
Jun 23, 2026
Kind
B2
Examiner
STRAH, ELI D
Art Unit
1782
USPC
525/410
Abstract

The present disclosure relates to a composition that includes a structure as defined by where includes a covalent bond, n is between 0 and 20, inclusively, and m is between 0 and 20, inclusively.

Claims (37)

1 . A composition comprising

wherein:

n is between 0 and 20, inclusively,

m is between 0 and 20, inclusively,

R comprises at least one of carbon, hydrogen, or oxygen, and

R 1 comprises at least one of carbon, hydrogen, or oxygen.

2 . The composition of claim 1 , comprising

wherein:

R 2 comprises at least one of carbon, hydrogen, or oxygen, and

R 3 comprises at least one of carbon, hydrogen, or oxygen.

3 . A composition comprising:

wherein:

R comprises

c is between 0 and 500, inclusively, and

R′ is a straight hydrocarbon chain having between 1 and 18 carbon atoms, inclusively.

4 . A composition comprising

wherein R comprises

5 . A composition comprising:

wherein:

n is between 0 and 20, inclusively,

m is between 0 and 20, inclusively,

v is between 0 and 10, inclusively,

w is between 0 and 3, inclusively, and

z is between 0 and 3, inclusively.

6 . The composition of claim 5 comprising at least one of

7 . A composition comprising

wherein

n is between 0 and 20, inclusively,

m is between 0 and 20, inclusively, and

R 1 comprises carbon and hydrogen.

8 . The composition of claim 7 , comprising

9 . A composition comprising at least one of

wherein:

n is between 0 and 20, inclusively,

m is between 0 and 20, inclusively,

a is between 0 and 20, inclusively, and

b is between 0 and 20, inclusively.

Assignments (3)
CHANGE OF NAME Recorded Dec 16, 2025
From: ALLIANCE FOR SUSTAINABLE ENERGY, LLC
To: ALLIANCE FOR ENERGY INNOVATION, LLC
Reel/Frame 073993/0276 →
CONFIRMATORY LICENSE Recorded Aug 14, 2023
From: NATIONAL RENEWABLE ENERGY LABORATORY
To: UNITED STATES DEPARTMENT OF ENERGY
Reel/Frame 064577/0867 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2023
From: DONG, TAO; ZHANG, CHENG
To: ALLIANCE FOR SUSTAINABLE ENERGY, LLC
Reel/Frame 063151/0517 →