[pure-silver] Re: AgfaPhoto Insolvency
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Sat, 28 May 2005 01:42:24 -0700
----- Original Message -----
From: "Ryuji Suzuki" <rs@xxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, May 27, 2005 11:17 PM
Subject: [pure-silver] Re: AgfaPhoto Insolvency
> From: Graham Hughes <graham@xxxxxxxxxxxx>
> Subject: [pure-silver] Re: AgfaPhoto Insolvency
> Date: Fri, 27 May 2005 14:34:11 -0700
>
>> This is a real pity, and means I should make contingency
>> plans for
>> the stuff they make that I use. I can use Ryuji's DS-14
>> and DS-15,
>> but I don't really know what's in Sistan. Does anyone on
>> the list
>> know how to make something like it?
>
> Sistan contains thiocyanate and surfactant, but even
> better product,
> Fujifilm Ag Guard is still available on market, and the
> active
> ingredients are disclosed in a publication in scientific
> journal, an
> expired US Patent, and an MSDS, so anyone can make a
> similar product
> in North America where Fuji does not trade their B&W
> chemicals. I've
> asked Photographer's Formulary whether they want to do and
> offered
> help as well.
Can you post the US patent number?
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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