Patent search ap:("M & T CHEMICALS INC") AND inv:"RINGWOOD JR ROBERT C" Page 1

1.

发明授权
Method for preparing low density polyurethane foams in the presence of methylene chloride 失效
Title translation: 在甲基氯化物存在下制备低密度聚氨酯泡沫的方法

公开(公告)号：US3876567A

公开(公告)日：1975-04-08

申请号：US37041173

申请日：1973-06-15

Applicant: M & T CHEMICALS INC

Inventor： LARKIN WILLIAM A , RINGWOOD JR ROBERT C , TREADWELL KENNETH

IPC: C08G18/00 , C08G18/16 , C08G18/18 , C08G18/22 , C08J9/14 , C08G22/44

CPC classification number: C08J9/145 , C08G18/16 , C08G18/168 , C08G18/225 , C08G18/227 , C08J2375/04

Abstract: This invention relates to a process for preparing low density polyurethane foams using relatively large amounts of methylene chloride as the foaming agent in the presence of a stannous carboxylate as the gel catalyst and a foaming catalyst comprising an antimony compound, a base, and a nitrogen-containing organic compound.

2.

发明授权
Novel process and product 失效
Title translation: 新颖的工艺和产品

公开(公告)号：US3910858A

公开(公告)日：1975-10-07

申请号：US48113274

申请日：1974-06-20

Applicant: M & T CHEMICALS INC

Inventor： LARKIN WILLIAM A , RINGWOOD JR ROBERT C , TREADWELL KENNETH

IPC: C08J9/00 , H01B3/30 , C08K3/26 , C08K5/59 , C08L27/06

CPC classification number: C08J9/0095 , C08J2375/00 , C08J2375/08 , H01B3/302

Abstract: Structural discontinuities, commonly referred to as splits and voids, which are prevalent in flexible and semiflexible polyurethane foams that have been rendered flame resistant using halogen-containing polymers in combination with antimony oxide are eliminated by the use of barium carbonate.

Abstract translation: 通过使用碳酸钡，可以消除使用含卤素聚合物与氧化锑组合使用的具有阻燃性的柔性和半柔性聚氨酯泡沫塑料中普遍存在的结构不连续性（通常称为裂缝和空隙）。

3.

发明授权
Stabilization of vinyl chloride polymers with mixtures of organotin mercaptides and mercaptoesters 失效
Title translation: 用有机锡硫醇盐和巯基酯的混合物稳定氯乙烯聚合物

公开(公告)号：US3909492A

公开(公告)日：1975-09-30

申请号：US52632174

申请日：1974-11-22

Applicant: M & T CHEMICALS INC

Inventor： LARKIN WILLIAM A , RINGWOOD JR ROBERT C

IPC: C08K5/58 , C08G6/00

CPC classification number: C08K5/58 , C08L27/04 , C08L27/08 , C08L27/06

Abstract: Vinyl chloride polymers are stabilized against the deteriorative effect of heat using a primary stabilizer selected from the group consisting of butyltin-S,S'', S''''-tris(isooctylmercaptoacetate) and butyltin tris(lauryl mercaptide); and an auxiliary stabilizer selected from the group consisting of tributyltin-Sisooctylmercaptoacetate, triphenyltin lauryl mercaptide and triphenyltin thiophenate.

Abstract translation: 使用选自丁基锡-S，S'，S“ - 三（异辛基巯基乙酸酯）和丁基三（十二烷基硫醇）酯的主要稳定剂，氯乙烯聚合物抗热劣化效果得到稳定。和选自三丁基锡-S-异辛基巯基乙酸酯，三苯基锡月桂基硫醇盐和三苯基锡噻吩盐的辅助稳定剂。

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