公开(公告)号：US12214041B2

公开(公告)日：2025-02-04

申请号：US17275729

申请日：2019-09-16

Applicant: DSM IP Assets B.V.

Inventor： Jennifer Al-Rashid ,  Jacob Riffey ,  John Andrew Zupancich

IPC: A61K47/34 ,  A61K9/00 ,  A61K47/32 ,  C08G18/08 ,  C08G18/12 ,  C08G18/32 ,  C08G18/40 ,  C08G18/44 ,  C08G18/48 ,  C08G18/73 ,  C08G18/75

Abstract: In an embodiment, a polyurethane comprises the residues of i. an aliphatic diisocyanate, ii. an aliphatic diol comprising a poly(ethylene oxide) moiety, iii. an aliphatic diol comprising a polycarbonate moiety, and iv. a chain extender, wherein the polyurethane has a melting temperature of 140° C. or less and has a weight average molecular weight of from 100,000 to 500,000 g/mol. In an embodiment, the polyurethane is substantially devoid of catalyst. In an embodiment, the polyurethane is formed by reactive extrusion. In an embodiment, a medical device comprises the polyurethane and a bioactive agent. The medical devices, methods, and polyurethanes may exhibit benefits in end-product biostability, drug release profile, health and safety, and processing speed or reproducibility.

公开(公告)号：US12202973B1

公开(公告)日：2025-01-21

申请号：US18308212

申请日：2023-04-27

Applicant: DUPONT SPECIALTY ELECTRONIC MATERIALS US, LLC

Inventor： Kali Ananth Suryadevara ,  Steve Black ,  Dan Youmans ,  Kyoung Moo Koh ,  Mark Rickard

IPC: C08L75/06 ,  C08G18/08 ,  C08G18/42 ,  C08G101/00 ,  C08K5/521 ,  C08K7/14

Abstract: A faced polyisocyanurate foam board comprising a halogen-free foam made from a halogen-free foam formulation comprising isocyanate, polyol, and phosphorus-containing flame retardant, and 1.06 to 1.66 kg/m3 (30 to 47 g/ft3) of glass fiber distributed in the foam throughout the thickness of the board; wherein the polyisocyanurate foam board has a trimer content of 11 to 19.5 weight percent, at least 0.1 weight percent phosphorous, and as measured by ASTM E84, a Flame Spread Index of 0 to 25 and a maximum Smoke Development Index of 450 or less.

公开(公告)号：US20250018623A1

公开(公告)日：2025-01-16

申请号：US18351768

申请日：2023-07-13

Applicant: JUYOU (SHENZHEN) POLYMER NEW MATERIAL TECHNOLOGY CO., LTD

Inventor： SHAOJIE WANG ,  JIASHENG HUANG

IPC: B29C44/12 ,  C08G18/08

Abstract: A high-resilience PU spring sponge and a preparing method thereof are provided. The high-resilience PU spring sponge includes a sponge main body and high-strength springs. A top portion of the sponge main body defines a sponge top surface. First grooves are defined on the sponge top surface. A bottom portion of the sponge main body defines a sponge bottom surface. Second grooves are uniformly defined on the sponge bottom surface. The preparing method includes a mold preheating and mold pretreatment step, a material mixing pretreatment step, a slurry introducing step, a slurry foaming curing and demolding step, and a natural curing and finished product processing step. The second grooves are defined on the sponge main body after the sponge main body is cured and the second grooves are formed through the perforated columns. Each of the first grooves is communicated with a corresponding second groove.

公开(公告)号：US12195575B2

公开(公告)日：2025-01-14

申请号：US17625570

申请日：2020-07-15

Applicant: CHEMETALL GMBH

Inventor： Xueting Qiu ,  Stuart Schock

IPC: C08G18/10 ,  C08G18/08 ,  C08G18/24 ,  C08G18/28 ,  C08G18/32 ,  C08G18/34 ,  C08G18/79 ,  C09D5/08 ,  C09D175/08 ,  C09D175/12

Abstract: Described herein is a composition including at least one polyurethane polymer. Also described herein are a method of using the composition including at least one polyurethane polymer for metal pre-treatment and a process for metal pre-treatment.

公开(公告)号：US12178266B2

公开(公告)日：2024-12-31

申请号：US17787408

申请日：2020-12-21

Applicant: Design Blue Limited

Inventor： Adam Turvey ,  Richard Holman ,  Thomas Pearson

IPC: B29C43/18 ,  A41D19/015 ,  B29C43/00 ,  B32B5/02 ,  B32B27/12 ,  B32B27/40 ,  C08G18/08 ,  C08G18/10 ,  C08G18/16 ,  C08G18/20 ,  C08G18/22 ,  C08G18/32 ,  C08G18/48 ,  C08G18/76 ,  B29C43/56 ,  B29K75/00 ,  B29L31/48

Abstract: An impact resistant textile-supported garment, or component thereof, comprises a fabric layer, and (i) at least five non-interconnected impact resistant polyurethane segments upon an outer surface of the fabric layer, wherein at least two of the non-interconnected impact resistant polyurethane segments has a depth of at least 3 mm, preferably at least 4 mm, and wherein at least five of the plurality of non-interconnected segments have dimensions smaller than 1.75 cm×1 cm×1 cm; or (ii) at least one non-interconnected impact resistant polyurethane segment, wherein the at least one segment has a depth of at least 3 mm at its deepest part, and wherein the at least one segment is a hollow segment comprising one or more regions defined by an outer polyurethane perimeter, surrounding a region of fabric that is not covered by polyurethane.

公开(公告)号：US20240400759A1

公开(公告)日：2024-12-05

申请号：US18239409

申请日：2023-08-29

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY

Inventor： Jung Wook Lee ,  Jeong Seok Oh ,  Gyuri Kim ,  Seongrok Jeong ,  Sarbaranjan Paria

IPC: C08G65/46 ,  C08G18/08 ,  C08G18/20 ,  C08G18/66 ,  C08G18/72 ,  C08J9/12

Abstract: A method of preparing a bio-polyol using coffee by-products, a polyurethane resin composition containing the bio-polyol, and a method of preparing a polyurethane foam using the same are described. The method simplifies the complicated process of extracting polyols from coffee and thus extracts bio-polyols within a short time, thus being advantageous in terms of cost and time.

公开(公告)号：US12110373B2

公开(公告)日：2024-10-08

申请号：US17082143

申请日：2020-10-28

Applicant: SIKA TECHNOLOGY AG

Inventor： Craig Evans ,  Neil Carter ,  Ian Martin

IPC: B05D1/00 ,  C08G18/08 ,  C08G18/10 ,  C08J7/043 ,  C08J7/046 ,  C09D175/04 ,  C09D175/12

CPC classification number: C08J7/043 ,  B05D1/00 ,  C08G18/0847 ,  C08G18/10 ,  C08J7/046 ,  C09D175/04 ,  C09D175/12 ,  B05D2401/20 ,  B05D2503/00 ,  C08G18/12 ,  C08G18/3228

Abstract: Water-based polyurethane dispersion methodology relating to a chain-extended polyurethane, characterized in that the polyurethane dispersion includes 2, 5, 7, 10-tetraoxaundecane. The water-based polyurethane dispersion is suitable as a non-hazardous water-based coating composition for coatings with a particularly good adhesion on plastic or rubber substrates. The solvent 2, 5, 7, 10-tetraoxaundecane contained therein imparts good film coalescing, good adhesive properties and high strength of the polyurethane dispersion.

公开(公告)号：US20240325282A1

公开(公告)日：2024-10-03

申请号：US18377654

申请日：2023-10-06

Applicant: Living Proof, Inc.

Inventor： Soo-Young Kang ,  Zhaoxia Ji ,  Sara A. Turner ,  Ling-Fang Tseng ,  Dinara A. Villanueva ,  Eric G. Spengler

IPC: A61K8/87 ,  A45D7/06 ,  A61K8/36 ,  A61Q5/00 ,  A61Q5/04 ,  A61Q5/06 ,  C08G18/08 ,  C08G18/32 ,  C08G18/46 ,  C08G18/66 ,  C08G18/75

CPC classification number: A61K8/87 ,  A45D7/06 ,  A61K8/361 ,  A61Q5/00 ,  A61Q5/04 ,  A61Q5/06 ,  C08G18/0809 ,  C08G18/3206 ,  C08G18/3275 ,  C08G18/46 ,  C08G18/6655 ,  C08G18/755 ,  A61K2800/5426

Abstract: Provided herein are long lasting hair compositions, color enhancers, and markers for selecting the same.

公开(公告)号：US20240309162A1

公开(公告)日：2024-09-19

申请号：US18693252

申请日：2022-10-17

Applicant: BASF SE

Inventor： Tobias KALUSCHKE ,  Sebastian KOCH ,  Olaf JACOBMEIER

IPC: C08J9/00 ,  C08G18/08 ,  C08G18/16 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14

CPC classification number: C08J9/0038 ,  C08G18/14 ,  C08G18/161 ,  C08G18/4018 ,  C08G18/4213 ,  C08G18/4825 ,  C08G18/4837 ,  C08J9/0042 ,  C08J9/0061 ,  C08J9/08 ,  C08J9/141 ,  C08G2101/00 ,  C08G2110/0025 ,  C08G2330/00 ,  C08J2201/026 ,  C08J2203/02 ,  C08J2203/12 ,  C08J2203/14 ,  C08J2203/184 ,  C08J2205/10 ,  C08J2375/06

Abstract: The present invention relates to a process for producing rigid polyisocyanurate foams, wherein (A) polyisocyanates are mixed with (B) compounds having isocyanate-reactive hydrogen atoms, (C) flame retardants, (D) blowing agents, (E) catalyst at an isocyanate index of at least 220 to afford a reaction mixture and cured to afford the rigid polyisocyanurate foam, wherein the component (B) comprises at least one aromatic polyester polyol (b1) and at least one polyether polyol (b2), the polyester polyol (b1) has an average total functionality of ≤3.0 and ≥1.7 and the polyether polyol (b2) has a hydroxyl number of 160-350 mg KOH/g and is produced by alkoxylation of a starter or starter mixture having an average total functionality ≤3.5 and ≥1.5, wherein as the alkylene oxide for producing polyether polyol (b2) at least 80%by weight of ethylene oxide is employed and comprises at least 90% primary hydroxyl end groups and wherein the mass ratio of the component (b1) to component (b2) is ≤3 and ≥1 and the blowing agent (D) comprises chemical and physical blowing agents, wherein the chemical blowing agent is selected from the group consisting of formic acid-water mixtures and formic acid. The present invention further relates to a rigid polyisocyanurate foam obtainable by the process according to the invention.

公开(公告)号：US20240301122A1

公开(公告)日：2024-09-12

申请号：US18044460

申请日：2021-09-29

Applicant: Covestro Deutschland AG

Inventor： Hao LIU ,  Yaguang MA ,  Na XU ,  Tian XIA ,  Hans-Josef LAAS ,  Raul PIRES

IPC: C08G18/78 ,  C08G18/02 ,  C08G18/08

CPC classification number: C08G18/7887 ,  C08G18/022 ,  C08G18/0828 ,  C08G2150/00 ,  C08G2170/00

Abstract: The invention relates to a modified polyisocyanate and use thereof, especially as a crosslinking component in a water-soluble or water-dispersible coating composition. The modified polyisocyanate comprises iminooxadiazinedione structure and isocyanurate structure, wherein the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure is not less than 1: 5; and relative to the total weight of the modified polyisocyanate, the total amount of molecules with a number average molecular weight greater than 2700 g/mol in the modified polyisocyanate is 4.1% by weight to 22% by weight; and the modified polyisocyanate is obtainable by the reaction of: an aminosulfonic acid, a polyisocyanate; a tertiary amine; and optionally a polyether alcohol containing ethylene oxide groups.