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1.Process for tanning leather with waterinsoluble condensation product of a phenol, formaldehyde, and carboxylic acid 失效
Title translation: 用苯酚,甲醛和羧酸的水不溶性缩合产物鞣皮革的方法公开(公告)号:US2955013A
公开(公告)日:1960-10-04
申请号:US75869258
申请日:1958-09-03
Applicant: BAYER AG
Inventor: MARTIN MEISTER , WOLFHARD LUCK , GUSTAV MAUTHE
IPC: C14C3/18
CPC classification number: C14C3/18
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公开(公告)号:US3101237A
公开(公告)日:1963-08-20
申请号:US9386361
申请日:1961-03-07
Applicant: BAYER AG
Inventor: WOLFHARD LUCK , GUSTAV MAUTHE
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3.Sulfited or aminomethane sulfonated water soluble dicyanodiamide-formaldehyde condensate with waste sulfite liquors or sulfonated aromatic-aldehyde condensate in leather plumping and product thereof 失效
Title translation: 亚硫酸盐或氨基甲烷磺化水溶性二氰二胺 - 甲醛缩合物与废亚硫酸盐液或磺化芳香醛缩合物在皮革中的浸膏及其制品公开(公告)号:US3266864A
公开(公告)日:1966-08-16
申请号:US17159562
申请日:1962-02-07
Applicant: BAYER AG
Inventor: BRUNO ZORN , GUSTAV MAUTHE , WOLFHARD LUCK
IPC: C14C9/00
CPC classification number: C14C9/00
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4.B-stage dicyandiamide-formaldehyde condensation product, process of preparing the same, and process of plumping tanned leather 失效
Title translation: B阶双氰胺 - 甲醛缩合产物,制备方法,以及鞣制皮革的工艺公开(公告)号:US3013908A
公开(公告)日:1961-12-19
申请号:US69804957
申请日:1957-11-22
Applicant: BAYER AG
Inventor: WOLFHARD LUCK , BRUNO ZORN , GUSTAV MAUTHE
CPC classification number: C14C9/00 , C08G12/16 , C14C11/003 , Y10T428/4935
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公开(公告)号:US3053697A
公开(公告)日:1962-09-11
申请号:US73441158
申请日:1958-05-12
Applicant: BAYER AG
Inventor: BRUNO ZORN , WOLFHARD LUCK , GUSTAV MAUTHE
IPC: C14C9/00
CPC classification number: C14C9/00 , Y10T428/4935
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6.Treating tanned leather with condensation product of polycyclic hydrocarbon, carboxylic acid, and oxo-compound 失效
Title translation: 用多环烃,羧酸和氧代化合物的缩合产物处理鞣革公开(公告)号:US3036877A
公开(公告)日:1962-05-29
申请号:US82542259
申请日:1959-07-07
Applicant: BAYER AG
Inventor: WOLFHARD LUCK , GUSTAV MAUTHE
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公开(公告)号:US3025260A
公开(公告)日:1962-03-13
申请号:US82540759
申请日:1959-07-07
Applicant: BAYER AG
Inventor: WOLFHARD LUCK , GUSTAV MAUTHE
CPC classification number: C08G16/0225 , C14C9/00
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